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If the drivers implement :c:member:`tty_port.ops.activate()` and :c:member:`tty_port.ops.shutdown()`, they can use tty_port_open(), tty_port_close(), and tty_port_hangup() in respective :c:member:`tty_struct.ops` hooks.”h]”(hŒiThe TTY drivers are advised to use struct tty_port helpers as much as possible. If the drivers implement ”…””}”(hjhžhhŸNh Nubh)”}”(hŒ#:c:member:`tty_port.ops.activate()`”h]”hŒliteral”“”)”}”(hjh]”hŒtty_port.ops.activate()”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”(Œxref”Œc”Œc-member”eh"]”h$]”h&]”uh1jhj ubah}”(h]”h ]”h"]”h$]”h&]”Œrefdoc”Œdriver-api/tty/tty_port”Œ refdomain”jŒreftype”Œmember”Œrefexplicit”‰Œrefwarn”‰Œ reftarget”Œtty_port.ops.activate()”uh1hhŸh³h K hjubhŒ and ”…””}”(hjhžhhŸNh Nubh)”}”(hŒ#:c:member:`tty_port.ops.shutdown()`”h]”j)”}”(hj5h]”hŒtty_port.ops.shutdown()”…””}”(hj7hžhhŸNh Nubah}”(h]”h ]”(jjŒc-member”eh"]”h$]”h&]”uh1jhj3ubah}”(h]”h ]”h"]”h$]”h&]”Œrefdoc”j'Œ refdomain”jŒreftype”Œmember”Œrefexplicit”‰Œrefwarn”‰j-Œtty_port.ops.shutdown()”uh1hhŸh³h K hjubhŒV, they can use tty_port_open(), tty_port_close(), and tty_port_hangup() in respective ”…””}”(hjhžhhŸNh Nubh)”}”(hŒ:c:member:`tty_struct.ops`”h]”j)”}”(hjXh]”hŒtty_struct.ops”…””}”(hjZhžhhŸNh Nubah}”(h]”h ]”(jjŒc-member”eh"]”h$]”h&]”uh1jhjVubah}”(h]”h ]”h"]”h$]”h&]”Œrefdoc”j'Œ refdomain”jŒreftype”Œmember”Œrefexplicit”‰Œrefwarn”‰j-Œtty_struct.ops”uh1hhŸh³h K hjubhŒ hooks.”…””}”(hjhžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸh³h K hh¶hžhubhÙ)”}”(hŒThe reference and details are contained in the `TTY Port Reference`_ and `TTY Port Operations Reference`_ sections at the bottom.”h]”(hŒ/The reference and details are contained in the ”…””}”(hjhžhhŸNh NubhÞ)”}”(hŒ`TTY Port Reference`_”h]”hŒTTY Port Reference”…””}”(hj‡hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”Œname”ŒTTY Port Reference”Œrefid”jÃuh1hÝhjŒresolved”KubhŒ and ”…””}”(hjhžhhŸNh NubhÞ)”}”(hŒ `TTY Port Operations Reference`_”h]”hŒTTY Port Operations Reference”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”Œname”ŒTTY Port Operations Reference”j—jåuh1hÝhjj˜KubhŒ sections at the bottom.”…””}”(hjhžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸh³h Khh¶hžhubhµ)”}”(hhh]”(hº)”}”(hŒTTY Port Functions”h]”hŒTTY Port Functions”…””}”(hjºhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”j—hèuh1h¹hj·hžhhŸh³h Kubhµ)”}”(hhh]”(hº)”}”(hŒInit & Destroy”h]”hŒInit & Destroy”…””}”(hjËhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”j—juh1h¹hjÈhžhhŸh³h KubhŒindex”“”)”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œentries”]”(Œsingle”Œtty_port_init (C function)”Œc.tty_port_init”hNt”auh1jÙhjÈhžhhŸNh NubhŒdesc”“”)”}”(hhh]”(hŒdesc_signature”“”)”}”(hŒ*void tty_port_init (struct tty_port *port)”h]”hŒdesc_signature_line”“”)”}”(hŒ)void tty_port_init(struct tty_port *port)”h]”(hŒdesc_sig_keyword_type”“”)”}”(hŒvoid”h]”hŒvoid”…””}”(hjýhžhhŸNh Nubah}”(h]”h ]”Œkt”ah"]”h$]”h&]”uh1jûhj÷hžhhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:24: ./drivers/tty/tty_port.c”h KZubhŒdesc_sig_space”“”)”}”(hŒ ”h]”hŒ ”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”Œw”ah"]”h$]”h&]”uh1j hj÷hžhhŸjh KZubhŒ desc_name”“”)”}”(hŒ tty_port_init”h]”hŒ desc_sig_name”“”)”}”(hŒ tty_port_init”h]”hŒ tty_port_init”…””}”(hj&hžhhŸNh Nubah}”(h]”h ]”Œn”ah"]”h$]”h&]”uh1j$hj ubah}”(h]”h ]”(Œsig-name”Œdescname”eh"]”h$]”h&]”h±h²uh1jhj÷hžhhŸjh KZubhŒdesc_parameterlist”“”)”}”(hŒ(struct tty_port *port)”h]”hŒdesc_parameter”“”)”}”(hŒstruct tty_port *port”h]”(hŒdesc_sig_keyword”“”)”}”(hŒstruct”h]”hŒstruct”…””}”(hjKhžhhŸNh Nubah}”(h]”h ]”Œk”ah"]”h$]”h&]”uh1jIhjEubj)”}”(hŒ ”h]”hŒ ”…””}”(hjZhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjEubh)”}”(hhh]”j%)”}”(hŒtty_port”h]”hŒtty_port”…””}”(hjkhžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjhubah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”jŒreftype”Œ identifier”Œ reftarget”jmŒmodname”NŒ classname”NŒc:parent_key”Œsphinx.domains.c”Œ LookupKey”“”)”}”Œdata”]”j†Œ ASTIdentifier”“”)”}”jj(sbŒc.tty_port_init”†”asbuh1hhjEubj)”}”(hŒ ”h]”hŒ ”…””}”(hj“hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjEubhŒdesc_sig_punctuation”“”)”}”(hŒ*”h]”hŒ*”…””}”(hj£hžhhŸNh Nubah}”(h]”h ]”Œp”ah"]”h$]”h&]”uh1j¡hjEubj%)”}”(hŒport”h]”hŒport”…””}”(hj²hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjEubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChj?ubah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j=hj÷hžhhŸjh KZubeh}”(h]”h ]”h"]”h$]”h&]”h±h²Œ add_permalink”ˆuh1jõŒsphinx_line_type”Œ declarator”hjñhžhhŸjh KZubah}”(h]”jèah ]”(Œsig”Œ sig-object”eh"]”h$]”h&]”Œis_multiline”ˆŒ _toc_parts”)Œ _toc_name”huh1jïhŸjh KZhjìhžhubhŒdesc_content”“”)”}”(hhh]”hÙ)”}”(hŒinitialize tty_port”h]”hŒinitialize tty_port”…””}”(hjæhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:24: ./drivers/tty/tty_port.c”h KRhjãhžhubah}”(h]”h ]”h"]”h$]”h&]”uh1jáhjìhžhhŸjh KZubeh}”(h]”h ]”(jŒfunction”eh"]”h$]”h&]”Œdomain”jŒobjtype”jþŒdesctype”jþŒnoindex”‰Œnoindexentry”‰Œnocontentsentry”‰uh1jêhžhhjÈhŸNh NubhŒ container”“”)”}”(hXU**Parameters** ``struct tty_port *port`` tty_port to initialize **Description** Initializes the state of struct tty_port. When a port was initialized using this function, one has to destroy the port by tty_port_destroy(). Either indirectly by using :c:type:`tty_port` refcounting (tty_port_put()) or directly if refcounting is not used.”h]”(hÙ)”}”(hŒ**Parameters**”h]”hŒstrong”“”)”}”(hjh]”hŒ Parameters”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:24: ./drivers/tty/tty_port.c”h KVhj ubhŒdefinition_list”“”)”}”(hhh]”hŒdefinition_list_item”“”)”}”(hŒ1``struct tty_port *port`` tty_port to initialize ”h]”(hŒterm”“”)”}”(hŒ``struct tty_port *port``”h]”j)”}”(hj7h]”hŒstruct tty_port *port”…””}”(hj9hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj5ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:24: ./drivers/tty/tty_port.c”h KShj/ubhŒ definition”“”)”}”(hhh]”hÙ)”}”(hŒtty_port to initialize”h]”hŒtty_port to initialize”…””}”(hjRhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸjLh KShjOubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhj/ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸjLh KShj*ubah}”(h]”h ]”h"]”h$]”h&]”uh1j(hj ubhÙ)”}”(hŒ**Description**”h]”j)”}”(hjth]”hŒDescription”…””}”(hjvhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjrubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:24: ./drivers/tty/tty_port.c”h KUhj ubhÙ)”}”(hXInitializes the state of struct tty_port. When a port was initialized using this function, one has to destroy the port by tty_port_destroy(). Either indirectly by using :c:type:`tty_port` refcounting (tty_port_put()) or directly if refcounting is not used.”h]”(hŒ©Initializes the state of struct tty_port. When a port was initialized using this function, one has to destroy the port by tty_port_destroy(). Either indirectly by using ”…””}”(hjŠhžhhŸNh Nubh)”}”(hŒ:c:type:`tty_port`”h]”j)”}”(hj”h]”hŒtty_port”…””}”(hj–hžhhŸNh Nubah}”(h]”h ]”(jjŒc-type”eh"]”h$]”h&]”uh1jhj’ubah}”(h]”h ]”h"]”h$]”h&]”Œrefdoc”j'Œ refdomain”jŒreftype”Œtype”Œrefexplicit”‰Œrefwarn”‰j…jˆ)”}”j‹]”sbj-Œtty_port”uh1hhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:24: ./drivers/tty/tty_port.c”h KUhjŠubhŒE refcounting (tty_port_put()) or directly if refcounting is not used.”…””}”(hjŠhžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸj´h KUhj ubeh}”(h]”h ]”Œkernelindent”ah"]”h$]”h&]”uh1jhjÈhžhhŸNh NubjÚ)”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œentries”]”(jæŒtty_port_destroy (C function)”Œc.tty_port_destroy”hNt”auh1jÙhjÈhžhhŸNh Nubjë)”}”(hhh]”(jð)”}”(hŒ-void tty_port_destroy (struct tty_port *port)”h]”jö)”}”(hŒ,void tty_port_destroy(struct tty_port *port)”h]”(jü)”}”(hŒvoid”h]”hŒvoid”…””}”(hjßhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1jûhjÛhžhhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:24: ./drivers/tty/tty_port.c”h Mubj)”}”(hŒ ”h]”hŒ ”…””}”(hjîhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjÛhžhhŸjíh Mubj)”}”(hŒtty_port_destroy”h]”j%)”}”(hŒtty_port_destroy”h]”hŒtty_port_destroy”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjüubah}”(h]”h ]”(j8j9eh"]”h$]”h&]”h±h²uh1jhjÛhžhhŸjíh Mubj>)”}”(hŒ(struct tty_port *port)”h]”jD)”}”(hŒstruct tty_port *port”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhjubj)”}”(hŒ ”h]”hŒ ”…””}”(hj)hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjubh)”}”(hhh]”j%)”}”(hŒtty_port”h]”hŒtty_port”…””}”(hj:hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj7ubah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”jŒreftype”jŒ reftarget”j<Œmodname”NŒ classname”Nj…jˆ)”}”j‹]”jŽ)”}”jjsbŒc.tty_port_destroy”†”asbuh1hhjubj)”}”(hŒ ”h]”hŒ ”…””}”(hjZhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjubj¢)”}”(hj¥h]”hŒ*”…””}”(hjhhžhhŸNh Nubah}”(h]”h ]”j®ah"]”h$]”h&]”uh1j¡hjubj%)”}”(hŒport”h]”hŒport”…””}”(hjuhžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChjubah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j=hjÛhžhhŸjíh Mubeh}”(h]”h ]”h"]”h$]”h&]”h±h²jÓˆuh1jõjÔjÕhj×hžhhŸjíh Mubah}”(h]”jÒah ]”(jÙjÚeh"]”h$]”h&]”jÞˆjß)jàhuh1jïhŸjíh MhjÔhžhubjâ)”}”(hhh]”hÙ)”}”(hŒdestroy inited port”h]”hŒdestroy inited port”…””}”(hjŸhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:24: ./drivers/tty/tty_port.c”h Mhjœhžhubah}”(h]”h ]”h"]”h$]”h&]”uh1jáhjÔhžhhŸjíh Mubeh}”(h]”h ]”(jŒfunction”eh"]”h$]”h&]”jjjj·jj·j‰j‰j‰uh1jêhžhhjÈhŸNh Nubj )”}”(hX***Parameters** ``struct tty_port *port`` tty port to be destroyed **Description** When a port was initialized using tty_port_init(), one has to destroy the port by this function. Either indirectly by using :c:type:`tty_port` refcounting (tty_port_put()) or directly if refcounting is not used.”h]”(hÙ)”}”(hŒ**Parameters**”h]”j)”}”(hjÁh]”hŒ Parameters”…””}”(hjÃhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj¿ubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:24: ./drivers/tty/tty_port.c”h Mhj»ubj))”}”(hhh]”j.)”}”(hŒ3``struct tty_port *port`` tty port to be destroyed ”h]”(j4)”}”(hŒ``struct tty_port *port``”h]”j)”}”(hjàh]”hŒstruct tty_port *port”…””}”(hjâhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjÞubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:24: ./drivers/tty/tty_port.c”h MhjÚubjN)”}”(hhh]”hÙ)”}”(hŒtty port to be destroyed”h]”hŒtty port to be destroyed”…””}”(hjùhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸjõh Mhjöubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhjÚubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸjõh Mhj×ubah}”(h]”h ]”h"]”h$]”h&]”uh1j(hj»ubhÙ)”}”(hŒ**Description**”h]”j)”}”(hjh]”hŒDescription”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:24: ./drivers/tty/tty_port.c”h Mhj»ubhÙ)”}”(hŒÓWhen a port was initialized using tty_port_init(), one has to destroy the port by this function. Either indirectly by using :c:type:`tty_port` refcounting (tty_port_put()) or directly if refcounting is not used.”h]”(hŒ|When a port was initialized using tty_port_init(), one has to destroy the port by this function. Either indirectly by using ”…””}”(hj1hžhhŸNh Nubh)”}”(hŒ:c:type:`tty_port`”h]”j)”}”(hj;h]”hŒtty_port”…””}”(hj=hžhhŸNh Nubah}”(h]”h ]”(jjŒc-type”eh"]”h$]”h&]”uh1jhj9ubah}”(h]”h ]”h"]”h$]”h&]”Œrefdoc”j'Œ refdomain”jŒreftype”Œtype”Œrefexplicit”‰Œrefwarn”‰j…j°j-Œtty_port”uh1hhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:24: ./drivers/tty/tty_port.c”h Mhj1ubhŒE refcounting (tty_port_put()) or directly if refcounting is not used.”…””}”(hj1hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸjXh Mhj»ubeh}”(h]”h ]”Œkernelindent”ah"]”h$]”h&]”uh1jhjÈhžhhŸNh NubjÚ)”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œentries”]”(jæŒtty_port_put (C function)”Œc.tty_port_put”hNt”auh1jÙhjÈhžhhŸNh Nubjë)”}”(hhh]”(jð)”}”(hŒ)void tty_port_put (struct tty_port *port)”h]”jö)”}”(hŒ(void tty_port_put(struct tty_port *port)”h]”(jü)”}”(hŒvoid”h]”hŒvoid”…””}”(hjƒhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1jûhjhžhhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:24: ./drivers/tty/tty_port.c”h M4ubj)”}”(hŒ ”h]”hŒ ”…””}”(hj’hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjhžhhŸj‘h M4ubj)”}”(hŒtty_port_put”h]”j%)”}”(hŒtty_port_put”h]”hŒtty_port_put”…””}”(hj¤hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj ubah}”(h]”h ]”(j8j9eh"]”h$]”h&]”h±h²uh1jhjhžhhŸj‘h M4ubj>)”}”(hŒ(struct tty_port *port)”h]”jD)”}”(hŒstruct tty_port *port”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hjÀhžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhj¼ubj)”}”(hŒ ”h]”hŒ ”…””}”(hjÍhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj¼ubh)”}”(hhh]”j%)”}”(hŒtty_port”h]”hŒtty_port”…””}”(hjÞhžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjÛubah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”jŒreftype”jŒ reftarget”jàŒmodname”NŒ classname”Nj…jˆ)”}”j‹]”jŽ)”}”jj¦sbŒc.tty_port_put”†”asbuh1hhj¼ubj)”}”(hŒ ”h]”hŒ ”…””}”(hjþhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj¼ubj¢)”}”(hj¥h]”hŒ*”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”j®ah"]”h$]”h&]”uh1j¡hj¼ubj%)”}”(hŒport”h]”hŒport”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj¼ubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChj¸ubah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j=hjhžhhŸj‘h M4ubeh}”(h]”h ]”h"]”h$]”h&]”h±h²jÓˆuh1jõjÔjÕhj{hžhhŸj‘h M4ubah}”(h]”jvah ]”(jÙjÚeh"]”h$]”h&]”jÞˆjß)jàhuh1jïhŸj‘h M4hjxhžhubjâ)”}”(hhh]”hÙ)”}”(hŒdrop a reference to tty_port”h]”hŒdrop a reference to tty_port”…””}”(hjChžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:24: ./drivers/tty/tty_port.c”h M.hj@hžhubah}”(h]”h ]”h"]”h$]”h&]”uh1jáhjxhžhhŸj‘h M4ubeh}”(h]”h ]”(jŒfunction”eh"]”h$]”h&]”jjjj[jj[j‰j‰j‰uh1jêhžhhjÈhŸNh Nubj )”}”(hŒå**Parameters** ``struct tty_port *port`` port to drop a reference of (can be NULL) **Description** The final put will destroy and free up the **port** using **port->ops->destruct** hook, or using kfree() if not provided.”h]”(hÙ)”}”(hŒ**Parameters**”h]”j)”}”(hjeh]”hŒ Parameters”…””}”(hjghžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjcubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:24: ./drivers/tty/tty_port.c”h M2hj_ubj))”}”(hhh]”j.)”}”(hŒD``struct tty_port *port`` port to drop a reference of (can be NULL) ”h]”(j4)”}”(hŒ``struct tty_port *port``”h]”j)”}”(hj„h]”hŒstruct tty_port *port”…””}”(hj†hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj‚ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:24: ./drivers/tty/tty_port.c”h M/hj~ubjN)”}”(hhh]”hÙ)”}”(hŒ)port to drop a reference of (can be NULL)”h]”hŒ)port to drop a reference of (can be NULL)”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸj™h M/hjšubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhj~ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj™h M/hj{ubah}”(h]”h ]”h"]”h$]”h&]”uh1j(hj_ubhÙ)”}”(hŒ**Description**”h]”j)”}”(hj¿h]”hŒDescription”…””}”(hjÁhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj½ubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:24: ./drivers/tty/tty_port.c”h M1hj_ubhÙ)”}”(hŒ}The final put will destroy and free up the **port** using **port->ops->destruct** hook, or using kfree() if not provided.”h]”(hŒ+The final put will destroy and free up the ”…””}”(hjÕhžhhŸNh Nubj)”}”(hŒ**port**”h]”hŒport”…””}”(hjÝhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjÕubhŒ using ”…””}”(hjÕhžhhŸNh Nubj)”}”(hŒ**port->ops->destruct**”h]”hŒport->ops->destruct()”…””}”(hjïhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjÕubhŒ( hook, or using kfree() if not provided.”…””}”(hjÕhžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:24: ./drivers/tty/tty_port.c”h M1hj_ubeh}”(h]”h ]”Œkernelindent”ah"]”h$]”h&]”uh1jhjÈhžhhŸNh Nubeh}”(h]”j ah ]”h"]”Œinit & destroy”ah$]”h&]”uh1h´hj·hžhhŸh³h Kubhµ)”}”(hhh]”(hº)”}”(hŒOpen/Close/Hangup Helpers”h]”hŒOpen/Close/Hangup Helpers”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”j—j)uh1h¹hjhžhhŸh³h KubjÚ)”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œentries”]”(jæŒtty_port_shutdown (C function)”Œc.tty_port_shutdown”hNt”auh1jÙhjhžhhŸNh Nubjë)”}”(hhh]”(jð)”}”(hŒFvoid tty_port_shutdown (struct tty_port *port, struct tty_struct *tty)”h]”jö)”}”(hŒEvoid tty_port_shutdown(struct tty_port *port, struct tty_struct *tty)”h]”(jü)”}”(hŒvoid”h]”hŒvoid”…””}”(hj@hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1jûhj<hžhhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h Mkubj)”}”(hŒ ”h]”hŒ ”…””}”(hjOhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj<hžhhŸjNh Mkubj)”}”(hŒtty_port_shutdown”h]”j%)”}”(hŒtty_port_shutdown”h]”hŒtty_port_shutdown”…””}”(hjahžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj]ubah}”(h]”h ]”(j8j9eh"]”h$]”h&]”h±h²uh1jhj<hžhhŸjNh Mkubj>)”}”(hŒ/(struct tty_port *port, struct tty_struct *tty)”h]”(jD)”}”(hŒstruct tty_port *port”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hj}hžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhjyubj)”}”(hŒ ”h]”hŒ ”…””}”(hjŠhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjyubh)”}”(hhh]”j%)”}”(hŒtty_port”h]”hŒtty_port”…””}”(hj›hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj˜ubah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”jŒreftype”jŒ reftarget”jŒmodname”NŒ classname”Nj…jˆ)”}”j‹]”jŽ)”}”jjcsbŒc.tty_port_shutdown”†”asbuh1hhjyubj)”}”(hŒ ”h]”hŒ ”…””}”(hj»hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjyubj¢)”}”(hj¥h]”hŒ*”…””}”(hjÉhžhhŸNh Nubah}”(h]”h ]”j®ah"]”h$]”h&]”uh1j¡hjyubj%)”}”(hŒport”h]”hŒport”…””}”(hjÖhžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjyubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChjuubjD)”}”(hŒstruct tty_struct *tty”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hjïhžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhjëubj)”}”(hŒ ”h]”hŒ ”…””}”(hjühžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjëubh)”}”(hhh]”j%)”}”(hŒ tty_struct”h]”hŒ tty_struct”…””}”(hj hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj ubah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”jŒreftype”jŒ reftarget”j Œmodname”NŒ classname”Nj…jˆ)”}”j‹]”j·Œc.tty_port_shutdown”†”asbuh1hhjëubj)”}”(hŒ ”h]”hŒ ”…””}”(hj+ hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjëubj¢)”}”(hj¥h]”hŒ*”…””}”(hj9 hžhhŸNh Nubah}”(h]”h ]”j®ah"]”h$]”h&]”uh1j¡hjëubj%)”}”(hŒtty”h]”hŒtty”…””}”(hjF hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjëubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChjuubeh}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j=hj<hžhhŸjNh Mkubeh}”(h]”h ]”h"]”h$]”h&]”h±h²jÓˆuh1jõjÔjÕhj8hžhhŸjNh Mkubah}”(h]”j3ah ]”(jÙjÚeh"]”h$]”h&]”jÞˆjß)jàhuh1jïhŸjNh Mkhj5hžhubjâ)”}”(hhh]”hÙ)”}”(hŒ&internal helper to shutdown the device”h]”hŒ&internal helper to shutdown the device”…””}”(hjp hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h Mbhjm hžhubah}”(h]”h ]”h"]”h$]”h&]”uh1jáhj5hžhhŸjNh Mkubeh}”(h]”h ]”(jŒfunction”eh"]”h$]”h&]”jjjjˆ jjˆ j‰j‰j‰uh1jêhžhhjhŸNh Nubj )”}”(hXp**Parameters** ``struct tty_port *port`` tty port to be shut down ``struct tty_struct *tty`` the associated tty **Description** It is used by tty_port_hangup() and tty_port_close(). Its task is to shutdown the device if it was initialized (note consoles remain functioning). It lowers DTR/RTS (if **tty** has HUPCL set) and invokes **port->ops->shutdown**.”h]”(hÙ)”}”(hŒ**Parameters**”h]”j)”}”(hj’ h]”hŒ Parameters”…””}”(hj” hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj ubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MfhjŒ ubj))”}”(hhh]”(j.)”}”(hŒ3``struct tty_port *port`` tty port to be shut down ”h]”(j4)”}”(hŒ``struct tty_port *port``”h]”j)”}”(hj± h]”hŒstruct tty_port *port”…””}”(hj³ hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj¯ ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h Mchj« ubjN)”}”(hhh]”hÙ)”}”(hŒtty port to be shut down”h]”hŒtty port to be shut down”…””}”(hjÊ hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸjÆ h MchjÇ ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhj« ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸjÆ h Mchj¨ ubj.)”}”(hŒ.``struct tty_struct *tty`` the associated tty ”h]”(j4)”}”(hŒ``struct tty_struct *tty``”h]”j)”}”(hjê h]”hŒstruct tty_struct *tty”…””}”(hjì hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjè ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h Mdhjä ubjN)”}”(hhh]”hÙ)”}”(hŒthe associated tty”h]”hŒthe associated tty”…””}”(hj hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸjÿ h Mdhj ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhjä ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸjÿ h Mdhj¨ ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j(hjŒ ubhÙ)”}”(hŒ**Description**”h]”j)”}”(hj% h]”hŒDescription”…””}”(hj' hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj# ubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MfhjŒ ubhÙ)”}”(hŒèIt is used by tty_port_hangup() and tty_port_close(). Its task is to shutdown the device if it was initialized (note consoles remain functioning). It lowers DTR/RTS (if **tty** has HUPCL set) and invokes **port->ops->shutdown**.”h]”(hŒ©It is used by tty_port_hangup() and tty_port_close(). Its task is to shutdown the device if it was initialized (note consoles remain functioning). It lowers DTR/RTS (if ”…””}”(hj; hžhhŸNh Nubj)”}”(hŒ**tty**”h]”hŒtty”…””}”(hjC hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj; ubhŒ has HUPCL set) and invokes ”…””}”(hj; hžhhŸNh Nubj)”}”(hŒ**port->ops->shutdown**”h]”hŒport->ops->shutdown()”…””}”(hjU hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj; ubhŒ.”…””}”(hj; hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MfhjŒ ubeh}”(h]”h ]”Œkernelindent”ah"]”h$]”h&]”uh1jhjhžhhŸNh NubjÚ)”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œentries”]”(jæŒtty_port_hangup (C function)”Œc.tty_port_hangup”hNt”auh1jÙhjhžhhŸNh Nubjë)”}”(hhh]”(jð)”}”(hŒ,void tty_port_hangup (struct tty_port *port)”h]”jö)”}”(hŒ+void tty_port_hangup(struct tty_port *port)”h]”(jü)”}”(hŒvoid”h]”hŒvoid”…””}”(hjŽ hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1jûhjŠ hžhhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MŠubj)”}”(hŒ ”h]”hŒ ”…””}”(hj hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjŠ hžhhŸjœ h MŠubj)”}”(hŒtty_port_hangup”h]”j%)”}”(hŒtty_port_hangup”h]”hŒtty_port_hangup”…””}”(hj¯ hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj« ubah}”(h]”h ]”(j8j9eh"]”h$]”h&]”h±h²uh1jhjŠ hžhhŸjœ h MŠubj>)”}”(hŒ(struct tty_port *port)”h]”jD)”}”(hŒstruct tty_port *port”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hjË hžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhjÇ ubj)”}”(hŒ ”h]”hŒ ”…””}”(hjØ hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjÇ ubh)”}”(hhh]”j%)”}”(hŒtty_port”h]”hŒtty_port”…””}”(hjé hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjæ ubah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”jŒreftype”jŒ reftarget”jë Œmodname”NŒ classname”Nj…jˆ)”}”j‹]”jŽ)”}”jj± sbŒc.tty_port_hangup”†”asbuh1hhjÇ ubj)”}”(hŒ ”h]”hŒ ”…””}”(hj hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjÇ ubj¢)”}”(hj¥h]”hŒ*”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”j®ah"]”h$]”h&]”uh1j¡hjÇ ubj%)”}”(hŒport”h]”hŒport”…””}”(hj$hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjÇ ubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChjÃ ubah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j=hjŠ hžhhŸjœ h MŠubeh}”(h]”h ]”h"]”h$]”h&]”h±h²jÓˆuh1jõjÔjÕhj† hžhhŸjœ h MŠubah}”(h]”j ah ]”(jÙjÚeh"]”h$]”h&]”jÞˆjß)jàhuh1jïhŸjœ h MŠhjƒ hžhubjâ)”}”(hhh]”hÙ)”}”(hŒ hangup helper”h]”hŒ hangup helper”…””}”(hjNhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h M‚hjKhžhubah}”(h]”h ]”h"]”h$]”h&]”uh1jáhjƒ hžhhŸjœ h MŠubeh}”(h]”h ]”(jŒfunction”eh"]”h$]”h&]”jjjjfjjfj‰j‰j‰uh1jêhžhhjhŸNh Nubj )”}”(hŒ¬**Parameters** ``struct tty_port *port`` tty port **Description** Perform port level tty hangup flag and count changes. Drop the tty reference. Caller holds tty lock.”h]”(hÙ)”}”(hŒ**Parameters**”h]”j)”}”(hjph]”hŒ Parameters”…””}”(hjrhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjnubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h M†hjjubj))”}”(hhh]”j.)”}”(hŒ#``struct tty_port *port`` tty port ”h]”(j4)”}”(hŒ``struct tty_port *port``”h]”j)”}”(hjh]”hŒstruct tty_port *port”…””}”(hj‘hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h Mƒhj‰ubjN)”}”(hhh]”hÙ)”}”(hŒtty port”h]”hŒtty port”…””}”(hj¨hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸj¤h Mƒhj¥ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhj‰ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj¤h Mƒhj†ubah}”(h]”h ]”h"]”h$]”h&]”uh1j(hjjubhÙ)”}”(hŒ**Description**”h]”j)”}”(hjÊh]”hŒDescription”…””}”(hjÌhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjÈubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h M…hjjubhÙ)”}”(hŒMPerform port level tty hangup flag and count changes. Drop the tty reference.”h]”hŒMPerform port level tty hangup flag and count changes. 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Handles: - hangup (both before and during) - non blocking open - rts/dtr/dcd - signals - port flags and counts The passed **port** must implement the **port->ops->carrier_raised** method if it can do carrier detect and the **port->ops->dtr_rts** method if it supports software management of these lines. Note that the dtr/rts raise is done each iteration as a hangup may have previously dropped them while we wait. Caller holds tty lock. **Note** May drop and reacquire tty lock when blocking, so **tty** and **port** may have changed state (eg., may have been hung up).”h]”(hÙ)”}”(hŒ**Parameters**”h]”j)”}”(hjà h]”hŒ Parameters”…””}”(hjâ hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjÞ ubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MêhjÚ ubj))”}”(hhh]”(j.)”}”(hŒ4``struct tty_port *port`` the tty port being opened ”h]”(j4)”}”(hŒ``struct tty_port *port``”h]”j)”}”(hjÿ h]”hŒstruct tty_port *port”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjý ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h Mçhjù ubjN)”}”(hhh]”hÙ)”}”(hŒthe tty port being opened”h]”hŒthe tty port being opened”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸjh Mçhjubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhjù ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸjh Mçhjö ubj.)”}”(hŒ6``struct tty_struct *tty`` the tty device being bound ”h]”(j4)”}”(hŒ``struct tty_struct *tty``”h]”j)”}”(hj8h]”hŒstruct tty_struct *tty”…””}”(hj:hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj6ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h Mèhj2ubjN)”}”(hhh]”hÙ)”}”(hŒthe tty device being bound”h]”hŒthe tty device being bound”…””}”(hjQhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸjMh MèhjNubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhj2ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸjMh Mèhjö ubj.)”}”(hŒA``struct file *filp`` the file pointer of the opener or ``NULL`` ”h]”(j4)”}”(hŒ``struct file *filp``”h]”j)”}”(hjqh]”hŒstruct file *filp”…””}”(hjshžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjoubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MéhjkubjN)”}”(hhh]”hÙ)”}”(hŒ*the file pointer of the opener or ``NULL``”h]”(hŒ"the file pointer of the opener or ”…””}”(hjŠhžhhŸNh Nubj)”}”(hŒ``NULL``”h]”hŒNULL”…””}”(hj’hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjŠubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸj†h Méhj‡ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhjkubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj†h Méhjö ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j(hjÚ ubhÙ)”}”(hŒ**Description**”h]”j)”}”(hjºh]”hŒDescription”…””}”(hj¼hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj¸ubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MëhjÚ ubhÙ)”}”(hŒNImplement the core POSIX/SuS tty behaviour when opening a tty device. Handles:”h]”hŒNImplement the core POSIX/SuS tty behaviour when opening a tty device. Handles:”…””}”(hjÐhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MëhjÚ ubhŒblock_quote”“”)”}”(hŒf- hangup (both before and during) - non blocking open - rts/dtr/dcd - signals - port flags and counts ”h]”hÏ)”}”(hhh]”(hÔ)”}”(hŒhangup (both before and during)”h]”hÙ)”}”(hjêh]”hŒhangup (both before and during)”…””}”(hjìhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h Mîhjèubah}”(h]”h ]”h"]”h$]”h&]”uh1hÓhjåubhÔ)”}”(hŒnon blocking open”h]”hÙ)”}”(hjh]”hŒnon blocking open”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h Mïhjubah}”(h]”h ]”h"]”h$]”h&]”uh1hÓhjåubhÔ)”}”(hŒrts/dtr/dcd”h]”hÙ)”}”(hjh]”hŒrts/dtr/dcd”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h Mðhjubah}”(h]”h ]”h"]”h$]”h&]”uh1hÓhjåubhÔ)”}”(hŒsignals”h]”hÙ)”}”(hj2h]”hŒsignals”…””}”(hj4hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h Mñhj0ubah}”(h]”h ]”h"]”h$]”h&]”uh1hÓhjåubhÔ)”}”(hŒport flags and counts ”h]”hÙ)”}”(hŒport flags and counts”h]”hŒport flags and counts”…””}”(hjLhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MòhjHubah}”(h]”h ]”h"]”h$]”h&]”uh1hÓhjåubeh}”(h]”h ]”h"]”h$]”h&]”Œbullet”Œ-”uh1hÎhŸjùh Mîhjáubah}”(h]”h ]”h"]”h$]”h&]”uh1jßhŸjùh MîhjÚ ubhÙ)”}”(hX/The passed **port** must implement the **port->ops->carrier_raised** method if it can do carrier detect and the **port->ops->dtr_rts** method if it supports software management of these lines. Note that the dtr/rts raise is done each iteration as a hangup may have previously dropped them while we wait.”h]”(hŒThe passed ”…””}”(hjohžhhŸNh Nubj)”}”(hŒ**port**”h]”hŒport”…””}”(hjwhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjoubhŒ must implement the ”…””}”(hjohžhhŸNh Nubj)”}”(hŒ**port->ops->carrier_raised**”h]”hŒport->ops->carrier_raised”…””}”(hj‰hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjoubhŒ, method if it can do carrier detect and the ”…””}”(hjohžhhŸNh Nubj)”}”(hŒ**port->ops->dtr_rts**”h]”hŒport->ops->dtr_rts”…””}”(hj›hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjoubhŒ© method if it supports software management of these lines. Note that the dtr/rts raise is done each iteration as a hangup may have previously dropped them while we wait.”…””}”(hjohžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MôhjÚ ubhÙ)”}”(hŒCaller holds tty lock.”h]”hŒCaller holds tty lock.”…””}”(hj´hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MùhjÚ ubhÙ)”}”(hŒ**Note**”h]”j)”}”(hjÅh]”hŒNote”…””}”(hjÇhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjÃubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MûhjÚ ubhÙ)”}”(hŒ{May drop and reacquire tty lock when blocking, so **tty** and **port** may have changed state (eg., may have been hung up).”h]”(hŒ2May drop and reacquire tty lock when blocking, so ”…””}”(hjÛhžhhŸNh Nubj)”}”(hŒ**tty**”h]”hŒtty”…””}”(hjãhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjÛubhŒ and ”…””}”(hjÛhžhhŸNh Nubj)”}”(hŒ**port**”h]”hŒport”…””}”(hjõhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjÛubhŒ5 may have changed state (eg., may have been hung up).”…””}”(hjÛhžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MûhjÚ ubeh}”(h]”h ]”Œkernelindent”ah"]”h$]”h&]”uh1jhjhžhhŸNh NubjÚ)”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œentries”]”(jæŒ!tty_port_close_start (C function)”Œc.tty_port_close_start”hNt”auh1jÙhjhžhhŸNh Nubjë)”}”(hhh]”(jð)”}”(hŒ[int tty_port_close_start (struct tty_port *port, struct tty_struct *tty, struct file *filp)”h]”jö)”}”(hŒZint tty_port_close_start(struct tty_port *port, struct tty_struct *tty, struct file *filp)”h]”(jü)”}”(hŒint”h]”hŒint”…””}”(hj.hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1jûhj*hžhhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h Mqubj)”}”(hŒ ”h]”hŒ ”…””}”(hj=hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj*hžhhŸj<h Mqubj)”}”(hŒtty_port_close_start”h]”j%)”}”(hŒtty_port_close_start”h]”hŒtty_port_close_start”…””}”(hjOhžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjKubah}”(h]”h ]”(j8j9eh"]”h$]”h&]”h±h²uh1jhj*hžhhŸj<h Mqubj>)”}”(hŒB(struct tty_port *port, struct tty_struct *tty, struct file *filp)”h]”(jD)”}”(hŒstruct tty_port *port”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hjkhžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhjgubj)”}”(hŒ ”h]”hŒ ”…””}”(hjxhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjgubh)”}”(hhh]”j%)”}”(hŒtty_port”h]”hŒtty_port”…””}”(hj‰hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj†ubah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”jŒreftype”jŒ reftarget”j‹Œmodname”NŒ classname”Nj…jˆ)”}”j‹]”jŽ)”}”jjQsbŒc.tty_port_close_start”†”asbuh1hhjgubj)”}”(hŒ ”h]”hŒ ”…””}”(hj©hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjgubj¢)”}”(hj¥h]”hŒ*”…””}”(hj·hžhhŸNh Nubah}”(h]”h ]”j®ah"]”h$]”h&]”uh1j¡hjgubj%)”}”(hŒport”h]”hŒport”…””}”(hjÄhžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjgubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChjcubjD)”}”(hŒstruct tty_struct *tty”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hjÝhžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhjÙubj)”}”(hŒ ”h]”hŒ ”…””}”(hjêhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjÙubh)”}”(hhh]”j%)”}”(hŒ tty_struct”h]”hŒ tty_struct”…””}”(hjûhžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjøubah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”jŒreftype”jŒ reftarget”jýŒmodname”NŒ classname”Nj…jˆ)”}”j‹]”j¥Œc.tty_port_close_start”†”asbuh1hhjÙubj)”}”(hŒ ”h]”hŒ ”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjÙubj¢)”}”(hj¥h]”hŒ*”…””}”(hj'hžhhŸNh Nubah}”(h]”h ]”j®ah"]”h$]”h&]”uh1j¡hjÙubj%)”}”(hŒtty”h]”hŒtty”…””}”(hj4hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjÙubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChjcubjD)”}”(hŒstruct file *filp”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hjMhžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhjIubj)”}”(hŒ ”h]”hŒ ”…””}”(hjZhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjIubh)”}”(hhh]”j%)”}”(hŒfile”h]”hŒfile”…””}”(hjkhžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjhubah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”jŒreftype”jŒ reftarget”jmŒmodname”NŒ classname”Nj…jˆ)”}”j‹]”j¥Œc.tty_port_close_start”†”asbuh1hhjIubj)”}”(hŒ ”h]”hŒ ”…””}”(hj‰hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjIubj¢)”}”(hj¥h]”hŒ*”…””}”(hj—hžhhŸNh Nubah}”(h]”h ]”j®ah"]”h$]”h&]”uh1j¡hjIubj%)”}”(hŒfilp”h]”hŒfilp”…””}”(hj¤hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjIubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChjcubeh}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j=hj*hžhhŸj<h Mqubeh}”(h]”h ]”h"]”h$]”h&]”h±h²jÓˆuh1jõjÔjÕhj&hžhhŸj<h Mqubah}”(h]”j!ah ]”(jÙjÚeh"]”h$]”h&]”jÞˆjß)jàhuh1jïhŸj<h Mqhj#hžhubjâ)”}”(hhh]”hÙ)”}”(hŒ$helper for tty->ops->close, part 1/2”h]”hŒ$helper for tty->ops->close, part 1/2”…””}”(hjÎhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MchjËhžhubah}”(h]”h ]”h"]”h$]”h&]”uh1jáhj#hžhhŸj<h Mqubeh}”(h]”h ]”(jŒfunction”eh"]”h$]”h&]”jjjjæjjæj‰j‰j‰uh1jêhžhhjhŸNh Nubj )”}”(hX**Parameters** ``struct tty_port *port`` tty_port of the device ``struct tty_struct *tty`` tty being closed ``struct file *filp`` passed file pointer **Description** Decrements and checks open count. Flushes the port if this is the last close. That means, dropping the data from the outpu buffer on the device and waiting for sending logic to finish. The rest of close handling is performed in tty_port_close_end(). Locking: Caller holds tty lock. **Return** 1 if this is the last close, otherwise 0”h]”(hÙ)”}”(hŒ**Parameters**”h]”j)”}”(hjðh]”hŒ Parameters”…””}”(hjòhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjîubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h Mghjêubj))”}”(hhh]”(j.)”}”(hŒ1``struct tty_port *port`` tty_port of the device ”h]”(j4)”}”(hŒ``struct tty_port *port``”h]”j)”}”(hjh]”hŒstruct tty_port *port”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h Mdhj ubjN)”}”(hhh]”hÙ)”}”(hŒtty_port of the device”h]”hŒtty_port of the device”…””}”(hj(hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸj$h Mdhj%ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhj ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj$h Mdhjubj.)”}”(hŒ,``struct tty_struct *tty`` tty being closed ”h]”(j4)”}”(hŒ``struct tty_struct *tty``”h]”j)”}”(hjHh]”hŒstruct tty_struct *tty”…””}”(hjJhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjFubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MehjBubjN)”}”(hhh]”hÙ)”}”(hŒtty being closed”h]”hŒtty being closed”…””}”(hjahžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸj]h Mehj^ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhjBubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj]h Mehjubj.)”}”(hŒ*``struct file *filp`` passed file pointer ”h]”(j4)”}”(hŒ``struct file *filp``”h]”j)”}”(hjh]”hŒstruct file *filp”…””}”(hjƒhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h Mfhj{ubjN)”}”(hhh]”hÙ)”}”(hŒpassed file pointer”h]”hŒpassed file pointer”…””}”(hjšhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸj–h Mfhj—ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhj{ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj–h Mfhjubeh}”(h]”h ]”h"]”h$]”h&]”uh1j(hjêubhÙ)”}”(hŒ**Description**”h]”j)”}”(hj¼h]”hŒDescription”…””}”(hj¾hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjºubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MhhjêubhÙ)”}”(hŒùDecrements and checks open count. Flushes the port if this is the last close. That means, dropping the data from the outpu buffer on the device and waiting for sending logic to finish. The rest of close handling is performed in tty_port_close_end().”h]”hŒùDecrements and checks open count. Flushes the port if this is the last close. That means, dropping the data from the outpu buffer on the device and waiting for sending logic to finish. The rest of close handling is performed in tty_port_close_end().”…””}”(hjÒhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MhhjêubhÙ)”}”(hŒLocking: Caller holds tty lock.”h]”hŒLocking: Caller holds tty lock.”…””}”(hjáhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MmhjêubhÙ)”}”(hŒ **Return**”h]”j)”}”(hjòh]”hŒReturn”…””}”(hjôhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjðubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MohjêubhÙ)”}”(hŒ(1 if this is the last close, otherwise 0”h]”hŒ(1 if this is the last close, otherwise 0”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h Mohjêubeh}”(h]”h ]”Œkernelindent”ah"]”h$]”h&]”uh1jhjhžhhŸNh NubjÚ)”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œentries”]”(jæŒtty_port_close_end (C function)”Œc.tty_port_close_end”hNt”auh1jÙhjhžhhŸNh Nubjë)”}”(hhh]”(jð)”}”(hŒGvoid tty_port_close_end (struct tty_port *port, struct tty_struct *tty)”h]”jö)”}”(hŒFvoid tty_port_close_end(struct tty_port *port, struct tty_struct *tty)”h]”(jü)”}”(hŒvoid”h]”hŒvoid”…””}”(hj7hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1jûhj3hžhhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h M©ubj)”}”(hŒ ”h]”hŒ ”…””}”(hjFhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj3hžhhŸjEh M©ubj)”}”(hŒtty_port_close_end”h]”j%)”}”(hŒtty_port_close_end”h]”hŒtty_port_close_end”…””}”(hjXhžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjTubah}”(h]”h ]”(j8j9eh"]”h$]”h&]”h±h²uh1jhj3hžhhŸjEh M©ubj>)”}”(hŒ/(struct tty_port *port, struct tty_struct *tty)”h]”(jD)”}”(hŒstruct tty_port *port”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hjthžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhjpubj)”}”(hŒ ”h]”hŒ ”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjpubh)”}”(hhh]”j%)”}”(hŒtty_port”h]”hŒtty_port”…””}”(hj’hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjubah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”jŒreftype”jŒ reftarget”j”Œmodname”NŒ classname”Nj…jˆ)”}”j‹]”jŽ)”}”jjZsbŒc.tty_port_close_end”†”asbuh1hhjpubj)”}”(hŒ ”h]”hŒ ”…””}”(hj²hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjpubj¢)”}”(hj¥h]”hŒ*”…””}”(hjÀhžhhŸNh Nubah}”(h]”h ]”j®ah"]”h$]”h&]”uh1j¡hjpubj%)”}”(hŒport”h]”hŒport”…””}”(hjÍhžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjpubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChjlubjD)”}”(hŒstruct tty_struct *tty”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hjæhžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhjâubj)”}”(hŒ ”h]”hŒ ”…””}”(hjóhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjâubh)”}”(hhh]”j%)”}”(hŒ tty_struct”h]”hŒ tty_struct”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjubah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”jŒreftype”jŒ reftarget”jŒmodname”NŒ classname”Nj…jˆ)”}”j‹]”j®Œc.tty_port_close_end”†”asbuh1hhjâubj)”}”(hŒ ”h]”hŒ ”…””}”(hj"hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjâubj¢)”}”(hj¥h]”hŒ*”…””}”(hj0hžhhŸNh Nubah}”(h]”h ]”j®ah"]”h$]”h&]”uh1j¡hjâubj%)”}”(hŒtty”h]”hŒtty”…””}”(hj=hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjâubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChjlubeh}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j=hj3hžhhŸjEh M©ubeh}”(h]”h ]”h"]”h$]”h&]”h±h²jÓˆuh1jõjÔjÕhj/hžhhŸjEh M©ubah}”(h]”j*ah ]”(jÙjÚeh"]”h$]”h&]”jÞˆjß)jàhuh1jïhŸjEh M©hj,hžhubjâ)”}”(hhh]”hÙ)”}”(hŒ$helper for tty->ops->close, part 2/2”h]”hŒ$helper for tty->ops->close, part 2/2”…””}”(hjghžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MŸhjdhžhubah}”(h]”h ]”h"]”h$]”h&]”uh1jáhj,hžhhŸjEh M©ubeh}”(h]”h ]”(jŒfunction”eh"]”h$]”h&]”jjjjjjj‰j‰j‰uh1jêhžhhjhŸNh Nubj )”}”(hXv**Parameters** ``struct tty_port *port`` tty_port of the device ``struct tty_struct *tty`` tty being closed **Description** This is a continuation of the first part: tty_port_close_start(). This should be called after turning off the device. It flushes the data from the line discipline and delays the close by **port->close_delay**. Locking: Caller holds tty lock.”h]”(hÙ)”}”(hŒ**Parameters**”h]”j)”}”(hj‰h]”hŒ Parameters”…””}”(hj‹hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj‡ubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h M£hjƒubj))”}”(hhh]”(j.)”}”(hŒ1``struct tty_port *port`` tty_port of the device ”h]”(j4)”}”(hŒ``struct tty_port *port``”h]”j)”}”(hj¨h]”hŒstruct tty_port *port”…””}”(hjªhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj¦ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h M hj¢ubjN)”}”(hhh]”hÙ)”}”(hŒtty_port of the device”h]”hŒtty_port of the device”…””}”(hjÁhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸj½h M hj¾ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhj¢ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj½h M hjŸubj.)”}”(hŒ,``struct tty_struct *tty`` tty being closed ”h]”(j4)”}”(hŒ``struct tty_struct *tty``”h]”j)”}”(hjáh]”hŒstruct tty_struct *tty”…””}”(hjãhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjßubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h M¡hjÛubjN)”}”(hhh]”hÙ)”}”(hŒtty being closed”h]”hŒtty being closed”…””}”(hjúhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸjöh M¡hj÷ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhjÛubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸjöh M¡hjŸubeh}”(h]”h ]”h"]”h$]”h&]”uh1j(hjƒubhÙ)”}”(hŒ**Description**”h]”j)”}”(hjh]”hŒDescription”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h M£hjƒubhÙ)”}”(hŒÑThis is a continuation of the first part: tty_port_close_start(). This should be called after turning off the device. It flushes the data from the line discipline and delays the close by **port->close_delay**.”h]”(hŒ»This is a continuation of the first part: tty_port_close_start(). This should be called after turning off the device. It flushes the data from the line discipline and delays the close by ”…””}”(hj2hžhhŸNh Nubj)”}”(hŒ**port->close_delay**”h]”hŒport->close_delay”…””}”(hj:hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj2ubhŒ.”…””}”(hj2hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h M£hjƒubhÙ)”}”(hŒLocking: Caller holds tty lock.”h]”hŒLocking: Caller holds tty lock.”…””}”(hjShžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h M§hjƒubeh}”(h]”h ]”Œkernelindent”ah"]”h$]”h&]”uh1jhjhžhhŸNh NubjÚ)”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œentries”]”(jæŒtty_port_close (C function)”Œc.tty_port_close”hNt”auh1jÙhjhžhhŸNh Nubjë)”}”(hhh]”(jð)”}”(hŒVvoid tty_port_close (struct tty_port *port, struct tty_struct *tty, struct file *filp)”h]”jö)”}”(hŒUvoid tty_port_close(struct tty_port *port, struct tty_struct *tty, struct file *filp)”h]”(jü)”}”(hŒvoid”h]”hŒvoid”…””}”(hj‚hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1jûhj~hžhhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MËubj)”}”(hŒ ”h]”hŒ ”…””}”(hj‘hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj~hžhhŸjh MËubj)”}”(hŒtty_port_close”h]”j%)”}”(hŒtty_port_close”h]”hŒtty_port_close”…””}”(hj£hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjŸubah}”(h]”h ]”(j8j9eh"]”h$]”h&]”h±h²uh1jhj~hžhhŸjh MËubj>)”}”(hŒB(struct tty_port *port, struct tty_struct *tty, struct file *filp)”h]”(jD)”}”(hŒstruct tty_port *port”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hj¿hžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhj»ubj)”}”(hŒ ”h]”hŒ ”…””}”(hjÌhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj»ubh)”}”(hhh]”j%)”}”(hŒtty_port”h]”hŒtty_port”…””}”(hjÝhžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjÚubah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”jŒreftype”jŒ reftarget”jßŒmodname”NŒ classname”Nj…jˆ)”}”j‹]”jŽ)”}”jj¥sbŒc.tty_port_close”†”asbuh1hhj»ubj)”}”(hŒ ”h]”hŒ ”…””}”(hjýhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj»ubj¢)”}”(hj¥h]”hŒ*”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”j®ah"]”h$]”h&]”uh1j¡hj»ubj%)”}”(hŒport”h]”hŒport”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj»ubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChj·ubjD)”}”(hŒstruct tty_struct *tty”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hj1hžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhj-ubj)”}”(hŒ ”h]”hŒ ”…””}”(hj>hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj-ubh)”}”(hhh•Ö]”j%)”}”(hŒ tty_struct”h]”hŒ tty_struct”…””}”(hjOhžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjLubah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”jŒreftype”jŒ reftarget”jQŒmodname”NŒ classname”Nj…jˆ)”}”j‹]”jùŒc.tty_port_close”†”asbuh1hhj-ubj)”}”(hŒ ”h]”hŒ ”…””}”(hjmhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj-ubj¢)”}”(hj¥h]”hŒ*”…””}”(hj{hžhhŸNh Nubah}”(h]”h ]”j®ah"]”h$]”h&]”uh1j¡hj-ubj%)”}”(hŒtty”h]”hŒtty”…””}”(hjˆhžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj-ubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChj·ubjD)”}”(hŒstruct file *filp”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hj¡hžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhjubj)”}”(hŒ ”h]”hŒ ”…””}”(hj®hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjubh)”}”(hhh]”j%)”}”(hŒfile”h]”hŒfile”…””}”(hj¿hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj¼ubah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”jŒreftype”jŒ reftarget”jÁŒmodname”NŒ classname”Nj…jˆ)”}”j‹]”jùŒc.tty_port_close”†”asbuh1hhjubj)”}”(hŒ ”h]”hŒ ”…””}”(hjÝhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjubj¢)”}”(hj¥h]”hŒ*”…””}”(hjëhžhhŸNh Nubah}”(h]”h ]”j®ah"]”h$]”h&]”uh1j¡hjubj%)”}”(hŒfilp”h]”hŒfilp”…””}”(hjøhžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChj·ubeh}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j=hj~hžhhŸjh MËubeh}”(h]”h ]”h"]”h$]”h&]”h±h²jÓˆuh1jõjÔjÕhjzhžhhŸjh MËubah}”(h]”juah ]”(jÙjÚeh"]”h$]”h&]”jÞˆjß)jàhuh1jïhŸjh MËhjwhžhubjâ)”}”(hhh]”hÙ)”}”(hŒgeneric tty->ops->close handler”h]”hŒgeneric tty->ops->close handler”…””}”(hj"hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h M¿hjhžhubah}”(h]”h ]”h"]”h$]”h&]”uh1jáhjwhžhhŸjh MËubeh}”(h]”h ]”(jŒfunction”eh"]”h$]”h&]”jjjj:jj:j‰j‰j‰uh1jêhžhhjhŸNh Nubj )”}”(hXÙ**Parameters** ``struct tty_port *port`` tty_port of the device ``struct tty_struct *tty`` tty being closed ``struct file *filp`` passed file pointer **Description** It is a generic helper to be used in driver's **tty->ops->close**. It wraps a sequence of tty_port_close_start(), tty_port_shutdown(), and tty_port_close_end(). The latter two are called only if this is the last close. See the respective functions for the details. Locking: Caller holds tty lock”h]”(hÙ)”}”(hŒ**Parameters**”h]”j)”}”(hjDh]”hŒ Parameters”…””}”(hjFhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjBubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MÃhj>ubj))”}”(hhh]”(j.)”}”(hŒ1``struct tty_port *port`` tty_port of the device ”h]”(j4)”}”(hŒ``struct tty_port *port``”h]”j)”}”(hjch]”hŒstruct tty_port *port”…””}”(hjehžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjaubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MÀhj]ubjN)”}”(hhh]”hÙ)”}”(hŒtty_port of the device”h]”hŒtty_port of the device”…””}”(hj|hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸjxh MÀhjyubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhj]ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸjxh MÀhjZubj.)”}”(hŒ,``struct tty_struct *tty`` tty being closed ”h]”(j4)”}”(hŒ``struct tty_struct *tty``”h]”j)”}”(hjœh]”hŒstruct tty_struct *tty”…””}”(hjžhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjšubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MÁhj–ubjN)”}”(hhh]”hÙ)”}”(hŒtty being closed”h]”hŒtty being closed”…””}”(hjµhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸj±h MÁhj²ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhj–ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj±h MÁhjZubj.)”}”(hŒ*``struct file *filp`` passed file pointer ”h]”(j4)”}”(hŒ``struct file *filp``”h]”j)”}”(hjÕh]”hŒstruct file *filp”…””}”(hj×hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjÓubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MÂhjÏubjN)”}”(hhh]”hÙ)”}”(hŒpassed file pointer”h]”hŒpassed file pointer”…””}”(hjîhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸjêh MÂhjëubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhjÏubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸjêh MÂhjZubeh}”(h]”h ]”h"]”h$]”h&]”uh1j(hj>ubhÙ)”}”(hŒ**Description**”h]”j)”}”(hjh]”hŒDescription”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MÄhj>ubhÙ)”}”(hXIt is a generic helper to be used in driver's **tty->ops->close**. It wraps a sequence of tty_port_close_start(), tty_port_shutdown(), and tty_port_close_end(). The latter two are called only if this is the last close. See the respective functions for the details.”h]”(hŒ0It is a generic helper to be used in driverâ€™s ”…””}”(hj&hžhhŸNh Nubj)”}”(hŒ**tty->ops->close**”h]”hŒtty->ops->close”…””}”(hj.hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj&ubhŒÇ. It wraps a sequence of tty_port_close_start(), tty_port_shutdown(), and tty_port_close_end(). The latter two are called only if this is the last close. See the respective functions for the details.”…””}”(hj&hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MÄhj>ubhÙ)”}”(hŒLocking: Caller holds tty lock”h]”hŒLocking: Caller holds tty lock”…””}”(hjGhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MÉhj>ubeh}”(h]”h ]”Œkernelindent”ah"]”h$]”h&]”uh1jhjhžhhŸNh NubjÚ)”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œentries”]”(jæŒtty_port_install (C function)”Œc.tty_port_install”hNt”auh1jÙhjhžhhŸNh Nubjë)”}”(hhh]”(jð)”}”(hŒ_int tty_port_install (struct tty_port *port, struct tty_driver *driver, struct tty_struct *tty)”h]”jö)”}”(hŒ^int tty_port_install(struct tty_port *port, struct tty_driver *driver, struct tty_struct *tty)”h]”(jü)”}”(hŒint”h]”hŒint”…””}”(hjvhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1jûhjrhžhhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h Mâubj)”}”(hŒ ”h]”hŒ ”…””}”(hj…hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjrhžhhŸj„h Mâubj)”}”(hŒtty_port_install”h]”j%)”}”(hŒtty_port_install”h]”hŒtty_port_install”…””}”(hj—hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj“ubah}”(h]”h ]”(j8j9eh"]”h$]”h&]”h±h²uh1jhjrhžhhŸj„h Mâubj>)”}”(hŒJ(struct tty_port *port, struct tty_driver *driver, struct tty_struct *tty)”h]”(jD)”}”(hŒstruct tty_port *port”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hj³hžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhj¯ubj)”}”(hŒ ”h]”hŒ ”…””}”(hjÀhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj¯ubh)”}”(hhh]”j%)”}”(hŒtty_port”h]”hŒtty_port”…””}”(hjÑhžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjÎubah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”jŒreftype”jŒ reftarget”jÓŒmodname”NŒ classname”Nj…jˆ)”}”j‹]”jŽ)”}”jj™sbŒc.tty_port_install”†”asbuh1hhj¯ubj)”}”(hŒ ”h]”hŒ ”…””}”(hjñhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj¯ubj¢)”}”(hj¥h]”hŒ*”…””}”(hjÿhžhhŸNh Nubah}”(h]”h ]”j®ah"]”h$]”h&]”uh1j¡hj¯ubj%)”}”(hŒport”h]”hŒport”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj¯ubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChj«ubjD)”}”(hŒstruct tty_driver *driver”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hj%hžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhj!ubj)”}”(hŒ ”h]”hŒ ”…””}”(hj2hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj!ubh)”}”(hhh]”j%)”}”(hŒ tty_driver”h]”hŒ tty_driver”…””}”(hjChžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj@ubah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”jŒreftype”jŒ reftarget”jEŒmodname”NŒ classname”Nj…jˆ)”}”j‹]”jíŒc.tty_port_install”†”asbuh1hhj!ubj)”}”(hŒ ”h]”hŒ ”…””}”(hjahžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj!ubj¢)”}”(hj¥h]”hŒ*”…””}”(hjohžhhŸNh Nubah}”(h]”h ]”j®ah"]”h$]”h&]”uh1j¡hj!ubj%)”}”(hŒdriver”h]”hŒdriver”…””}”(hj|hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj!ubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChj«ubjD)”}”(hŒstruct tty_struct *tty”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hj•hžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhj‘ubj)”}”(hŒ ”h]”hŒ ”…””}”(hj¢hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj‘ubh)”}”(hhh]”j%)”}”(hŒ tty_struct”h]”hŒ tty_struct”…””}”(hj³hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj°ubah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”jŒreftype”jŒ reftarget”jµŒmodname”NŒ classname”Nj…jˆ)”}”j‹]”jíŒc.tty_port_install”†”asbuh1hhj‘ubj)”}”(hŒ ”h]”hŒ ”…””}”(hjÑhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj‘ubj¢)”}”(hj¥h]”hŒ*”…””}”(hjßhžhhŸNh Nubah}”(h]”h ]”j®ah"]”h$]”h&]”uh1j¡hj‘ubj%)”}”(hŒtty”h]”hŒtty”…””}”(hjìhžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj‘ubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChj«ubeh}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j=hjrhžhhŸj„h Mâubeh}”(h]”h ]”h"]”h$]”h&]”h±h²jÓˆuh1jõjÔjÕhjnhžhhŸj„h Mâubah}”(h]”jiah ]”(jÙjÚeh"]”h$]”h&]”jÞˆjß)jàhuh1jïhŸj„h Mâhjkhžhubjâ)”}”(hhh]”hÙ)”}”(hŒ!generic tty->ops->install handler”h]”hŒ!generic tty->ops->install handler”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MÙhjhžhubah}”(h]”h ]”h"]”h$]”h&]”uh1jáhjkhžhhŸj„h Mâubeh}”(h]”h ]”(jŒfunction”eh"]”h$]”h&]”jjjj.jj.j‰j‰j‰uh1jêhžhhjhŸNh Nubj )”}”(hXš**Parameters** ``struct tty_port *port`` tty_port of the device ``struct tty_driver *driver`` tty_driver for this device ``struct tty_struct *tty`` tty to be installed **Description** It is the same as tty_standard_install() except the provided **port** is linked to a concrete tty specified by **tty**. Use this or tty_port_register_device() (or both). Call tty_port_link_device() as a last resort.”h]”(hÙ)”}”(hŒ**Parameters**”h]”j)”}”(hj8h]”hŒ Parameters”…””}”(hj:hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj6ubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MÝhj2ubj))”}”(hhh]”(j.)”}”(hŒ1``struct tty_port *port`` tty_port of the device ”h]”(j4)”}”(hŒ``struct tty_port *port``”h]”j)”}”(hjWh]”hŒstruct tty_port *port”…””}”(hjYhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjUubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MÚhjQubjN)”}”(hhh]”hÙ)”}”(hŒtty_port of the device”h]”hŒtty_port of the device”…””}”(hjphžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸjlh MÚhjmubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhjQubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸjlh MÚhjNubj.)”}”(hŒ9``struct tty_driver *driver`` tty_driver for this device ”h]”(j4)”}”(hŒ``struct tty_driver *driver``”h]”j)”}”(hjh]”hŒstruct tty_driver *driver”…””}”(hj’hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjŽubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MÛhjŠubjN)”}”(hhh]”hÙ)”}”(hŒtty_driver for this device”h]”hŒtty_driver for this device”…””}”(hj©hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸj¥h MÛhj¦ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhjŠubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj¥h MÛhjNubj.)”}”(hŒ/``struct tty_struct *tty`` tty to be installed ”h]”(j4)”}”(hŒ``struct tty_struct *tty``”h]”j)”}”(hjÉh]”hŒstruct tty_struct *tty”…””}”(hjËhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjÇubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MÜhjÃubjN)”}”(hhh]”hÙ)”}”(hŒtty to be installed”h]”hŒtty to be installed”…””}”(hjâhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸjÞh MÜhjßubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhjÃubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸjÞh MÜhjNubeh}”(h]”h ]”h"]”h$]”h&]”uh1j(hj2ubhÙ)”}”(hŒ**Description**”h]”j)”}”(hjh]”hŒDescription”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MÞhj2ubhÙ)”}”(hŒ×It is the same as tty_standard_install() except the provided **port** is linked to a concrete tty specified by **tty**. Use this or tty_port_register_device() (or both). Call tty_port_link_device() as a last resort.”h]”(hŒ=It is the same as tty_standard_install() except the provided ”…””}”(hjhžhhŸNh Nubj)”}”(hŒ**port**”h]”hŒport”…””}”(hj"hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjubhŒ* is linked to a concrete tty specified by ”…””}”(hjhžhhŸNh Nubj)”}”(hŒ**tty**”h]”hŒtty”…””}”(hj4hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjubhŒa. Use this or tty_port_register_device() (or both). Call tty_port_link_device() as a last resort.”…””}”(hjhžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MÞhj2ubeh}”(h]”h ]”Œkernelindent”ah"]”h$]”h&]”uh1jhjhžhhŸNh NubjÚ)”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œentries”]”(jæŒtty_port_open (C function)”Œc.tty_port_open”hNt”auh1jÙhjhžhhŸNh Nubjë)”}”(hhh]”(jð)”}”(hŒTint tty_port_open (struct tty_port *port, struct tty_struct *tty, struct file *filp)”h]”jö)”}”(hŒSint tty_port_open(struct tty_port *port, struct tty_struct *tty, struct file *filp)”h]”(jü)”}”(hŒint”h]”hŒint”…””}”(hjmhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1jûhjihžhhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h Mýubj)”}”(hŒ ”h]”hŒ ”…””}”(hj|hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjihžhhŸj{h Mýubj)”}”(hŒ tty_port_open”h]”j%)”}”(hŒ tty_port_open”h]”hŒ tty_port_open”…””}”(hjŽhžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjŠubah}”(h]”h ]”(j8j9eh"]”h$]”h&]”h±h²uh1jhjihžhhŸj{h Mýubj>)”}”(hŒB(struct tty_port *port, struct tty_struct *tty, struct file *filp)”h]”(jD)”}”(hŒstruct tty_port *port”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hjªhžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhj¦ubj)”}”(hŒ ”h]”hŒ ”…””}”(hj·hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj¦ubh)”}”(hhh]”j%)”}”(hŒtty_port”h]”hŒtty_port”…””}”(hjÈhžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjÅubah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”jŒreftype”jŒ reftarget”jÊŒmodname”NŒ classname”Nj…jˆ)”}”j‹]”jŽ)”}”jjsbŒc.tty_port_open”†”asbuh1hhj¦ubj)”}”(hŒ ”h]”hŒ ”…””}”(hjèhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj¦ubj¢)”}”(hj¥h]”hŒ*”…””}”(hjöhžhhŸNh Nubah}”(h]”h ]”j®ah"]”h$]”h&]”uh1j¡hj¦ubj%)”}”(hŒport”h]”hŒport”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj¦ubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChj¢ubjD)”}”(hŒstruct tty_struct *tty”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhjubj)”}”(hŒ ”h]”hŒ ”…””}”(hj)hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjubh)”}”(hhh]”j%)”}”(hŒ tty_struct”h]”hŒ tty_struct”…””}”(hj:hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj7ubah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”jŒreftype”jŒ reftarget”j<Œmodname”NŒ classname”Nj…jˆ)”}”j‹]”jäŒc.tty_port_open”†”asbuh1hhjubj)”}”(hŒ ”h]”hŒ ”…””}”(hjXhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjubj¢)”}”(hj¥h]”hŒ*”…””}”(hjfhžhhŸNh Nubah}”(h]”h ]”j®ah"]”h$]”h&]”uh1j¡hjubj%)”}”(hŒtty”h]”hŒtty”…””}”(hjshžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChj¢ubjD)”}”(hŒstruct file *filp”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hjŒhžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhjˆubj)”}”(hŒ ”h]”hŒ ”…””}”(hj™hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjˆubh)”}”(hhh]”j%)”}”(hŒfile”h]”hŒfile”…””}”(hjªhžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj§ubah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”jŒreftype”jŒ reftarget”j¬Œmodname”NŒ classname”Nj…jˆ)”}”j‹]”jäŒc.tty_port_open”†”asbuh1hhjˆubj)”}”(hŒ ”h]”hŒ ”…””}”(hjÈhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjˆubj¢)”}”(hj¥h]”hŒ*”…””}”(hjÖhžhhŸNh Nubah}”(h]”h ]”j®ah"]”h$]”h&]”uh1j¡hjˆubj%)”}”(hŒfilp”h]”hŒfilp”…””}”(hjãhžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjˆubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChj¢ubeh}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j=hjihžhhŸj{h Mýubeh}”(h]”h ]”h"]”h$]”h&]”h±h²jÓˆuh1jõjÔjÕhjehžhhŸj{h Mýubah}”(h]”j`ah ]”(jÙjÚeh"]”h$]”h&]”jÞˆjß)jàhuh1jïhŸj{h Mýhjbhžhubjâ)”}”(hhh]”hÙ)”}”(hŒgeneric tty->ops->open handler”h]”hŒgeneric tty->ops->open handler”…””}”(hj hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h Mëhj hžhubah}”(h]”h ]”h"]”h$]”h&]”uh1jáhjbhžhhŸj{h Mýubeh}”(h]”h ]”(jŒfunction”eh"]”h$]”h&]”jjjj%jj%j‰j‰j‰uh1jêhžhhjhŸNh Nubj )”}”(hXô**Parameters** ``struct tty_port *port`` tty_port of the device ``struct tty_struct *tty`` tty to be opened ``struct file *filp`` passed file pointer **Description** It is a generic helper to be used in driver's **tty->ops->open**. It activates the devices using **port->ops->activate** if not active already. And waits for the device to be ready using tty_port_block_til_ready() (e.g. raises DTR/CTS and waits for carrier). Note that **port->ops->shutdown** is not called when **port->ops->activate** returns an error (on the contrary, **tty->ops->close** is). Locking: Caller holds tty lock. **Note** may drop and reacquire tty lock (in tty_port_block_til_ready()) so **tty** and **port** may have changed state (eg., may be hung up now).”h]”(hÙ)”}”(hŒ**Parameters**”h]”j)”}”(hj/h]”hŒ Parameters”…””}”(hj1hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj-ubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h Mïhj)ubj))”}”(hhh]”(j.)”}”(hŒ1``struct tty_port *port`` tty_port of the device ”h]”(j4)”}”(hŒ``struct tty_port *port``”h]”j)”}”(hjNh]”hŒstruct tty_port *port”…””}”(hjPhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjLubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MìhjHubjN)”}”(hhh]”hÙ)”}”(hŒtty_port of the device”h]”hŒtty_port of the device”…””}”(hjghžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸjch Mìhjdubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhjHubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸjch MìhjEubj.)”}”(hŒ,``struct tty_struct *tty`` tty to be opened ”h]”(j4)”}”(hŒ``struct tty_struct *tty``”h]”j)”}”(hj‡h]”hŒstruct tty_struct *tty”…””}”(hj‰hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj…ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MíhjubjN)”}”(hhh]”hÙ)”}”(hŒtty to be opened”h]”hŒtty to be opened”…””}”(hj hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸjœh Míhjubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhjubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸjœh MíhjEubj.)”}”(hŒ*``struct file *filp`` passed file pointer ”h]”(j4)”}”(hŒ``struct file *filp``”h]”j)”}”(hjÀh]”hŒstruct file *filp”…””}”(hjÂhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj¾ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h MîhjºubjN)”}”(hhh]”hÙ)”}”(hŒpassed file pointer”h]”hŒpassed file pointer”…””}”(hjÙhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸjÕh MîhjÖubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhjºubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸjÕh MîhjEubeh}”(h]”h ]”h"]”h$]”h&]”uh1j(hj)ubhÙ)”}”(hŒ**Description**”h]”j)”}”(hjûh]”hŒDescription”…””}”(hjýhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjùubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h Mðhj)ubhÙ)”}”(hXIt is a generic helper to be used in driver's **tty->ops->open**. It activates the devices using **port->ops->activate** if not active already. And waits for the device to be ready using tty_port_block_til_ready() (e.g. raises DTR/CTS and waits for carrier).”h]”(hŒ0It is a generic helper to be used in driverâ€™s ”…””}”(hjhžhhŸNh Nubj)”}”(hŒ**tty->ops->open**”h]”hŒtty->ops->open”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjubhŒ!. It activates the devices using ”…””}”(hjhžhhŸNh Nubj)”}”(hŒ**port->ops->activate**”h]”hŒport->ops->activate”…””}”(hj+hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjubhŒ‹ if not active already. And waits for the device to be ready using tty_port_block_til_ready() (e.g. raises DTR/CTS and waits for carrier).”…””}”(hjhžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h Mðhj)ubhÙ)”}”(hŒˆNote that **port->ops->shutdown** is not called when **port->ops->activate** returns an error (on the contrary, **tty->ops->close** is).”h]”(hŒ Note that ”…””}”(hjDhžhhŸNh Nubj)”}”(hŒ**port->ops->shutdown**”h]”hŒport->ops->shutdown”…””}”(hjLhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjDubhŒ is not called when ”…””}”(hjDhžhhŸNh Nubj)”}”(hŒ**port->ops->activate**”h]”hŒport->ops->activate”…””}”(hj^hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjDubhŒ$ returns an error (on the contrary, ”…””}”(hjDhžhhŸNh Nubj)”}”(hŒ**tty->ops->close**”h]”hŒtty->ops->close”…””}”(hjphžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjDubhŒ is).”…””}”(hjDhžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h Mõhj)ubhÙ)”}”(hŒLocking: Caller holds tty lock.”h]”hŒLocking: Caller holds tty lock.”…””}”(hj‰hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h Møhj)ubhÙ)”}”(hŒ**Note**”h]”j)”}”(hjšh]”hŒNote”…””}”(hjœhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj˜ubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h Múhj)ubhÙ)”}”(hŒ‰may drop and reacquire tty lock (in tty_port_block_til_ready()) so **tty** and **port** may have changed state (eg., may be hung up now).”h]”(hŒCmay drop and reacquire tty lock (in tty_port_block_til_ready()) so ”…””}”(hj°hžhhŸNh Nubj)”}”(hŒ**tty**”h]”hŒtty”…””}”(hj¸hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj°ubhŒ and ”…””}”(hj°hžhhŸNh Nubj)”}”(hŒ**port**”h]”hŒport”…””}”(hjÊhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj°ubhŒ2 may have changed state (eg., may be hung up now).”…””}”(hj°hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:31: ./drivers/tty/tty_port.c”h Múhj)ubeh}”(h]”h ]”Œkernelindent”ah"]”h$]”h&]”uh1jhjhžhhŸNh Nubeh}”(h]”j/ah ]”h"]”Œopen/close/hangup helpers”ah$]”h&]”uh1h´hj·hžhhŸh³h Kubhµ)”}”(hhh]”(hº)”}”(hŒTTY Refcounting”h]”hŒTTY Refcounting”…””}”(hjôhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”j—jKuh1h¹hjñhžhhŸh³h K%ubjÚ)”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œentries”]”(jæŒtty_port_tty_get (C function)”Œc.tty_port_tty_get”hNt”auh1jÙhjñhžhhŸNh Nubjë)”}”(hhh]”(jð)”}”(hŒ)”}”(hŒ(struct tty_port *port)”h]”jD)”}”(hŒstruct tty_port *port”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hj•hžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhj‘ubj)”}”(hŒ ”h]”hŒ ”…””}”(hj¢hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj‘ubh)”}”(hhh]”j%)”}”(hŒtty_port”h]”hŒtty_port”…””}”(hj³hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj°ubah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”jŒreftype”jŒ reftarget”jµŒmodname”NŒ classname”Nj…jˆ)”}”j‹]”jVŒc.tty_port_tty_get”†”asbuh1hhj‘ubj)”}”(hŒ ”h]”hŒ ”…””}”(hjÑhžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj‘ubj¢)”}”(hj¥h]”hŒ*”…””}”(hjßhžhhŸNh Nubah}”(h]”h ]”j®ah"]”h$]”h&]”uh1j¡hj‘ubj%)”}”(hŒport”h]”hŒport”…””}”(hjìhžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj‘ubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChjubah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j=hjhžhhŸj(h MBubeh}”(h]”h ]”h"]”h$]”h&]”h±h²jÓˆuh1jõjÔjÕhjhžhhŸj(h MBubah}”(h]”jah ]”(jÙjÚeh"]”h$]”h&]”jÞˆjß)jàhuh1jïhŸj(h MBhjhžhubjâ)”}”(hhh]”hÙ)”}”(hŒget a tty reference”h]”hŒget a tty reference”…””}”(hj hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:39: ./drivers/tty/tty_port.c”h M)”}”(hŒ/(struct tty_port *port, struct tty_struct *tty)”h]”(jD)”}”(hŒstruct tty_port *port”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hj&!hžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhj"!ubj)”}”(hŒ ”h]”hŒ ”…””}”(hj3!hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj"!ubh)”}”(hhh]”j%)”}”(hŒtty_port”h]”hŒtty_port”…””}”(hjD!hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjA!ubah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”jŒreftype”jŒ reftarget”jF!Œmodname”NŒ classname”Nj…jˆ)”}”j‹]”jŽ)”}”jj!sbŒc.tty_port_tty_set”†”asbuh1hhj"!ubj)”}”(hŒ ”h]”hŒ ”…””}”(hjd!hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj"!ubj¢)”}”(hj¥h]”hŒ*”…””}”(hjr!hžhhŸNh Nubah}”(h]”h ]”j®ah"]”h$]”h&]”uh1j¡hj"!ubj%)”}”(hŒport”h]”hŒport”…””}”(hj!hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj"!ubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChj!ubjD)”}”(hŒstruct tty_struct *tty”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hj˜!hžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhj”!ubj)”}”(hŒ ”h]”hŒ ”…””}”(hj¥!hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj”!ubh)”}”(hhh]”j%)”}”(hŒ tty_struct”h]”hŒ tty_struct”…””}”(hj¶!hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj³!ubah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”jŒreftype”jŒ reftarget”j¸!Œmodname”NŒ classname”Nj…jˆ)”}”j‹]”j`!Œc.tty_port_tty_set”†”asbuh1hhj”!ubj)”}”(hŒ ”h]”hŒ ”…””}”(hjÔ!hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj”!ubj¢)”}”(hj¥h]”hŒ*”…””}”(hjâ!hžhhŸNh Nubah}”(h]”h ]”j®ah"]”h$]”h&]”uh1j¡hj”!ubj%)”}”(hŒtty”h]”hŒtty”…””}”(hjï!hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj”!ubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChj!ubeh}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j=hjå hžhhŸj÷ h MVubeh}”(h]”h ]”h"]”h$]”h&]”h±h²jÓˆuh1jõjÔjÕhjá hžhhŸj÷ h MVubah}”(h]”jÜ ah ]”(jÙjÚeh"]”h$]”h&]”jÞˆjß)jàhuh1jïhŸj÷ h MVhjÞ hžhubjâ)”}”(hhh]”hÙ)”}”(hŒset the tty of a port”h]”hŒset the tty of a port”…””}”(hj"hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:39: ./drivers/tty/tty_port.c”h MOhj"hžhubah}”(h]”h ]”h"]”h$]”h&]”uh1jáhjÞ hžhhŸj÷ h MVubeh}”(h]”h ]”(jŒfunction”eh"]”h$]”h&]”jjjj1"jj1"j‰j‰j‰uh1jêhžhhjñhŸNh Nubj )”}”(hŒÒ**Parameters** ``struct tty_port *port`` tty port ``struct tty_struct *tty`` the tty **Description** Associate the port and tty pair. 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]”j®ah"]”h$]”h&]”uh1j¡hjv#ubj%)”}”(hŒport”h]”hŒport”…””}”(hjÓ#hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjv#ubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChjr#ubjD)”}”(hŒbool check_clocal”h]”(jü)”}”(hŒbool”h]”hŒbool”…””}”(hjì#hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1jûhjè#ubj)”}”(hŒ ”h]”hŒ ”…””}”(hjú#hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjè#ubj%)”}”(hŒcheck_clocal”h]”hŒcheck_clocal”…””}”(hj$hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjè#ubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChjr#ubeh}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j=hj9#hžhhŸjK#h M£ubeh}”(h]”h ]”h"]”h$]”h&]”h±h²jÓˆuh1jõjÔjÕhj5#hžhhŸjK#h M£ubah}”(h]”j0#ah ]”(jÙjÚeh"]”h$]”h&]”jÞˆjß)jàhuh1jïhŸjK#h M£hj2#hžhubjâ)”}”(hhh]”hÙ)”}”(hŒhelper to hang up a tty”h]”hŒhelper to hang up a tty”…””}”(hj2$hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:45: ./drivers/tty/tty_port.c”h MŸhj/$hžhubah}”(h]”h ]”h"]”h$]”h&]”uh1jáhj2#hžhhŸjK#h M£ubeh}”(h]”h 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with ``CLOCAL`` unset?”h]”(j4)”}”(hŒ``bool check_clocal``”h]”j)”}”(hj¬$h]”hŒbool check_clocal”…””}”(hj®$hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjª$ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:45: ./drivers/tty/tty_port.c”h M¢hj¦$ubjN)”}”(hhh]”hÙ)”}”(hŒ%hang only ttys with ``CLOCAL`` unset?”h]”(hŒhang only ttys with ”…””}”(hjÅ$hžhhŸNh Nubj)”}”(hŒ ``CLOCAL``”h]”hŒCLOCAL”…””}”(hjÍ$hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjÅ$ubhŒ unset?”…””}”(hjÅ$hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:45: ./drivers/tty/tty_port.c”h M¡hjÂ$ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhj¦$ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸjÁ$h M¢hjj$ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j(hjN$ubeh}”(h]”h ]”Œkernelindent”ah"]”h$]”h&]”uh1jhj#hžhhŸNh NubjÚ)”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œentries”]”(jæŒ tty_port_tty_wakeup (C function)”Œc.tty_port_tty_wakeup”hNt”auh1jÙhj#hžhhŸNh Nubjë)”}”(hhh]”(jð)”}”(hŒ0void tty_port_tty_wakeup (struct tty_port *port)”h]”jö)”}”(hŒ/void tty_port_tty_wakeup(struct tty_port *port)”h]”(jü)”}”(hŒvoid”h]”hŒvoid”…””}”(hj%hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1jûhj%hžhhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:45: ./drivers/tty/tty_port.c”h M±ubj)”}”(hŒ ”h]”hŒ ”…””}”(hj'%hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj%hžhhŸj&%h M±ubj)”}”(hŒtty_port_tty_wakeup”h]”j%)”}”(hŒtty_port_tty_wakeup”h]”hŒtty_port_tty_wakeup”…””}”(hj9%hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj5%ubah}”(h]”h ]”(j8j9eh"]”h$]”h&]”h±h²uh1jhj%hžhhŸj&%h M±ubj>)”}”(hŒ(struct tty_port *port)”h]”jD)”}”(hŒstruct tty_port *port”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hjU%hžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhjQ%ubj)”}”(hŒ ”h]”hŒ ”…””}”(hjb%hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjQ%ubh)”}”(hhh]”j%)”}”(hŒtty_port”h]”hŒtty_port”…””}”(hjs%hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjp%ubah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”jŒreftype”jŒ reftarget”ju%Œmodname”NŒ classname”Nj…jˆ)”}”j‹]”jŽ)”}”jj;%sbŒc.tty_port_tty_wakeup”†”asbuh1hhjQ%ubj)”}”(hŒ ”h]”hŒ ”…””}”(hj“%hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjQ%ubj¢)”}”(hj¥h]”hŒ*”…””}”(hj¡%hžhhŸNh Nubah}”(h]”h ]”j®ah"]”h$]”h&]”uh1j¡hjQ%ubj%)”}”(hŒport”h]”hŒport”…””}”(hj®%hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjQ%ubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChjM%ubah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j=hj%hžhhŸj&%h M±ubeh}”(h]”h ]”h"]”h$]”h&]”h±h²jÓˆuh1jõjÔjÕhj%hžhhŸj&%h M±ubah}”(h]”j%ah ]”(jÙjÚeh"]”h$]”h&]”jÞˆjß)jàhuh1jïhŸj&%h M±hj %hžhubjâ)”}”(hhh]”hÙ)”}”(hŒhelper to wake up a tty”h]”hŒhelper to wake up a tty”…””}”(hjØ%hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:45: ./drivers/tty/tty_port.c”h M®hjÕ%hžhubah}”(h]”h ]”h"]”h$]”h&]”uh1jáhj %hžhhŸj&%h M±ubeh}”(h]”h ]”(jŒfunction”eh"]”h$]”h&]”jjjjð%jjð%j‰j‰j‰uh1jêhžhhj#hŸNh Nubj )”}”(hŒ4**Parameters** ``struct tty_port *port`` tty port”h]”(hÙ)”}”(hŒ**Parameters**”h]”j)”}”(hjú%h]”hŒ Parameters”…””}”(hjü%hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjø%ubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:45: ./drivers/tty/tty_port.c”h M²hjô%ubj))”}”(hhh]”j.)”}”(hŒ"``struct tty_port *port`` tty port”h]”(j4)”}”(hŒ``struct tty_port *port``”h]”j)”}”(hj&h]”hŒstruct tty_port *port”…””}”(hj&hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj&ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:45: ./drivers/tty/tty_port.c”h M´hj&ubjN)”}”(hhh]”hÙ)”}”(hŒtty port”h]”hŒtty port”…””}”(hj2&hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:45: ./drivers/tty/tty_port.c”h M¯hj/&ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhj&ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj.&h M´hj&ubah}”(h]”h ]”h"]”h$]”h&]”uh1j(hjô%ubeh}”(h]”h ]”Œkernelindent”ah"]”h$]”h&]”uh1jhj#hžhhŸNh Nubeh}”(h]”jsah ]”h"]”Œtty helpers”ah$]”h&]”uh1h´hj·hžhhŸh³h K+ubhµ)”}”(hhh]”(hº)”}”(hŒ Modem Signals”h]”hŒ Modem Signals”…””}”(hjd&hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”j—juh1h¹hja&hžhhŸh³h K2ubjÚ)”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œentries”]”(jæŒ$tty_port_carrier_raised (C function)”Œc.tty_port_carrier_raised”hNt”auh1jÙhja&hžhhŸNh Nubjë)”}”(hhh]”(jð)”}”(hŒ4bool tty_port_carrier_raised (struct tty_port *port)”h]”jö)”}”(hŒ3bool tty_port_carrier_raised(struct tty_port *port)”h]”(jü)”}”(hjî#h]”hŒbool”…””}”(hj‹&hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1jûhj‡&hžhhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:52: ./drivers/tty/tty_port.c”h M¿ubj)”}”(hŒ ”h]”hŒ ”…””}”(hj™&hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj‡&hžhhŸj˜&h M¿ubj)”}”(hŒtty_port_carrier_raised”h]”j%)”}”(hŒtty_port_carrier_raised”h]”hŒtty_port_carrier_raised”…””}”(hj«&hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj§&ubah}”(h]”h ]”(j8j9eh"]”h$]”h&]”h±h²uh1jhj‡&hžhhŸj˜&h M¿ubj>)”}”(hŒ(struct tty_port *port)”h]”jD)”}”(hŒstruct tty_port *port”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hjÇ&hžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhjÃ&ubj)”}”(hŒ ”h]”hŒ ”…””}”(hjÔ&hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjÃ&ubh)”}”(hhh]”j%)”}”(hŒtty_port”h]”hŒtty_port”…””}”(hjå&hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjâ&ubah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”jŒreftype”jŒ reftarget”jç&Œmodname”NŒ classname”Nj…jˆ)”}”j‹]”jŽ)”}”jj&sbŒc.tty_port_carrier_raised”†”asbuh1hhjÃ&ubj)”}”(hŒ ”h]”hŒ ”…””}”(hj'hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjÃ&ubj¢)”}”(hj¥h]”hŒ*”…””}”(hj'hžhhŸNh Nubah}”(h]”h ]”j®ah"]”h$]”h&]”uh1j¡hjÃ&ubj%)”}”(hŒport”h]”hŒport”…””}”(hj 'hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjÃ&ubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChj¿&ubah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j=hj‡&hžhhŸj˜&h M¿ubeh}”(h]”h ]”h"]”h$]”h&]”h±h²jÓˆuh1jõjÔjÕhjƒ&hžhhŸj˜&h M¿ubah}”(h]”j~&ah ]”(jÙjÚeh"]”h$]”h&]”jÞˆjß)jàhuh1jïhŸj˜&h M¿hj€&hžhubjâ)”}”(hhh]”hÙ)”}”(hŒcarrier raised check”h]”hŒcarrier raised check”…””}”(hjJ'hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:52: ./drivers/tty/tty_port.c”h M¸hjG'hžhubah}”(h]”h ]”h"]”h$]”h&]”uh1jáhj€&hžhhŸj˜&h M¿ubeh}”(h]”h ]”(jŒfunction”eh"]”h$]”h&]”jjjjb'jjb'j‰j‰j‰uh1jêhžhhja&hŸNh Nubj )”}”(hŒæ**Parameters** ``struct tty_port *port`` tty port **Description** Wrapper for the carrier detect logic. For the moment this is used to hide some internal details. This will eventually become entirely internal to the tty port.”h]”(hÙ)”}”(hŒ**Parameters**”h]”j)”}”(hjl'h]”hŒ Parameters”…””}”(hjn'hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjj'ubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:52: ./drivers/tty/tty_port.c”h M¼hjf'ubj))”}”(hhh]”j.)”}”(hŒ#``struct tty_port *port`` tty port ”h]”(j4)”}”(hŒ``struct tty_port *port``”h]”j)”}”(hj‹'h]”hŒstruct tty_port *port”…””}”(hj'hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj‰'ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:52: ./drivers/tty/tty_port.c”h M¹hj…'ubjN)”}”(hhh]”hÙ)”}”(hŒtty port”h]”hŒtty port”…””}”(hj¤'hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸj 'h M¹hj¡'ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhj…'ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj 'h M¹hj‚'ubah}”(h]”h ]”h"]”h$]”h&]”uh1j(hjf'ubhÙ)”}”(hŒ**Description**”h]”j)”}”(hjÆ'h]”hŒDescription”…””}”(hjÈ'hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjÄ'ubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:52: ./drivers/tty/tty_port.c”h M»hjf'ubhÙ)”}”(hŒŸWrapper for the carrier detect logic. For the moment this is used to hide some internal details. This will eventually become entirely internal to the tty port.”h]”hŒŸWrapper for the carrier detect logic. For the moment this is used to hide some internal details. This will eventually become entirely internal to the tty port.”…””}”(hjÜ'hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:52: ./drivers/tty/tty_port.c”h M»hjf'ubeh}”(h]”h ]”Œkernelindent”ah"]”h$]”h&]”uh1jhja&hžhhŸNh NubjÚ)”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œentries”]”(jæŒ#tty_port_raise_dtr_rts (C function)”Œc.tty_port_raise_dtr_rts”hNt”auh1jÙhja&hžhhŸNh Nubjë)”}”(hhh]”(jð)”}”(hŒ3void tty_port_raise_dtr_rts (struct tty_port *port)”h]”jö)”}”(hŒ2void tty_port_raise_dtr_rts(struct tty_port *port)”h]”(jü)”}”(hŒvoid”h]”hŒvoid”…””}”(hj(hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1jûhj(hžhhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:52: ./drivers/tty/tty_port.c”h MÏubj)”}”(hŒ ”h]”hŒ ”…””}”(hj(hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj(hžhhŸj(h MÏubj)”}”(hŒtty_port_raise_dtr_rts”h]”j%)”}”(hŒtty_port_raise_dtr_rts”h]”hŒtty_port_raise_dtr_rts”…””}”(hj,(hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj((ubah}”(h]”h ]”(j8j9eh"]”h$]”h&]”h±h²uh1jhj(hžhhŸj(h MÏubj>)”}”(hŒ(struct tty_port *port)”h]”jD)”}”(hŒstruct tty_port *port”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hjH(hžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhjD(ubj)”}”(hŒ ”h]”hŒ ”…””}”(hjU(hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjD(ubh)”}”(hhh]”j%)”}”(hŒtty_port”h]”hŒtty_port”…””}”(hjf(hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjc(ubah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”jŒreftype”jŒ reftarget”jh(Œmodname”NŒ classname”Nj…jˆ)”}”j‹]”jŽ)”}”jj.(sbŒc.tty_port_raise_dtr_rts”†”asbuh1hhjD(ubj)”}”(hŒ ”h]”hŒ ”…””}”(hj†(hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjD(ubj¢)”}”(hj¥h]”hŒ*”…””}”(hj”(hžhhŸNh Nubah}”(h]”h ]”j®ah"]”h$]”h&]”uh1j¡hjD(ubj%)”}”(hŒport”h]”hŒport”…””}”(hj¡(hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjD(ubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChj@(ubah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j=hj(hžhhŸj(h MÏubeh}”(h]”h ]”h"]”h$]”h&]”h±h²jÓˆuh1jõjÔjÕhj(hžhhŸj(h MÏubah}”(h]”jþ'ah ]”(jÙjÚeh"]”h$]”h&]”jÞˆjß)jàhuh1jïhŸj(h MÏhj(hžhubjâ)”}”(hhh]”hÙ)”}”(hŒ Raise DTR/RTS”h]”hŒ Raise DTR/RTS”…””}”(hjË(hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:52: ./drivers/tty/tty_port.c”h MÈhjÈ(hžhubah}”(h]”h ]”h"]”h$]”h&]”uh1jáhj(hžhhŸj(h MÏubeh}”(h]”h ]”(jŒfunction”eh"]”h$]”h&]”jjjjã(jjã(j‰j‰j‰uh1jêhžhhja&hŸNh Nubj )”}”(hŒå**Parameters** ``struct tty_port *port`` tty port **Description** Wrapper for the DTR/RTS raise logic. For the moment this is used to hide some internal details. This will eventually become entirely internal to the tty port.”h]”(hÙ)”}”(hŒ**Parameters**”h]”j)”}”(hjí(h]”hŒ Parameters”…””}”(hjï(hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjë(ubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:52: ./drivers/tty/tty_port.c”h MÌhjç(ubj))”}”(hhh]”j.)”}”(hŒ#``struct tty_port *port`` tty port ”h]”(j4)”}”(hŒ``struct tty_port *port``”h]”j)”}”(hj)h]”hŒstruct tty_port *port”…””}”(hj)hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj )ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:52: ./drivers/tty/tty_port.c”h MÉhj)ubjN)”}”(hhh]”hÙ)”}”(hŒtty port”h]”hŒtty port”…””}”(hj%)hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸj!)h MÉhj")ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhj)ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj!)h MÉhj)ubah}”(h]”h ]”h"]”h$]”h&]”uh1j(hjç(ubhÙ)”}”(hŒ**Description**”h]”j)”}”(hjG)h]”hŒDescription”…””}”(hjI)hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjE)ubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:52: ./drivers/tty/tty_port.c”h MËhjç(ubhÙ)”}”(hŒžWrapper for the DTR/RTS raise logic. For the moment this is used to hide some internal details. This will eventually become entirely internal to the tty port.”h]”hŒžWrapper for the DTR/RTS raise logic. For the moment this is used to hide some internal details. This will eventually become entirely internal to the tty port.”…””}”(hj])hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:52: ./drivers/tty/tty_port.c”h MËhjç(ubeh}”(h]”h ]”Œkernelindent”ah"]”h$]”h&]”uh1jhja&hžhhŸNh NubjÚ)”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œentries”]”(jæŒ#tty_port_lower_dtr_rts (C function)”Œc.tty_port_lower_dtr_rts”hNt”auh1jÙhja&hžhhŸNh Nubjë)”}”(hhh]”(jð)”}”(hŒ3void tty_port_lower_dtr_rts (struct tty_port *port)”h]”jö)”}”(hŒ2void tty_port_lower_dtr_rts(struct tty_port *port)”h]”(jü)”}”(hŒvoid”h]”hŒvoid”…””}”(hjŒ)hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1jûhjˆ)hžhhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:52: ./drivers/tty/tty_port.c”h MÞubj)”}”(hŒ ”h]”hŒ ”…””}”(hj›)hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjˆ)hžhhŸjš)h MÞubj)”}”(hŒtty_port_lower_dtr_rts”h]”j%)”}”(hŒtty_port_lower_dtr_rts”h]”hŒtty_port_lower_dtr_rts”…””}”(hj)hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hj©)ubah}”(h]”h ]”(j8j9eh"]”h$]”h&]”h±h²uh1jhjˆ)hžhhŸjš)h MÞubj>)”}”(hŒ(struct tty_port *port)”h]”jD)”}”(hŒstruct tty_port *port”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hjÉ)hžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhjÅ)ubj)”}”(hŒ ”h]”hŒ ”…””}”(hjÖ)hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjÅ)ubh)”}”(hhh]”j%)”}”(hŒtty_port”h]”hŒtty_port”…””}”(hjç)hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjä)ubah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”jŒreftype”jŒ reftarget”jé)Œmodname”NŒ classname”Nj…jˆ)”}”j‹]”jŽ)”}”jj¯)sbŒc.tty_port_lower_dtr_rts”†”asbuh1hhjÅ)ubj)”}”(hŒ ”h]”hŒ ”…””}”(hj*hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hjÅ)ubj¢)”}”(hj¥h]”hŒ*”…””}”(hj*hžhhŸNh Nubah}”(h]”h ]”j®ah"]”h$]”h&]”uh1j¡hjÅ)ubj%)”}”(hŒport”h]”hŒport”…””}”(hj"*hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjÅ)ubeh}”(h]”h ]”h"]”h$]”h&]”Œnoemph”ˆh±h²uh1jChjÁ)ubah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j=hjˆ)hžhhŸjš)h MÞubeh}”(h]”h ]”h"]”h$]”h&]”h±h²jÓˆuh1jõjÔjÕhj„)hžhhŸjš)h MÞubah}”(h]”j)ah ]”(jÙjÚeh"]”h$]”h&]”jÞˆjß)jàhuh1jïhŸjš)h MÞhj)hžhubjâ)”}”(hhh]”hÙ)”}”(hŒ Lower DTR/RTS”h]”hŒ Lower DTR/RTS”…””}”(hjL*hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:52: ./drivers/tty/tty_port.c”h M×hjI*hžhubah}”(h]”h ]”h"]”h$]”h&]”uh1jáhj)hžhhŸjš)h MÞubeh}”(h]”h ]”(jŒfunction”eh"]”h$]”h&]”jjjjd*jjd*j‰j‰j‰uh1jêhžhhja&hŸNh Nubj )”}”(hŒå**Parameters** ``struct tty_port *port`` tty port **Description** Wrapper for the DTR/RTS raise logic. For the moment this is used to hide some internal details. This will eventually become entirely internal to the tty port.”h]”(hÙ)”}”(hŒ**Parameters**”h]”j)”}”(hjn*h]”hŒ Parameters”…””}”(hjp*hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjl*ubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:52: ./drivers/tty/tty_port.c”h MÛhjh*ubj))”}”(hhh]”j.)”}”(hŒ#``struct tty_port *port`` tty port ”h]”(j4)”}”(hŒ``struct tty_port *port``”h]”j)”}”(hj*h]”hŒstruct tty_port *port”…””}”(hj*hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj‹*ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:52: ./drivers/tty/tty_port.c”h MØhj‡*ubjN)”}”(hhh]”hÙ)”}”(hŒtty port”h]”hŒtty port”…””}”(hj¦*hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸj¢*h MØhj£*ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhj‡*ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj¢*h MØhj„*ubah}”(h]”h ]”h"]”h$]”h&]”uh1j(hjh*ubhÙ)”}”(hŒ**Description**”h]”j)”}”(hjÈ*h]”hŒDescription”…””}”(hjÊ*hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjÆ*ubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:52: ./drivers/tty/tty_port.c”h MÚhjh*ubhÙ)”}”(hŒžWrapper for the DTR/RTS raise logic. For the moment this is used to hide some internal details. This will eventually become entirely internal to the tty port.”h]”hŒžWrapper for the DTR/RTS raise logic. For the moment this is used to hide some internal details. This will eventually become entirely internal to the tty port.”…””}”(hjÞ*hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ^/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:52: ./drivers/tty/tty_port.c”h MÚhjh*ubeh}”(h]”h ]”Œkernelindent”ah"]”h$]”h&]”uh1jhja&hžhhŸNh Nubeh}”(h]”j•ah ]”h"]”Œ modem signals”ah$]”h&]”uh1h´hj·hžhhŸh³h K2ubeh}”(h]”hîah ]”h"]”Œtty port functions”ah$]”h&]”uh1h´hh¶hžhhŸh³h KubhŒ transition”“”)”}”(hŒ----”h]”h}”(h]”h ]”h"]”h$]”h&]”uh1j+hŸh³h K8hh¶hžhubhµ)”}”(hhh]”(hº)”}”(hŒTTY Port Reference”h]”hŒTTY Port Reference”…””}”(hj+hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”j—j½uh1h¹hj+hžhhŸh³h K;ubjÚ)”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œentries”]”(jæŒtty_port (C struct)”Œ c.tty_port”hNt”auh1jÙhj+hžhhŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h Nubjë)”}”(hhh]”(jð)”}”(hŒtty_port”h]”jö)”}”(hŒstruct tty_port”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hj9+hžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhj5+hžhhŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h Kubj)”}”(hŒ ”h]”hŒ ”…””}”(hjG+hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj5+hžhhŸjF+h Kubj)”}”(hŒtty_port”h]”j%)”}”(hj3+h]”hŒtty_port”…””}”(hjY+hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjU+ubah}”(h]”h ]”(j8j9eh"]”h$]”h&]”h±h²uh1jhj5+hžhhŸjF+h Kubeh}”(h]”h ]”h"]”h$]”h&]”h±h²jÓˆuh1jõjÔjÕhj1+hžhhŸjF+h Kubah}”(h]”j++ah ]”(jÙjÚeh"]”h$]”h&]”jÞˆjß)jàhuh1jïhŸjF+h Khj.+hžhubjâ)”}”(hhh]”hÏ)”}”(hhh]”hÔ)”}”(hŒport level information”h]”hÙ)”}”(hj€+h]”hŒport level information”…””}”(hj‚+hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h K4hj~+ubah}”(h]”h ]”h"]”h$]”h&]”uh1hÓhj{+hžhhŸj+h Nubah}”(h]”h ]”h"]”h$]”h&]”jgjhuh1hÎhŸj+h K4hjx+hžhubah}”(h]”h ]”h"]”h$]”h&]”uh1jáhj.+hžhhŸjF+h Kubeh}”(h]”h ]”(jŒstruct”eh"]”h$]”h&]”jjjj¥+jj¥+j‰j‰j‰uh1jêhžhhj+hŸj-+h Nubj )”}”(hX® **Definition**:: struct tty_port { struct tty_bufhead buf; struct tty_struct *tty; struct tty_struct *itty; const struct tty_port_operations *ops; const struct tty_port_client_operations *client_ops; spinlock_t lock; int blocked_open; int count; wait_queue_head_t open_wait; wait_queue_head_t delta_msr_wait; unsigned long flags; unsigned long iflags; unsigned char console:1; struct mutex mutex; struct mutex buf_mutex; u8 *xmit_buf; u8 *xmit_fifo; unsigned int close_delay; unsigned int closing_wait; int drain_delay; struct kref kref; void *client_data; }; **Members** ``buf`` buffer for this port, locked internally ``tty`` back pointer to :c:type:`struct tty_struct `, valid only if the tty is open. Use tty_port_tty_get() to obtain it (and tty_kref_put() to release). ``itty`` internal back pointer to :c:type:`struct tty_struct `. Avoid this. It should be eliminated in the long term. ``ops`` tty port operations (like activate, shutdown), see :c:type:`struct tty_port_operations ` ``client_ops`` tty port client operations (like receive_buf, write_wakeup). By default, tty_port_default_client_ops is used. ``lock`` lock protecting **tty** ``blocked_open`` # of procs waiting for open in tty_port_block_til_ready() ``count`` usage count ``open_wait`` open waiters queue (waiting e.g. for a carrier) ``delta_msr_wait`` modem status change queue (waiting for MSR changes) ``flags`` user TTY flags (``ASYNC_``) ``iflags`` internal flags (``TTY_PORT_``) ``console`` when set, the port is a console ``mutex`` locking, for open, shutdown and other port operations ``buf_mutex`` **xmit_buf** alloc lock ``xmit_buf`` optional xmit buffer used by some drivers ``xmit_fifo`` optional xmit buffer used by some drivers ``close_delay`` delay in jiffies to wait when closing the port ``closing_wait`` delay in jiffies for output to be sent before closing ``drain_delay`` set to zero if no pure time based drain is needed else set to size of fifo ``kref`` references counter. Reaching zero calls **ops->destruct** if non-``NULL`` or frees the port otherwise. ``client_data`` pointer to private data, for **client_ops**”h]”(hÙ)”}”(hŒ**Definition**::”h]”(j)”}”(hŒ**Definition**”h]”hŒ Definition”…””}”(hj±+hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj+ubhŒ:”…””}”(hj+hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h K8hj©+ubhŒ literal_block”“”)”}”(hXÝstruct tty_port { struct tty_bufhead buf; struct tty_struct *tty; struct tty_struct *itty; const struct tty_port_operations *ops; const struct tty_port_client_operations *client_ops; spinlock_t lock; int blocked_open; int count; wait_queue_head_t open_wait; wait_queue_head_t delta_msr_wait; unsigned long flags; unsigned long iflags; unsigned char console:1; struct mutex mutex; struct mutex buf_mutex; u8 *xmit_buf; u8 *xmit_fifo; unsigned int close_delay; unsigned int closing_wait; int drain_delay; struct kref kref; void *client_data; };”•Eh]”hXÝstruct tty_port { struct tty_bufhead buf; struct tty_struct *tty; struct tty_struct *itty; const struct tty_port_operations *ops; const struct tty_port_client_operations *client_ops; spinlock_t lock; int blocked_open; int count; wait_queue_head_t open_wait; wait_queue_head_t delta_msr_wait; unsigned long flags; unsigned long iflags; unsigned char console:1; struct mutex mutex; struct mutex buf_mutex; u8 *xmit_buf; u8 *xmit_fifo; unsigned int close_delay; unsigned int closing_wait; int drain_delay; struct kref kref; void *client_data; };”…””}”hjÌ+sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1jÊ+hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h K:hj©+ubhÙ)”}”(hŒ**Members**”h]”j)”}”(hjÝ+h]”hŒMembers”…””}”(hjß+hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjÛ+ubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h KShj©+ubj))”}”(hhh]”(j.)”}”(hŒ0``buf`` buffer for this port, locked internally ”h]”(j4)”}”(hŒ``buf``”h]”j)”}”(hjü+h]”hŒbuf”…””}”(hjþ+hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjú+ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h K7hjö+ubjN)”}”(hhh]”hÙ)”}”(hŒ'buffer for this port, locked internally”h]”hŒ'buffer for this port, locked internally”…””}”(hj,hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸj,h K7hj,ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhjö+ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj,h K7hjó+ubj.)”}”(hŒ¦``tty`` back pointer to :c:type:`struct tty_struct `, valid only if the tty is open. Use tty_port_tty_get() to obtain it (and tty_kref_put() to release). ”h]”(j4)”}”(hŒ``tty``”h]”j)”}”(hj5,h]”hŒtty”…””}”(hj7,hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj3,ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h K9hj/,ubjN)”}”(hhh]”hÙ)”}”(hŒback pointer to :c:type:`struct tty_struct `, valid only if the tty is open. Use tty_port_tty_get() to obtain it (and tty_kref_put() to release).”h]”(hŒback pointer to ”…””}”(hjN,hžhhŸNh Nubh)”}”(hŒ(:c:type:`struct tty_struct `”h]”j)”}”(hjX,h]”hŒstruct tty_struct”…””}”(hjZ,hžhhŸNh Nubah}”(h]”h ]”(jjŒc-type”eh"]”h$]”h&]”uh1jhjV,ubah}”(h]”h ]”h"]”h$]”h&]”Œrefdoc”j'Œ refdomain”jŒreftype”Œtype”Œrefexplicit”ˆŒrefwarn”‰j…j°j-Œ tty_struct”uh1hhŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h K8hjN,ubhŒe, valid only if the tty is open. Use tty_port_tty_get() to obtain it (and tty_kref_put() to release).”…””}”(hjN,hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸju,h K8hjK,ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhj/,ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸjJ,h K9hjó+ubj.)”}”(hŒ‚``itty`` internal back pointer to :c:type:`struct tty_struct `. Avoid this. It should be eliminated in the long term. ”h]”(j4)”}”(hŒ``itty``”h]”j)”}”(hj’,h]”hŒitty”…””}”(hj”,hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj,ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h K;hjŒ,ubjN)”}”(hhh]”hÙ)”}”(hŒxinternal back pointer to :c:type:`struct tty_struct `. Avoid this. It should be eliminated in the long term.”h]”(hŒinternal back pointer to ”…””}”(hj«,hžhhŸNh Nubh)”}”(hŒ(:c:type:`struct tty_struct `”h]”j)”}”(hjµ,h]”hŒstruct tty_struct”…””}”(hj·,hžhhŸNh Nubah}”(h]”h ]”(jjŒc-type”eh"]”h$]”h&]”uh1jhj³,ubah}”(h]”h ]”h"]”h$]”h&]”Œrefdoc”j'Œ refdomain”jŒreftype”Œtype”Œrefexplicit”ˆŒrefwarn”‰j…j°j-Œ tty_struct”uh1hhŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h K:hj«,ubhŒ7. Avoid this. It should be eliminated in the long term.”…””}”(hj«,hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸjÒ,h K:hj¨,ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhjŒ,ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj§,h K;hjó+ubj.)”}”(hŒv``ops`` tty port operations (like activate, shutdown), see :c:type:`struct tty_port_operations ` ”h]”(j4)”}”(hŒ``ops``”h]”j)”}”(hjï,h]”hŒops”…””}”(hjñ,hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjí,ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h K=hjé,ubjN)”}”(hhh]”hÙ)”}”(hŒmtty port operations (like activate, shutdown), see :c:type:`struct tty_port_operations `”h]”(hŒ3tty port operations (like activate, shutdown), see ”…””}”(hj-hžhhŸNh Nubh)”}”(hŒ::c:type:`struct tty_port_operations `”h]”j)”}”(hj-h]”hŒstruct tty_port_operations”…””}”(hj-hžhhŸNh Nubah}”(h]”h ]”(jjŒc-type”eh"]”h$]”h&]”uh1jhj-ubah}”(h]”h ]”h"]”h$]”h&]”Œrefdoc”j'Œ refdomain”jŒreftype”Œtype”Œrefexplicit”ˆŒrefwarn”‰j…j°j-Œtty_port_operations”uh1hhŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h Khj^-ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhjB-ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj]-h K?hjó+ubj.)”}”(hŒ!``lock`` lock protecting **tty** ”h]”(j4)”}”(hŒ``lock``”h]”j)”}”(hj‚-h]”hŒlock”…””}”(hj„-hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj€-ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h K@hj|-ubjN)”}”(hhh]”hÙ)”}”(hŒlock protecting **tty**”h]”(hŒlock protecting ”…””}”(hj›-hžhhŸNh Nubj)”}”(hŒ**tty**”h]”hŒtty”…””}”(hj£-hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj›-ubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸj—-h K@hj˜-ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhj|-ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj—-h K@hjó+ubj.)”}”(hŒK``blocked_open`` # of procs waiting for open in tty_port_block_til_ready() ”h]”(j4)”}”(hŒ``blocked_open``”h]”j)”}”(hjÉ-h]”hŒblocked_open”…””}”(hjË-hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjÇ-ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h KAhjÃ-ubjN)”}”(hhh]”hÙ)”}”(hŒ9# of procs waiting for open in tty_port_block_til_ready()”h]”hŒ9# of procs waiting for open in tty_port_block_til_ready()”…””}”(hjâ-hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸjÞ-h KAhjß-ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhjÃ-ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸjÞ-h KAhjó+ubj.)”}”(hŒ``count`` usage count ”h]”(j4)”}”(hŒ ``count``”h]”j)”}”(hj.h]”hŒcount”…””}”(hj.hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj.ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h KBhjü-ubjN)”}”(hhh]”hÙ)”}”(hŒusage count”h]”hŒusage count”…””}”(hj.hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸj.h KBhj.ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhjü-ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj.h KBhjó+ubj.)”}”(hŒ>``open_wait`` open waiters queue (waiting e.g. for a carrier) ”h]”(j4)”}”(hŒ ``open_wait``”h]”j)”}”(hj;.h]”hŒ open_wait”…””}”(hj=.hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj9.ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h KChj5.ubjN)”}”(hhh]”hÙ)”}”(hŒ/open waiters queue (waiting e.g. for a carrier)”h]”hŒ/open waiters queue (waiting e.g. for a carrier)”…””}”(hjT.hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸjP.h KChjQ.ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhj5.ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸjP.h KChjó+ubj.)”}”(hŒG``delta_msr_wait`` modem status change queue (waiting for MSR changes) ”h]”(j4)”}”(hŒ``delta_msr_wait``”h]”j)”}”(hjt.h]”hŒdelta_msr_wait”…””}”(hjv.hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjr.ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h KDhjn.ubjN)”}”(hhh]”hÙ)”}”(hŒ3modem status change queue (waiting for MSR changes)”h]”hŒ3modem status change queue (waiting for MSR changes)”…””}”(hj.hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸj‰.h KDhjŠ.ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhjn.ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj‰.h KDhjó+ubj.)”}”(hŒ&``flags`` user TTY flags (``ASYNC_``) ”h]”(j4)”}”(hŒ ``flags``”h]”j)”}”(hj.h]”hŒflags”…””}”(hj¯.hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj«.ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h KEhj§.ubjN)”}”(hhh]”hÙ)”}”(hŒuser TTY flags (``ASYNC_``)”h]”(hŒuser TTY flags (”…””}”(hjÆ.hžhhŸNh Nubj)”}”(hŒ ``ASYNC_``”h]”hŒASYNC_”…””}”(hjÎ.hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjÆ.ubhŒ)”…””}”(hjÆ.hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸjÂ.h KEhjÃ.ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhj§.ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸjÂ.h KEhjó+ubj.)”}”(hŒ*``iflags`` internal flags (``TTY_PORT_``) ”h]”(j4)”}”(hŒ ``iflags``”h]”j)”}”(hjø.h]”hŒiflags”…””}”(hjú.hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjö.ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h KFhjò.ubjN)”}”(hhh]”hÙ)”}”(hŒinternal flags (``TTY_PORT_``)”h]”(hŒinternal flags (”…””}”(hj/hžhhŸNh Nubj)”}”(hŒ ``TTY_PORT_``”h]”hŒ TTY_PORT_”…””}”(hj/hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj/ubhŒ)”…””}”(hj/hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸj /h KFhj/ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhjò.ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj /h KFhjó+ubj.)”}”(hŒ,``console`` when set, the port is a console ”h]”(j4)”}”(hŒ``console``”h]”j)”}”(hjC/h]”hŒconsole”…””}”(hjE/hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjA/ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h KGhj=/ubjN)”}”(hhh]”hÙ)”}”(hŒwhen set, the port is a console”h]”hŒwhen set, the port is a console”…””}”(hj\/hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸjX/h KGhjY/ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhj=/ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸjX/h KGhjó+ubj.)”}”(hŒ@``mutex`` locking, for open, shutdown and other port operations ”h]”(j4)”}”(hŒ ``mutex``”h]”j)”}”(hj|/h]”hŒmutex”…””}”(hj~/hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjz/ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h KHhjv/ubjN)”}”(hhh]”hÙ)”}”(hŒ5locking, for open, shutdown and other port operations”h]”hŒ5locking, for open, shutdown and other port operations”…””}”(hj•/hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸj‘/h KHhj’/ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhjv/ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj‘/h KHhjó+ubj.)”}”(hŒ&``buf_mutex`` **xmit_buf** alloc lock ”h]”(j4)”}”(hŒ ``buf_mutex``”h]”j)”}”(hjµ/h]”hŒ buf_mutex”…””}”(hj·/hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj³/ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h KIhj¯/ubjN)”}”(hhh]”hÙ)”}”(hŒ**xmit_buf** alloc lock”h]”(j)”}”(hŒ**xmit_buf**”h]”hŒxmit_buf”…””}”(hjÒ/hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjÎ/ubhŒ alloc lock”…””}”(hjÎ/hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸjÊ/h KIhjË/ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhj¯/ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸjÊ/h KIhjó+ubj.)”}”(hŒ7``xmit_buf`` optional xmit buffer used by some drivers ”h]”(j4)”}”(hŒ``xmit_buf``”h]”j)”}”(hjü/h]”hŒxmit_buf”…””}”(hjþ/hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjú/ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h KJhjö/ubjN)”}”(hhh]”hÙ)”}”(hŒ)optional xmit buffer used by some drivers”h]”hŒ)optional xmit buffer used by some drivers”…””}”(hj0hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸj0h KJhj0ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhjö/ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj0h KJhjó+ubj.)”}”(hŒ8``xmit_fifo`` optional xmit buffer used by some drivers ”h]”(j4)”}”(hŒ ``xmit_fifo``”h]”j)”}”(hj50h]”hŒ xmit_fifo”…””}”(hj70hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj30ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h KKhj/0ubjN)”}”(hhh]”hÙ)”}”(hŒ)optional xmit buffer used by some drivers”h]”hŒ)optional xmit buffer used by some drivers”…””}”(hjN0hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸjJ0h KKhjK0ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhj/0ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸjJ0h KKhjó+ubj.)”}”(hŒ?``close_delay`` delay in jiffies to wait when closing the port ”h]”(j4)”}”(hŒ``close_delay``”h]”j)”}”(hjn0h]”hŒclose_delay”…””}”(hjp0hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjl0ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h KLhjh0ubjN)”}”(hhh]”hÙ)”}”(hŒ.delay in jiffies to wait when closing the port”h]”hŒ.delay in jiffies to wait when closing the port”…””}”(hj‡0hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸjƒ0h KLhj„0ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhjh0ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸjƒ0h KLhjó+ubj.)”}”(hŒG``closing_wait`` delay in jiffies for output to be sent before closing ”h]”(j4)”}”(hŒ``closing_wait``”h]”j)”}”(hj§0h]”hŒclosing_wait”…””}”(hj©0hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj¥0ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h KMhj¡0ubjN)”}”(hhh]”hÙ)”}”(hŒ5delay in jiffies for output to be sent before closing”h]”hŒ5delay in jiffies for output to be sent before closing”…””}”(hjÀ0hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸj¼0h KMhj½0ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhj¡0ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj¼0h KMhjó+ubj.)”}”(hŒ[``drain_delay`` set to zero if no pure time based drain is needed else set to size of fifo ”h]”(j4)”}”(hŒ``drain_delay``”h]”j)”}”(hjà0h]”hŒdrain_delay”…””}”(hjâ0hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjÞ0ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h KOhjÚ0ubjN)”}”(hhh]”hÙ)”}”(hŒJset to zero if no pure time based drain is needed else set to size of fifo”h]”hŒJset to zero if no pure time based drain is needed else set to size of fifo”…””}”(hjù0hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h KNhjö0ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhjÚ0ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸjõ0h KOhjó+ubj.)”}”(hŒt``kref`` references counter. Reaching zero calls **ops->destruct** if non-``NULL`` or frees the port otherwise. ”h]”(j4)”}”(hŒ``kref``”h]”j)”}”(hj1h]”hŒkref”…””}”(hj1hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj1ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h KQhj1ubjN)”}”(hhh]”hÙ)”}”(hŒjreferences counter. Reaching zero calls **ops->destruct** if non-``NULL`` or frees the port otherwise.”h]”(hŒ(references counter. Reaching zero calls ”…””}”(hj31hžhhŸNh Nubj)”}”(hŒ**ops->destruct**”h]”hŒops->destruct()”…””}”(hj;1hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj31ubhŒ if non-”…””}”(hj31hžhhŸNh Nubj)”}”(hŒ``NULL``”h]”hŒNULL”…””}”(hjM1hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj31ubhŒ or frees the port otherwise.”…””}”(hj31hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h KPhj01ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhj1ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj/1h KQhjó+ubj.)”}”(hŒ;``client_data`` pointer to private data, for **client_ops**”h]”(j4)”}”(hŒ``client_data``”h]”j)”}”(hjx1h]”hŒclient_data”…””}”(hjz1hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjv1ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h KQhjr1ubjN)”}”(hhh]”hÙ)”}”(hŒ+pointer to private data, for **client_ops**”h]”(hŒpointer to private data, for ”…””}”(hj‘1hžhhŸNh Nubj)”}”(hŒ**client_ops**”h]”hŒ client_ops”…””}”(hj™1hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj‘1ubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h KRhjŽ1ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhjr1ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj1h KQhjó+ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j(hj©+ubeh}”(h]”h ]”Œkernelindent”ah"]”h$]”h&]”uh1jhj+hžhhŸj-+h NubhÙ)”}”(hŒ**Description**”h]”j)”}”(hjÉ1h]”hŒDescription”…””}”(hjË1hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjÇ1ubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h KUhj+hžhubhÙ)”}”(hŒòEach device keeps its own port level information. :c:type:`struct tty_port ` was introduced as a common structure for such information. As every TTY device shall have a backing tty_port structure, every driver can use these members.”h]”(hŒ2Each device keeps its own port level information. ”…””}”(hjß1hžhhŸNh Nubh)”}”(hŒ$:c:type:`struct tty_port `”h]”j)”}”(hjé1h]”hŒstruct tty_port”…””}”(hjë1hžhhŸNh Nubah}”(h]”h ]”(jjŒc-type”eh"]”h$]”h&]”uh1jhjç1ubah}”(h]”h ]”h"]”h$]”h&]”Œrefdoc”j'Œ refdomain”jŒreftype”Œtype”Œrefexplicit”ˆŒrefwarn”‰j…j°j-Œtty_port”uh1hhŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h KShjß1ubhŒœ was introduced as a common structure for such information. As every TTY device shall have a backing tty_port structure, every driver can use these members.”…””}”(hjß1hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸj2h KShj+hžhubhÙ)”}”(hXThe tty port has a different lifetime to the tty so must be kept apart. In addition be careful as tty -> port mappings are valid for the life of the tty object but in many cases port -> tty mappings are valid only until a hangup so don't use the wrong path.”h]”hXThe tty port has a different lifetime to the tty so must be kept apart. In addition be careful as tty -> port mappings are valid for the life of the tty object but in many cases port -> tty mappings are valid only until a hangup so donâ€™t use the wrong path.”…””}”(hj2hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h KWhj+hžhubhÙ)”}”(hŒ”Tty port shall be initialized by tty_port_init() and shut down either by tty_port_destroy() (refcounting not used), or tty_port_put() (refcounting).”h]”hŒ”Tty port shall be initialized by tty_port_init() and shut down either by tty_port_destroy() (refcounting not used), or tty_port_put() (refcounting).”…””}”(hj 2hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h K\hj+hžhubhÙ)”}”(hX8There is a lot of helpers around :c:type:`struct tty_port ` too. To name the most significant ones: tty_port_open(), tty_port_close() (or tty_port_close_start() and tty_port_close_end() separately if need be), and tty_port_hangup(). These call **ops->activate** and **ops->shutdown** as needed.”h]”(hŒ!There is a lot of helpers around ”…””}”(hj/2hžhhŸNh Nubh)”}”(hŒ$:c:type:`struct tty_port `”h]”j)”}”(hj92h]”hŒstruct tty_port”…””}”(hj;2hžhhŸNh Nubah}”(h]”h ]”(jjŒc-type”eh"]”h$]”h&]”uh1jhj72ubah}”(h]”h ]”h"]”h$]”h&]”Œrefdoc”j'Œ refdomain”jŒreftype”Œtype”Œrefexplicit”ˆŒrefwarn”‰j…j°j-Œtty_port”uh1hhŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:61: ./include/linux/tty_port.h”h K_hj/2ubhŒ¹ too. To name the most significant ones: tty_port_open(), tty_port_close() (or tty_port_close_start() and tty_port_close_end() separately if need be), and tty_port_hangup(). These call ”…””}”(hj/2hžhhŸNh Nubj)”}”(hŒ**ops->activate**”h]”hŒops->activate()”…””}”(hj[2hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj/2ubhŒ and ”…””}”(hj/2hžhhŸNh Nubj)”}”(hŒ**ops->shutdown**”h]”hŒops->shutdown()”…””}”(hjm2hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj/2ubhŒ as needed.”…””}”(hj/2hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸjV2h K_hj+hžhubeh}”(h]”jÃah ]”h"]”Œtty port reference”ah$]”h&]”uh1h´hh¶hžhhŸh³h K;Œ referenced”Kubj+)”}”(hŒ----”h]”h}”(h]”h ]”h"]”h$]”h&]”uh1j+hŸh³h K@hh¶hžhubhµ)”}”(hhh]”(hº)”}”(hŒTTY Port Operations Reference”h]”hŒTTY Port Operations Reference”…””}”(hjš2hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”j—jßuh1h¹hj—2hžhhŸh³h KCubjÚ)”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œentries”]”(jæŒtty_port_operations (C struct)”Œc.tty_port_operations”hNt”auh1jÙhj—2hžhhŸNh Nubjë)”}”(hhh]”(jð)”}”(hŒtty_port_operations”h]”jö)”}”(hŒstruct tty_port_operations”h]”(jJ)”}”(hjMh]”hŒstruct”…””}”(hjÁ2hžhhŸNh Nubah}”(h]”h ]”jVah"]”h$]”h&]”uh1jIhj½2hžhhŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:69: ./include/linux/tty_port.h”h Kubj)”}”(hŒ ”h]”hŒ ”…””}”(hjÏ2hžhhŸNh Nubah}”(h]”h ]”jah"]”h$]”h&]”uh1j hj½2hžhhŸjÎ2h Kubj)”}”(hŒtty_port_operations”h]”j%)”}”(hj»2h]”hŒtty_port_operations”…””}”(hjá2hžhhŸNh Nubah}”(h]”h ]”j1ah"]”h$]”h&]”uh1j$hjÝ2ubah}”(h]”h ]”(j8j9eh"]”h$]”h&]”h±h²uh1jhj½2hžhhŸjÎ2h Kubeh}”(h]”h ]”h"]”h$]”h&]”h±h²jÓˆuh1jõjÔjÕhj¹2hžhhŸjÎ2h Kubah}”(h]”j´2ah ]”(jÙjÚeh"]”h$]”h&]”jÞˆjß)jàhuh1jïhŸjÎ2h Khj¶2hžhubjâ)”}”(hhh]”hÏ)”}”(hhh]”hÔ)”}”(hŒoperations on tty_port”h]”hÙ)”}”(hj3h]”hŒoperations on tty_port”…””}”(hj 3hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:69: ./include/linux/tty_port.h”h Khj3ubah}”(h]”h ]”h"]”h$]”h&]”uh1hÓhj3hžhhŸj3h Nubah}”(h]”h ]”h"]”h$]”h&]”jgjhuh1hÎhŸj3h Khj3hžhubah}”(h]”h ]”h"]”h$]”h&]”uh1jáhj¶2hžhhŸjÎ2h Kubeh}”(h]”h ]”(jŒstruct”eh"]”h$]”h&]”jjjj-3jj-3j‰j‰j‰uh1jêhžhhj—2hŸNh Nubj )”}”(hX#**Definition**:: struct tty_port_operations { bool (*carrier_raised)(struct tty_port *port); void (*dtr_rts)(struct tty_port *port, bool active); void (*shutdown)(struct tty_port *port); int (*activate)(struct tty_port *port, struct tty_struct *tty); void (*destruct)(struct tty_port *port); }; **Members** ``carrier_raised`` return true if the carrier is raised on **port** ``dtr_rts`` raise the DTR line if **active** is true, otherwise lower DTR ``shutdown`` called when the last close completes or a hangup finishes IFF the port was initialized. Do not use to free resources. Turn off the device only. Called under the port mutex to serialize against **activate** and **shutdown**. ``activate`` called under the port mutex from tty_port_open(), serialized using the port mutex. Supposed to turn on the device. FIXME: long term getting the tty argument *out* of this would be good for consoles. ``destruct`` called on the final put of a port. Free resources, possibly incl. the port itself.”h]”(hÙ)”}”(hŒ**Definition**::”h]”(j)”}”(hŒ**Definition**”h]”hŒ Definition”…””}”(hj93hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj53ubhŒ:”…””}”(hj53hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:69: ./include/linux/tty_port.h”h Khj13ubjË+)”}”(hX)struct tty_port_operations { bool (*carrier_raised)(struct tty_port *port); void (*dtr_rts)(struct tty_port *port, bool active); void (*shutdown)(struct tty_port *port); int (*activate)(struct tty_port *port, struct tty_struct *tty); void (*destruct)(struct tty_port *port); };”h]”hX)struct tty_port_operations { bool (*carrier_raised)(struct tty_port *port); void (*dtr_rts)(struct tty_port *port, bool active); void (*shutdown)(struct tty_port *port); int (*activate)(struct tty_port *port, struct tty_struct *tty); void (*destruct)(struct tty_port *port); };”…””}”hjR3sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1jÊ+hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:69: ./include/linux/tty_port.h”h Khj13ubhÙ)”}”(hŒ**Members**”h]”j)”}”(hjc3h]”hŒMembers”…””}”(hje3hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhja3ubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:69: ./include/linux/tty_port.h”h Khj13ubj))”}”(hhh]”(j.)”}”(hŒD``carrier_raised`` return true if the carrier is raised on **port** ”h]”(j4)”}”(hŒ``carrier_raised``”h]”j)”}”(hj‚3h]”hŒcarrier_raised”…””}”(hj„3hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj€3ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:69: ./include/linux/tty_port.h”h Khj|3ubjN)”}”(hhh]”hÙ)”}”(hŒ0return true if the carrier is raised on **port**”h]”(hŒ(return true if the carrier is raised on ”…””}”(hj›3hžhhŸNh Nubj)”}”(hŒ**port**”h]”hŒport”…””}”(hj£3hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj›3ubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸj—3h Khj˜3ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhj|3ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj—3h Khjy3ubj.)”}”(hŒJ``dtr_rts`` raise the DTR line if **active** is true, otherwise lower DTR ”h]”(j4)”}”(hŒ``dtr_rts``”h]”j)”}”(hjÉ3h]”hŒdtr_rts”…””}”(hjË3hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjÇ3ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:69: ./include/linux/tty_port.h”h KhjÃ3ubjN)”}”(hhh]”hÙ)”}”(hŒ=raise the DTR line if **active** is true, otherwise lower DTR”h]”(hŒraise the DTR line if ”…””}”(hjâ3hžhhŸNh Nubj)”}”(hŒ **active**”h]”hŒactive”…””}”(hjê3hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjâ3ubhŒ is true, otherwise lower DTR”…””}”(hjâ3hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸjÞ3h Khjß3ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhjÃ3ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸjÞ3h Khjy3ubj.)”}”(hŒí``shutdown`` called when the last close completes or a hangup finishes IFF the port was initialized. Do not use to free resources. Turn off the device only. Called under the port mutex to serialize against **activate** and **shutdown**. ”h]”(j4)”}”(hŒ``shutdown``”h]”j)”}”(hj4h]”hŒshutdown”…””}”(hj4hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj4ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:69: ./include/linux/tty_port.h”h Khj4ubjN)”}”(hhh]”hÙ)”}”(hŒßcalled when the last close completes or a hangup finishes IFF the port was initialized. Do not use to free resources. Turn off the device only. Called under the port mutex to serialize against **activate** and **shutdown**.”h]”(hŒÁcalled when the last close completes or a hangup finishes IFF the port was initialized. Do not use to free resources. Turn off the device only. Called under the port mutex to serialize against ”…””}”(hj-4hžhhŸNh Nubj)”}”(hŒ**activate**”h]”hŒactivate”…””}”(hj54hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj-4ubhŒ and ”…””}”(hj-4hžhhŸNh Nubj)”}”(hŒ**shutdown**”h]”hŒshutdown”…””}”(hjG4hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhj-4ubhŒ.”…””}”(hj-4hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:69: ./include/linux/tty_port.h”h Khj*4ubah}”(h]”h ]”h"]”h$]”h&]”uh1jMhj4ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj)4h Khjy3ubj.)”}”(hŒÕ``activate`` called under the port mutex from tty_port_open(), serialized using the port mutex. Supposed to turn on the device. FIXME: long term getting the tty argument *out* of this would be good for consoles. ”h]”(j4)”}”(hŒ``activate``”h]”j)”}”(hjr4h]”hŒactivate”…””}”(hjt4hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjp4ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:69: ./include/linux/tty_port.h”h Khjl4ubjN)”}”(hhh]”(hÙ)”}”(hŒrcalled under the port mutex from tty_port_open(), serialized using the port mutex. Supposed to turn on the device.”h]”hŒrcalled under the port mutex from tty_port_open(), serialized using the port mutex. Supposed to turn on the device.”…””}”(hj‹4hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:69: ./include/linux/tty_port.h”h Khjˆ4ubhÙ)”}”(hŒSFIXME: long term getting the tty argument *out* of this would be good for consoles.”h]”(hŒ*FIXME: long term getting the tty argument ”…””}”(hjš4hžhhŸNh NubhŒemphasis”“”)”}”(hŒ*out*”h]”hŒout”…””}”(hj¤4hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1j¢4hjš4ubhŒ$ of this would be good for consoles.”…””}”(hjš4hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hØhŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:69: ./include/linux/tty_port.h”h Khjˆ4ubeh}”(h]”h ]”h"]”h$]”h&]”uh1jMhjl4ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j-hŸj‡4h Khjy3ubj.)”}”(hŒ_``destruct`` called on the final put of a port. Free resources, possibly incl. the port itself.”h]”(j4)”}”(hŒ``destruct``”h]”j)”}”(hjÏ4h]”hŒdestruct”…””}”(hjÑ4hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jhjÍ4ubah}”(h]”h ]”h"]”h$]”h&]”uh1j3hŸŒ`/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_port:69: ./include/linux/tty_port.h”h KhjÉ4ubjN)”}”(hhh]”hÙ)”}”(hŒRcalled on the final put of a port. Free resources, possibly incl. the port itself.”h]”hŒRcalled on the final put of a port. 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