sphinx.addnodesdocument)}( rawsourcechildren]( translations LanguagesNode)}(hhh](h pending_xref)}(hhh]docutils.nodesTextChinese (Simplified)}parenthsba attributes}(ids]classes]names]dupnames]backrefs] refdomainstdreftypedoc reftarget-/translations/zh_CN/driver-api/tty/tty_buffermodnameN classnameN refexplicitutagnamehhh ubh)}(hhh]hChinese (Traditional)}hh2sbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget-/translations/zh_TW/driver-api/tty/tty_buffermodnameN classnameN refexplicituh1hhh ubh)}(hhh]hItalian}hhFsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget-/translations/it_IT/driver-api/tty/tty_buffermodnameN classnameN refexplicituh1hhh ubh)}(hhh]hJapanese}hhZsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget-/translations/ja_JP/driver-api/tty/tty_buffermodnameN classnameN refexplicituh1hhh ubh)}(hhh]hKorean}hhnsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget-/translations/ko_KR/driver-api/tty/tty_buffermodnameN classnameN refexplicituh1hhh ubh)}(hhh]hSpanish}hhsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget-/translations/sp_SP/driver-api/tty/tty_buffermodnameN classnameN refexplicituh1hhh ubeh}(h]h ]h"]h$]h&]current_languageEnglishuh1h hh _documenthsourceNlineNubhcomment)}(h SPDX-License-Identifier: GPL-2.0h]h SPDX-License-Identifier: GPL-2.0}hhsbah}(h]h ]h"]h$]h&] xml:spacepreserveuh1hhhhhhG/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer.rsthKubhsection)}(hhh](htitle)}(h TTY Bufferh]h TTY Buffer}(hhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhhhhhKubhtopic)}(hhh]h bullet_list)}(hhh](h list_item)}(hhh]h paragraph)}(hhh]h reference)}(hhh]hFlip Buffer Management}(hhhhhNhNubah}(h]id1ah ]h"]h$]h&]refidflip-buffer-managementuh1hhhubah}(h]h ]h"]h$]h&]uh1hhhubah}(h]h ]h"]h$]h&]uh1hhhubh)}(hhh]h)}(hhh]h)}(hhh]hOther Functions}(hjhhhNhNubah}(h]id2ah ]h"]h$]h&]refidother-functionsuh1hhhubah}(h]h ]h"]h$]h&]uh1hhhubah}(h]h ]h"]h$]h&]uh1hhhubh)}(hhh]h)}(hhh]h)}(hhh]hBuffer Locking}(hj#hhhNhNubah}(h]id3ah ]h"]h$]h&]refidbuffer-lockinguh1hhj ubah}(h]h ]h"]h$]h&]uh1hhjubah}(h]h ]h"]h$]h&]uh1hhhubh)}(hhh]h)}(hhh]h)}(hhh]hInternal Functions}(hjEhhhNhNubah}(h]id4ah ]h"]h$]h&]refidinternal-functionsuh1hhjBubah}(h]h ]h"]h$]h&]uh1hhj?ubah}(h]h ]h"]h$]h&]uh1hhhubeh}(h]h ]h"]h$]h&]uh1hhhhhhNhNubah}(h]contentsah ](contentslocaleh"]contentsah$]h&]uh1hhhhKhhhhubh)}(hX Here, we document functions for taking care of tty buffer and their flipping. 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There is no guarantee the buffer is a DMA target!h]hThis is used for drivers that need their own block copy routines into the buffer. There is no guarantee the buffer is a DMA target!}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:17: ./drivers/tty/tty_buffer.chM\hjubh)}(h **Return**h]j)}(hjh]hReturn}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:17: ./drivers/tty/tty_buffer.chM_hjubh)}(hthe length available and buffer pointer (**chars**) to the space which is now allocated and accounted for as ready for normal characters.h](h)the length available and buffer pointer (}(hjhhhNhNubj)}(h **chars**h]hchars}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubhW) to the space which is now allocated and accounted for as ready for normal characters.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:17: ./drivers/tty/tty_buffer.chM_hjubeh}(h]h ] kernelindentah"]h$]h&]uh1jhjhhhNhNubj)}(hhh]h}(h]h ]h"]h$]h&]entries](j"tty_ldisc_receive_buf (C function)c.tty_ldisc_receive_bufhNtauh1jhjhhhNhNubj)}(hhh](j)}(h[size_t tty_ldisc_receive_buf (struct tty_ldisc *ld, const u8 *p, const u8 *f, size_t count)h]j)}(hZsize_t tty_ldisc_receive_buf(struct tty_ldisc *ld, const u8 *p, const u8 *f, size_t count)h](h)}(hhh]j)}(hsize_th]hsize_t}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&] refdomainjreftypej reftargetjmodnameN classnameNjj)}j]j)}jtty_ldisc_receive_bufsbc.tty_ldisc_receive_bufasbuh1hhj hhhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:17: ./drivers/tty/tty_buffer.chMubj)}(h h]h }(hj6hhhNhNubah}(h]h ]jah"]h$]h&]uh1j hj hhhj5hMubj)}(htty_ldisc_receive_bufh]j)}(hj2h]htty_ldisc_receive_buf}(hjHhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjDubah}(h]h ](j4j5eh"]h$]h&]hhuh1jhj hhhj5hMubj:)}(h>(struct tty_ldisc *ld, const u8 *p, const u8 *f, size_t count)h](j@)}(hstruct tty_ldisc *ldh](jF)}(hjIh]hstruct}(hjchhhNhNubah}(h]h ]jRah"]h$]h&]uh1jEhj_ubj)}(h h]h }(hjphhhNhNubah}(h]h ]jah"]h$]h&]uh1j hj_ubh)}(hhh]j)}(h tty_ldisch]h tty_ldisc}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj~ubah}(h]h ]h"]h$]h&] refdomainjreftypej reftargetjmodnameN classnameNjj)}j]j0c.tty_ldisc_receive_bufasbuh1hhj_ubj)}(h h]h }(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1j hj_ubj)}(hjh]h*}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj_ubj)}(hldh]hld}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj_ubeh}(h]h ]h"]h$]h&]noemphhhuh1j?hj[ubj@)}(h const u8 *ph](jF)}(hconsth]hconst}(hjhhhNhNubah}(h]h ]jRah"]h$]h&]uh1jEhjubj)}(h h]h }(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1j hjubh)}(hhh]j)}(hu8h]hu8}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&] refdomainjreftypej reftargetjmodnameN classnameNjj)}j]j0c.tty_ldisc_receive_bufasbuh1hhjubj)}(h h]h }(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1j hjubj)}(hjh]h*}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjubj)}(hjh]hp}(hj+hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]noemphhhuh1j?hj[ubj@)}(h const u8 *fh](jF)}(hjh]hconst}(hjChhhNhNubah}(h]h ]jRah"]h$]h&]uh1jEhj?ubj)}(h h]h }(hjPhhhNhNubah}(h]h ]jah"]h$]h&]uh1j hj?ubh)}(hhh]j)}(hu8h]hu8}(hjahhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj^ubah}(h]h ]h"]h$]h&] refdomainjreftypej reftargetjcmodnameN classnameNjj)}j]j0c.tty_ldisc_receive_bufasbuh1hhj?ubj)}(h h]h }(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1j hj?ubj)}(hjh]h*}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj?ubj)}(hfh]hf}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj?ubeh}(h]h ]h"]h$]h&]noemphhhuh1j?hj[ubj@)}(h size_t counth](h)}(hhh]j)}(hsize_th]hsize_t}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&] refdomainjreftypej reftargetjmodnameN classnameNjj)}j]j0c.tty_ldisc_receive_bufasbuh1hhjubj)}(h h]h }(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1j hjubj)}(hcounth]hcount}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]noemphhhuh1j?hj[ubeh}(h]h ]h"]h$]h&]hhuh1j9hj hhhj5hMubeh}(h]h ]h"]h$]h&]hhjouh1jjpjqhj hhhj5hMubah}(h]jah ](jujveh"]h$]h&]jzj{)j|huh1jhj5hMhjhhubj~)}(hhh]h)}(hforward data to line disciplineh]hforward data to line discipline}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:17: ./drivers/tty/tty_buffer.chMthj hhubah}(h]h ]h"]h$]h&]uh1j}hjhhhj5hMubeh}(h]h ](jfunctioneh"]h$]h&]jjjj$jj$jjjuh1jhhhjhNhNubj)}(hX**Parameters** ``struct tty_ldisc *ld`` line discipline to process input ``const u8 *p`` char buffer ``const u8 *f`` ``TTY_NORMAL``, ``TTY_BREAK``, etc. flags buffer ``size_t count`` number of bytes to process **Description** Callers other than flush_to_ldisc() need to exclude the kworker from concurrent use of the line discipline, see paste_selection(). **Return** the number of bytes processed.h](h)}(h**Parameters**h]j)}(hj.h]h Parameters}(hj0hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj,ubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:17: ./drivers/tty/tty_buffer.chMxhj(ubj)}(hhh](j)}(h:``struct tty_ldisc *ld`` line discipline to process input h](j)}(h``struct tty_ldisc *ld``h]j)}(hjMh]hstruct tty_ldisc *ld}(hjOhhhNhNubah}(h]h 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./drivers/tty/tty_buffer.chMwhjubj)}(hhh]h)}(h0``TTY_NORMAL``, ``TTY_BREAK``, etc. flags bufferh](j)}(h``TTY_NORMAL``h]h TTY_NORMAL}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh, }(hjhhhNhNubj)}(h ``TTY_BREAK``h]h TTY_BREAK}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh, etc. flags buffer}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhjhMwhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhjhMwhjDubj)}(h,``size_t count`` number of bytes to process h](j)}(h``size_t count``h]j)}(hjh]h size_t count}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1jhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:17: ./drivers/tty/tty_buffer.chMxhjubj)}(hhh]h)}(hnumber of bytes to processh]hnumber of bytes to process}(hj1hhhNhNubah}(h]h ]h"]h$]h&]uh1hhj-hMxhj.ubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhj-hMxhjDubeh}(h]h ]h"]h$]h&]uh1jhj(ubh)}(h**Description**h]j)}(hjSh]h Description}(hjUhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjQubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:17: ./drivers/tty/tty_buffer.chMzhj(ubh)}(hCallers other than flush_to_ldisc() need to exclude the kworker from concurrent use of the line discipline, see paste_selection().h]hCallers other than flush_to_ldisc() need to exclude the kworker from concurrent use of the line discipline, see paste_selection().}(hjihhhNhNubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:17: ./drivers/tty/tty_buffer.chMzhj(ubh)}(h **Return**h]j)}(hjzh]hReturn}(hj|hhhNhNubah}(h]h ]h"]h$]h&]uh1jhjxubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:17: ./drivers/tty/tty_buffer.chM}hj(ubh)}(hthe number of bytes processed.h]hthe number of bytes processed.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:17: ./drivers/tty/tty_buffer.chM}hj(ubeh}(h]h ] kernelindentah"]h$]h&]uh1jhjhhhNhNubj)}(hhh]h}(h]h ]h"]h$]h&]entries](j!tty_flip_buffer_push (C function)c.tty_flip_buffer_pushhNtauh1jhjhhhNhNubj)}(hhh](j)}(h1void tty_flip_buffer_push (struct tty_port *port)h]j)}(h0void tty_flip_buffer_push(struct tty_port *port)h](hdesc_sig_keyword_type)}(hvoidh]hvoid}(hjhhhNhNubah}(h]h ]ktah"]h$]h&]uh1jhjhhhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:17: ./drivers/tty/tty_buffer.chMubj)}(h h]h }(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1j hjhhhjhMubj)}(htty_flip_buffer_pushh]j)}(htty_flip_buffer_pushh]htty_flip_buffer_push}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjubah}(h]h ](j4j5eh"]h$]h&]hhuh1jhjhhhjhMubj:)}(h(struct tty_port *port)h]j@)}(hstruct tty_port *porth](jF)}(hjIh]hstruct}(hjhhhNhNubah}(h]h ]jRah"]h$]h&]uh1jEhjubj)}(h h]h }(hj hhhNhNubah}(h]h ]jah"]h$]h&]uh1j hjubh)}(hhh]j)}(htty_porth]htty_port}(hj hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&] refdomainjreftypej reftargetj modnameN classnameNjj)}j]j)}jjsbc.tty_flip_buffer_pushasbuh1hhjubj)}(h h]h }(hj= hhhNhNubah}(h]h ]jah"]h$]h&]uh1j hjubj)}(hjh]h*}(hjK hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjubj)}(hporth]hport}(hjX hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]noemphhhuh1j?hjubah}(h]h ]h"]h$]h&]hhuh1j9hjhhhjhMubeh}(h]h ]h"]h$]h&]hhjouh1jjpjqhjhhhjhMubah}(h]jah ](jujveh"]h$]h&]jzj{)j|huh1jhjhMhjhhubj~)}(hhh]h)}(hpush terminal buffersh]hpush terminal buffers}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:17: ./drivers/tty/tty_buffer.chMhj hhubah}(h]h ]h"]h$]h&]uh1j}hjhhhjhMubeh}(h]h ](jfunctioneh"]h$]h&]jjjj jj jjjuh1jhhhjhNhNubj)}(hX**Parameters** ``struct tty_port *port`` tty port to push **Description** Queue a push of the terminal flip buffers to the line discipline. 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In the event of the queue being busy for flipping the work will be held off and retried later.h](h)}(h**Parameters**h]j)}(hj h]h Parameters}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:17: ./drivers/tty/tty_buffer.chM hj ubj)}(hhh]j)}(h+``struct tty_port *port`` tty port to push h](j)}(h``struct tty_port *port``h]j)}(hj h]hstruct tty_port *port}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]uh1jhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:17: ./drivers/tty/tty_buffer.chM hj ubj)}(hhh]h)}(htty port to pushh]htty port to push}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhj hM hj ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj hM hj ubah}(h]h ]h"]h$]h&]uh1jhj ubh)}(h**Description**h]j)}(hj h]h Description}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:17: ./drivers/tty/tty_buffer.chM hj ubh)}(hhQueue a push of the terminal flip buffers to the line discipline. Can be called from IRQ/atomic context.h]hhQueue a push of the terminal flip buffers to the line discipline. Can be called from IRQ/atomic context.}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:17: ./drivers/tty/tty_buffer.chM hj ubh)}(h^In the event of the queue being busy for flipping the work will be held off and retried later.h]h^In the event of the queue being busy for flipping the work will be held off and retried later.}(hj# hhhNhNubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:17: ./drivers/tty/tty_buffer.chMhj ubeh}(h]h ] kernelindentah"]h$]h&]uh1jhjhhhNhNubj)}(hhh]h}(h]h ]h"]h$]h&]entries](j.tty_insert_flip_string_fixed_flag (C function)#c.tty_insert_flip_string_fixed_flaghNtauh1jhjhhhNhNubj)}(hhh](j)}(hgsize_t tty_insert_flip_string_fixed_flag (struct tty_port *port, const u8 *chars, u8 flag, size_t size)h]j)}(hfsize_t tty_insert_flip_string_fixed_flag(struct tty_port *port, const u8 *chars, u8 flag, size_t size)h](h)}(hhh]j)}(hsize_th]hsize_t}(hjU hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjR ubah}(h]h ]h"]h$]h&] refdomainjreftypej reftargetjW modnameN classnameNjj)}j]j)}j!tty_insert_flip_string_fixed_flagsb#c.tty_insert_flip_string_fixed_flagasbuh1hhjN hhhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:21: ./include/linux/tty_flip.hhKubj)}(h h]h }(hjw hhhNhNubah}(h]h ]jah"]h$]h&]uh1j hjN hhhjv hKubj)}(h!tty_insert_flip_string_fixed_flagh]j)}(hjs h]h!tty_insert_flip_string_fixed_flag}(hj hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj ubah}(h]h ](j4j5eh"]h$]h&]hhuh1jhjN hhhjv hKubj:)}(h>(struct tty_port *port, const u8 *chars, u8 flag, size_t size)h](j@)}(hstruct tty_port *porth](jF)}(hjIh]hstruct}(hj hhhNhNubah}(h]h ]jRah"]h$]h&]uh1jEhj ubj)}(h h]h }(hj hhhNhNubah}(h]h ]jah"]h$]h&]uh1j hj ubh)}(hhh]j)}(htty_porth]htty_port}(hj hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&] refdomainjreftypej reftargetj modnameN classnameNjj)}j]jq #c.tty_insert_flip_string_fixed_flagasbuh1hhj ubj)}(h h]h }(hj hhhNhNubah}(h]h ]jah"]h$]h&]uh1j hj ubj)}(hjh]h*}(hj hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj ubj)}(hporth]hport}(hj hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]noemphhhuh1j?hj ubj@)}(hconst u8 *charsh](jF)}(hjh]hconst}(hj hhhNhNubah}(h]h ]jRah"]h$]h&]uh1jEhj ubj)}(h h]h }(hj! hhhNhNubah}(h]h ]jah"]h$]h&]uh1j hj ubh)}(hhh]j)}(hu8h]hu8}(hj2 hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj/ ubah}(h]h ]h"]h$]h&] refdomainjreftypej reftargetj4 modnameN classnameNjj)}j]jq #c.tty_insert_flip_string_fixed_flagasbuh1hhj ubj)}(h h]h }(hjP hhhNhNubah}(h]h ]jah"]h$]h&]uh1j hj ubj)}(hjh]h*}(hj^ hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj ubj)}(hcharsh]hchars}(hjk hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]noemphhhuh1j?hj ubj@)}(hu8 flagh](h)}(hhh]j)}(hu8h]hu8}(hj hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&] refdomainjreftypej reftargetj modnameN classnameNjj)}j]jq #c.tty_insert_flip_string_fixed_flagasbuh1hhj ubj)}(h h]h }(hj hhhNhNubah}(h]h ]jah"]h$]h&]uh1j hj ubj)}(hflagh]hflag}(hj hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]noemphhhuh1j?hj ubj@)}(h size_t sizeh](h)}(hhh]j)}(hsize_th]hsize_t}(hj hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&] refdomainjreftypej reftargetj modnameN classnameNjj)}j]jq #c.tty_insert_flip_string_fixed_flagasbuh1hhj ubj)}(h h]h }(hj hhhNhNubah}(h]h ]jah"]h$]h&]uh1j hj ubj)}(hsizeh]hsize}(hj hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]noemphhhuh1j?hj ubeh}(h]h ]h"]h$]h&]hhuh1j9hjN hhhjv hKubeh}(h]h ]h"]h$]h&]hhjouh1jjpjqhjJ hhhjv hKubah}(h]jE ah ](jujveh"]h$]h&]jzj{)j|huh1jhjv hKhjG hhubj~)}(hhh]h)}(h add characters to the tty bufferh]h add characters to the tty buffer}(hj% hhhNhNubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:21: ./include/linux/tty_flip.hhKhj" hhubah}(h]h ]h"]h$]h&]uh1j}hjG hhhjv hKubeh}(h]h ](jfunctioneh"]h$]h&]jjjj= jj= jjjuh1jhhhjhNhNubj)}(hX7**Parameters** ``struct tty_port *port`` tty port ``const u8 *chars`` characters ``u8 flag`` flag value for each character ``size_t size`` size **Description** Queue a series of bytes to the tty buffering. All the characters passed are marked with the supplied flag. **Return** the number added.h](h)}(h**Parameters**h]j)}(hjG h]h Parameters}(hjI hhhNhNubah}(h]h ]h"]h$]h&]uh1jhjE ubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:21: ./include/linux/tty_flip.hhKhjA ubj)}(hhh](j)}(h#``struct tty_port *port`` tty port h](j)}(h``struct tty_port *port``h]j)}(hjf h]hstruct tty_port *port}(hjh hhhNhNubah}(h]h ]h"]h$]h&]uh1jhjd ubah}(h]h ]h"]h$]h&]uh1jhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:21: ./include/linux/tty_flip.hhKhj` ubj)}(hhh]h)}(htty porth]htty port}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhj{ hKhj| ubah}(h]h ]h"]h$]h&]uh1jhj` ubeh}(h]h ]h"]h$]h&]uh1jhj{ hKhj] ubj)}(h``const u8 *chars`` characters h](j)}(h``const u8 *chars``h]j)}(hj h]hconst u8 *chars}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]uh1jhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:21: ./include/linux/tty_flip.hhKhj ubj)}(hhh]h)}(h charactersh]h characters}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhj hKhj ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj hKhj] ubj)}(h*``u8 flag`` flag value for each character h](j)}(h ``u8 flag``h]j)}(hj h]hu8 flag}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]uh1jhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:21: ./include/linux/tty_flip.hhKhj ubj)}(hhh]h)}(hflag value for each characterh]hflag value for each character}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhj hKhj ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj hKhj] ubj)}(h``size_t size`` size h](j)}(h``size_t size``h]j)}(hj h]h size_t size}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]uh1jhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:21: ./include/linux/tty_flip.hhKhj ubj)}(hhh]h)}(hsizeh]hsize}(hj* hhhNhNubah}(h]h ]h"]h$]h&]uh1hhj& hKhj' ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj& hKhj] ubeh}(h]h ]h"]h$]h&]uh1jhjA ubh)}(h**Description**h]j)}(hjL h]h Description}(hjN hhhNhNubah}(h]h ]h"]h$]h&]uh1jhjJ ubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:21: ./include/linux/tty_flip.hhKhjA ubh)}(hjQueue a series of bytes to the tty buffering. All the characters passed are marked with the supplied flag.h]hjQueue a series of bytes to the tty buffering. All the characters passed are marked with the supplied flag.}(hjb hhhNhNubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:21: ./include/linux/tty_flip.hhKhjA ubh)}(h **Return**h]j)}(hjs h]hReturn}(hju hhhNhNubah}(h]h ]h"]h$]h&]uh1jhjq ubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:21: ./include/linux/tty_flip.hhKhjA ubh)}(hthe number added.h]hthe number added.}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:21: ./include/linux/tty_flip.hhKhjA ubeh}(h]h ] kernelindentah"]h$]h&]uh1jhjhhhNhNubj)}(hhh]h}(h]h ]h"]h$]h&]entries](j)tty_insert_flip_string_flags (C function)c.tty_insert_flip_string_flagshNtauh1jhjhhhNhNubj)}(hhh](j)}(hjsize_t tty_insert_flip_string_flags (struct tty_port *port, const u8 *chars, const u8 *flags, size_t size)h]j)}(hisize_t tty_insert_flip_string_flags(struct tty_port *port, const u8 *chars, const u8 *flags, size_t size)h](h)}(hhh]j)}(hsize_th]hsize_t}(hj hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&] refdomainjreftypej reftargetj modnameN classnameNjj)}j]j)}jtty_insert_flip_string_flagssbc.tty_insert_flip_string_flagsasbuh1hhj hhhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:21: ./include/linux/tty_flip.hhK2ubj)}(h h]h }(hj hhhNhNubah}(h]h ]jah"]h$]h&]uh1j hj hhhj hK2ubj)}(htty_insert_flip_string_flagsh]j)}(hj h]htty_insert_flip_string_flags}(hj hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj ubah}(h]h ](j4j5eh"]h$]h&]hhuh1jhj hhhj hK2ubj:)}(hF(struct tty_port *port, const u8 *chars, const u8 *flags, size_t size)h](j@)}(hstruct tty_port *porth](jF)}(hjIh]hstruct}(hj hhhNhNubah}(h]h ]jRah"]h$]h&]uh1jEhjubj)}(h h]h }(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1j hjubh)}(hhh]j)}(htty_porth]htty_port}(hj(hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj%ubah}(h]h ]h"]h$]h&] refdomainjreftypej reftargetj*modnameN classnameNjj)}j]j c.tty_insert_flip_string_flagsasbuh1hhjubj)}(h h]h }(hjFhhhNhNubah}(h]h ]jah"]h$]h&]uh1j hjubj)}(hjh]h*}(hjThhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjubj)}(hporth]hport}(hjahhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]noemphhhuh1j?hjubj@)}(hconst u8 *charsh](jF)}(hjh]hconst}(hjzhhhNhNubah}(h]h ]jRah"]h$]h&]uh1jEhjvubj)}(h h]h }(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1j hjvubh)}(hhh]j)}(hu8h]hu8}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&] refdomainjreftypej reftargetjmodnameN classnameNjj)}j]j c.tty_insert_flip_string_flagsasbuh1hhjvubj)}(h h]h }(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1j hjvubj)}(hjh]h*}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjvubj)}(hcharsh]hchars}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjvubeh}(h]h ]h"]h$]h&]noemphhhuh1j?hjubj@)}(hconst u8 *flagsh](jF)}(hjh]hconst}(hjhhhNhNubah}(h]h ]jRah"]h$]h&]uh1jEhjubj)}(h h]h }(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1j hjubh)}(hhh]j)}(hu8h]hu8}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&] refdomainjreftypej reftargetj modnameN classnameNjj)}j]j c.tty_insert_flip_string_flagsasbuh1hhjubj)}(h h]h }(hj&hhhNhNubah}(h]h ]jah"]h$]h&]uh1j hjubj)}(hjh]h*}(hj4hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjubj)}(hflagsh]hflags}(hjAhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]noemphhhuh1j?hjubj@)}(h size_t sizeh](h)}(hhh]j)}(hsize_th]hsize_t}(hj]hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjZubah}(h]h ]h"]h$]h&] refdomainjreftypej reftargetj_modnameN classnameNjj)}j]j c.tty_insert_flip_string_flagsasbuh1hhjVubj)}(h h]h }(hj{hhhNhNubah}(h]h ]jah"]h$]h&]uh1j hjVubj)}(hsizeh]hsize}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjVubeh}(h]h ]h"]h$]h&]noemphhhuh1j?hjubeh}(h]h ]h"]h$]h&]hhuh1j9hj hhhj hK2ubeh}(h]h ]h"]h$]h&]hhjouh1jjpjqhj hhhj hK2ubah}(h]j ah ](jujveh"]h$]h&]jzj{)j|huh1jhj hK2hj hhubj~)}(hhh]h)}(h add characters to the tty bufferh]h add characters to the tty buffer}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:21: ./include/linux/tty_flip.hhK'hjhhubah}(h]h ]h"]h$]h&]uh1j}hj hhhj hK2ubeh}(h]h ](jfunctioneh"]h$]h&]jjjjjjjjjuh1jhhhjhNhNubj)}(hX9**Parameters** ``struct tty_port *port`` tty port ``const u8 *chars`` characters ``const u8 *flags`` flag bytes ``size_t size`` size **Description** Queue a series of bytes to the tty buffering. For each character the flags array indicates the status of the character. **Return** the number added.h](h)}(h**Parameters**h]j)}(hjh]h Parameters}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:21: ./include/linux/tty_flip.hhK+hjubj)}(hhh](j)}(h#``struct tty_port *port`` tty port h](j)}(h``struct tty_port *port``h]j)}(hjh]hstruct tty_port *port}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1jhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:21: ./include/linux/tty_flip.hhK(hjubj)}(hhh]h)}(htty porth]htty port}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhj hK(hj ubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhj hK(hjubj)}(h``const u8 *chars`` characters h](j)}(h``const u8 *chars``h]j)}(hj-h]hconst u8 *chars}(hj/hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj+ubah}(h]h ]h"]h$]h&]uh1jhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:21: ./include/linux/tty_flip.hhK)hj'ubj)}(hhh]h)}(h charactersh]h characters}(hjFhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjBhK)hjCubah}(h]h ]h"]h$]h&]uh1jhj'ubeh}(h]h ]h"]h$]h&]uh1jhjBhK)hjubj)}(h``const u8 *flags`` flag bytes h](j)}(h``const u8 *flags``h]j)}(hjfh]hconst u8 *flags}(hjhhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjdubah}(h]h ]h"]h$]h&]uh1jhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:21: ./include/linux/tty_flip.hhK*hj`ubj)}(hhh]h)}(h flag bytesh]h flag bytes}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhj{hK*hj|ubah}(h]h ]h"]h$]h&]uh1jhj`ubeh}(h]h ]h"]h$]h&]uh1jhj{hK*hjubj)}(h``size_t size`` size h](j)}(h``size_t size``h]j)}(hjh]h size_t size}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1jhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:21: ./include/linux/tty_flip.hhK+hjubj)}(hhh]h)}(hsizeh]hsize}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhK+hjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhjhK+hjubeh}(h]h ]h"]h$]h&]uh1jhjubh)}(h**Description**h]j)}(hjh]h Description}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:21: ./include/linux/tty_flip.hhK-hjubh)}(hwQueue a series of bytes to the tty buffering. For each character the flags array indicates the status of the character.h]hwQueue a series of bytes to the tty buffering. For each character the flags array indicates the status of the character.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:21: ./include/linux/tty_flip.hhK-hjubh)}(h **Return**h]j)}(hjh]hReturn}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:21: ./include/linux/tty_flip.hhK0hjubh)}(hthe number added.h]hthe number added.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:21: ./include/linux/tty_flip.hhK0hjubeh}(h]h ] kernelindentah"]h$]h&]uh1jhjhhhNhNubj)}(hhh]h}(h]h ]h"]h$]h&]entries](j!tty_insert_flip_char (C function)c.tty_insert_flip_charhNtauh1jhjhhhNhNubj)}(hhh](j)}(hCsize_t tty_insert_flip_char (struct tty_port *port, u8 ch, u8 flag)h]j)}(hBsize_t tty_insert_flip_char(struct tty_port *port, u8 ch, u8 flag)h](h)}(hhh]j)}(hsize_th]hsize_t}(hjIhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjFubah}(h]h ]h"]h$]h&] refdomainjreftypej reftargetjKmodnameN classnameNjj)}j]j)}jtty_insert_flip_charsbc.tty_insert_flip_charasbuh1hhjBhhhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:21: ./include/linux/tty_flip.hhKAubj)}(h h]h }(hjkhhhNhNubah}(h]h ]jah"]h$]h&]uh1j hjBhhhjjhKAubj)}(htty_insert_flip_charh]j)}(hjgh]htty_insert_flip_char}(hj}hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjyubah}(h]h ](j4j5eh"]h$]h&]hhuh1jhjBhhhjjhKAubj:)}(h'(struct tty_port *port, u8 ch, u8 flag)h](j@)}(hstruct tty_port *porth](jF)}(hjIh]hstruct}(hjhhhNhNubah}(h]h ]jRah"]h$]h&]uh1jEhjubj)}(h h]h }(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1j hjubh)}(hhh]j)}(htty_porth]htty_port}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&] refdomainjreftypej reftargetjmodnameN classnameNjj)}j]jec.tty_insert_flip_charasbuh1hhjubj)}(h h]h }(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1j hjubj)}(hjh]h*}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjubj)}(hporth]hport}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]noemphhhuh1j?hjubj@)}(hu8 chh](h)}(hhh]j)}(hu8h]hu8}(hj hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&] refdomainjreftypej reftargetj modnameN classnameNjj)}j]jec.tty_insert_flip_charasbuh1hhjubj)}(h h]h }(hj)hhhNhNubah}(h]h ]jah"]h$]h&]uh1j hjubj)}(hchh]hch}(hj7hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]noemphhhuh1j?hjubj@)}(hu8 flagh](h)}(hhh]j)}(hu8h]hu8}(hjShhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjPubah}(h]h ]h"]h$]h&] refdomainjreftypej reftargetjUmodnameN classnameNjj)}j]jec.tty_insert_flip_charasbuh1hhjLubj)}(h h]h }(hjqhhhNhNubah}(h]h ]jah"]h$]h&]uh1j hjLubj)}(hflagh]hflag}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjLubeh}(h]h ]h"]h$]h&]noemphhhuh1j?hjubeh}(h]h ]h"]h$]h&]hhuh1j9hjBhhhjjhKAubeh}(h]h ]h"]h$]h&]hhjouh1jjpjqhj>hhhjjhKAubah}(h]j9ah ](jujveh"]h$]h&]jzj{)j|huh1jhjjhKAhj;hhubj~)}(hhh]h)}(h#add one character to the tty bufferh]h#add one character to the tty buffer}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:21: ./include/linux/tty_flip.hhK:hjhhubah}(h]h ]h"]h$]h&]uh1j}hj;hhhjjhKAubeh}(h]h ](jfunctioneh"]h$]h&]jjjjjjjjjuh1jhhhjhNhNubj)}(h**Parameters** ``struct tty_port *port`` tty port ``u8 ch`` character ``u8 flag`` flag byte **Description** Queue a single byte **ch** to the tty buffering, with an optional flag.h](h)}(h**Parameters**h]j)}(hjh]h Parameters}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:21: ./include/linux/tty_flip.hhK>hjubj)}(hhh](j)}(h#``struct tty_port *port`` tty port h](j)}(h``struct tty_port *port``h]j)}(hjh]hstruct tty_port *port}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1jhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:21: ./include/linux/tty_flip.hhK;hjubj)}(hhh]h)}(htty porth]htty port}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhK;hjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhjhK;hjubj)}(h``u8 ch`` character h](j)}(h ``u8 ch``h]j)}(hj#h]hu8 ch}(hj%hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj!ubah}(h]h ]h"]h$]h&]uh1jhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:21: ./include/linux/tty_flip.hhKMust be called before the other tty buffer functions are used.h]h>Must be called before the other tty buffer functions are used.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:30: ./drivers/tty/tty_buffer.chMVhjubeh}(h]h ] kernelindentah"]h$]h&]uh1jhjhhhNhNubeh}(h]jah ]h"]other functionsah$]h&]uh1hhhhhhhhKubj)}(h----h]h}(h]h ]h"]h$]h&]uh1jhhhK!hhhhubh)}(hhh](h)}(hBuffer Lockingh]hBuffer Locking}(hjhhhNhNubah}(h]h ]h"]h$]h&]jj,uh1hhjhhhhhK$ubh)}(h9These are used only in special circumstances. Avoid them.h]h9These are used only in special circumstances. Avoid them.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK&hjhhubj)}(hhh]h}(h]h ]h"]h$]h&]entries](j&tty_buffer_lock_exclusive (C function)c.tty_buffer_lock_exclusivehNtauh1jhjhhhNhNubj)}(hhh](j)}(h6void tty_buffer_lock_exclusive (struct tty_port *port)h]j)}(h5void tty_buffer_lock_exclusive(struct tty_port *port)h](j)}(hvoidh]hvoid}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjhhhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:40: ./drivers/tty/tty_buffer.chK5ubj)}(h h]h }(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1j hjhhhjhK5ubj)}(htty_buffer_lock_exclusiveh]j)}(htty_buffer_lock_exclusiveh]htty_buffer_lock_exclusive}(hj%hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj!ubah}(h]h ](j4j5eh"]h$]h&]hhuh1jhjhhhjhK5ubj:)}(h(struct tty_port *port)h]j@)}(hstruct tty_port *porth](jF)}(hjIh]hstruct}(hjAhhhNhNubah}(h]h ]jRah"]h$]h&]uh1jEhj=ubj)}(h h]h }(hjNhhhNhNubah}(h]h ]jah"]h$]h&]uh1j hj=ubh)}(hhh]j)}(htty_porth]htty_port}(hj_hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj\ubah}(h]h ]h"]h$]h&] refdomainjreftypej reftargetjamodnameN classnameNjj)}j]j)}jj'sbc.tty_buffer_lock_exclusiveasbuh1hhj=ubj)}(h h]h }(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1j hj=ubj)}(hjh]h*}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj=ubj)}(hporth]hport}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj=ubeh}(h]h ]h"]h$]h&]noemphhhuh1j?hj9ubah}(h]h ]h"]h$]h&]hhuh1j9hjhhhjhK5ubeh}(h]h ]h"]h$]h&]hhjouh1jjpjqhjhhhjhK5ubah}(h]jah ](jujveh"]h$]h&]jzj{)j|huh1jhjhK5hjhhubj~)}(hhh]h)}(hgain exclusive access to bufferh]hgain exclusive access to buffer}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:40: ./drivers/tty/tty_buffer.chK,hjhhubah}(h]h ]h"]h$]h&]uh1j}hjhhhjhK5ubeh}(h]h ](jfunctioneh"]h$]h&]jjjjjjjjjuh1jhhhjhNhNubj)}(hX**Parameters** ``struct tty_port *port`` tty port owning the flip buffer **Description** Guarantees safe use of the :c:type:`tty_ldisc_ops.receive_buf\(\) ` method by excluding the buffer work and any pending flush from using the flip buffer. Data can continue to be added concurrently to the flip buffer from the driver side. See also tty_buffer_unlock_exclusive().h](h)}(h**Parameters**h]j)}(hjh]h Parameters}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:40: ./drivers/tty/tty_buffer.chK0hjubj)}(hhh]j)}(h:``struct tty_port *port`` tty port owning the flip buffer h](j)}(h``struct tty_port *port``h]j)}(hjh]hstruct tty_port *port}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1jhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:40: ./drivers/tty/tty_buffer.chK-hjubj)}(hhh]h)}(htty port owning the flip bufferh]htty port owning the flip buffer}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhK-hjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhjhK-hjubah}(h]h ]h"]h$]h&]uh1jhjubh)}(h**Description**h]j)}(hj@h]h Description}(hjBhhhNhNubah}(h]h ]h"]h$]h&]uh1jhj>ubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:40: ./drivers/tty/tty_buffer.chK/hjubh)}(hGuarantees safe use of the :c:type:`tty_ldisc_ops.receive_buf\(\) ` method by excluding the buffer work and any pending flush from using the flip buffer. Data can continue to be added concurrently to the flip buffer from the driver side.h](hGuarantees safe use of the }(hjVhhhNhNubh)}(h7:c:type:`tty_ldisc_ops.receive_buf\(\) `h]j)}(hj`h]htty_ldisc_ops.receive_buf()}(hjbhhhNhNubah}(h]h ](jjc-typeeh"]h$]h&]uh1jhj^ubah}(h]h ]h"]h$]h&]refdocj refdomainjreftypetype refexplicitrefwarnjj)}j]sbj tty_ldisc_opsuh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:40: ./drivers/tty/tty_buffer.chK/hjVubh method by excluding the buffer work and any pending flush from using the flip buffer. 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See also tty_buffer_lock_exclusive().h](h)}(h**Parameters**h]j)}(hjh]h Parameters}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:40: ./drivers/tty/tty_buffer.chKChjubj)}(hhh]j)}(h:``struct tty_port *port`` tty port owning the flip buffer h](j)}(h``struct tty_port *port``h]j)}(hjh]hstruct tty_port *port}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1jhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:40: ./drivers/tty/tty_buffer.chK@hjubj)}(hhh]h)}(htty port owning the flip bufferh]htty port owning the flip buffer}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhK@hjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhjhK@hjubah}(h]h ]h"]h$]h&]uh1jhjubh)}(h**Description**h]j)}(hjh]h Description}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:40: ./drivers/tty/tty_buffer.chKBhjubh)}(hAThe buffer work is restarted if there is data in the flip buffer.h]hAThe buffer work is restarted if there is data in the flip buffer.}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:40: ./drivers/tty/tty_buffer.chKBhjubh)}(h%See also tty_buffer_lock_exclusive().h]h%See also tty_buffer_lock_exclusive().}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:40: ./drivers/tty/tty_buffer.chKDhjubeh}(h]h ] kernelindentah"]h$]h&]uh1jhjhhhNhNubeh}(h]j2ah ]h"]buffer lockingah$]h&]uh1hhhhhhhhK$ubj)}(h----h]h}(h]h ]h"]h$]h&]uh1jhhhK+hhhhubh)}(hhh](h)}(hInternal Functionsh]hInternal Functions}(hjEhhhNhNubah}(h]h ]h"]h$]h&]jjNuh1hhjBhhhhhK.ubj)}(hhh]h}(h]h ]h"]h$]h&]entries](j tty_buffer_free_all (C function)c.tty_buffer_free_allhNtauh1jhjBhhhNhNubj)}(hhh](j)}(h0void tty_buffer_free_all (struct tty_port *port)h]j)}(h/void tty_buffer_free_all(struct tty_port *port)h](j)}(hvoidh]hvoid}(hjlhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjhhhhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:48: ./drivers/tty/tty_buffer.chKxubj)}(h h]h }(hj{hhhNhNubah}(h]h ]jah"]h$]h&]uh1j hjhhhhjzhKxubj)}(htty_buffer_free_allh]j)}(htty_buffer_free_allh]htty_buffer_free_all}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjubah}(h]h ](j4j5eh"]h$]h&]hhuh1jhjhhhhjzhKxubj:)}(h(struct tty_port *port)h]j@)}(hstruct tty_port *porth](jF)}(hjIh]hstruct}(hjhhhNhNubah}(h]h ]jRah"]h$]h&]uh1jEhjubj)}(h h]h }(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1j hjubh)}(hhh]j)}(htty_porth]htty_port}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&] refdomainjreftypej reftargetjmodnameN classnameNjj)}j]j)}jjsbc.tty_buffer_free_allasbuh1hhjubj)}(h h]h }(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1j hjubj)}(hjh]h*}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjubj)}(hporth]hport}(hjhhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]noemphhhuh1j?hjubah}(h]h ]h"]h$]h&]hhuh1j9hjhhhhjzhKxubeh}(h]h ]h"]h$]h&]hhjouh1jjpjqhjdhhhjzhKxubah}(h]j_ah ](jujveh"]h$]h&]jzj{)j|huh1jhjzhKxhjahhubj~)}(hhh]h)}(hfree buffers used by a ttyh]hfree buffers used by a tty}(hj,hhhNhNubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:48: ./drivers/tty/tty_buffer.chKrhj)hhubah}(h]h ]h"]h$]h&]uh1j}hjahhhjzhKxubeh}(h]h ](jfunctioneh"]h$]h&]jjjjDjjDjjjuh1jhhhjBhNhNubj)}(h**Parameters** ``struct tty_port *port`` tty port to free from **Description** Remove all the buffers pending on a tty whether queued with data or in the free ring. 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]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:48: ./drivers/tty/tty_buffer.chMhj'ubh)}(hpThis routine is called out of the software interrupt to flush data from the buffer chain to the line discipline.h]hpThis routine is called out of the software interrupt to flush data from the buffer chain to the line discipline.}(hj(hhhNhNubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:48: ./drivers/tty/tty_buffer.chMhj'ubh)}(hBThe receive_buf() method is single threaded for each tty instance.h]hBThe receive_buf() method is single threaded for each tty instance.}(hj(hhhNhNubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:48: ./drivers/tty/tty_buffer.chMhj'ubh)}(hLLocking: takes buffer lock to ensure single-threaded flip buffer 'consumer'.h]hPLocking: takes buffer lock to ensure single-threaded flip buffer ‘consumer’.}(hj (hhhNhNubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:48: ./drivers/tty/tty_buffer.chMhj'ubeh}(h]h ] kernelindentah"]h$]h&]uh1jhjBhhhNhNubj)}(hhh]h}(h]h ]h"]h$]h&]entries](j3tty_insert_flip_string_and_push_buffer (C function)(c.tty_insert_flip_string_and_push_bufferhNtauh1jhjBhhhNhNubj)}(hhh](j)}(h`int tty_insert_flip_string_and_push_buffer (struct tty_port *port, const u8 *chars, size_t size)h]j)}(h_int tty_insert_flip_string_and_push_buffer(struct tty_port *port, const u8 *chars, size_t size)h](j)}(hinth]hint}(hjO(hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjK(hhhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:48: ./drivers/tty/tty_buffer.chM(ubj)}(h h]h }(hj^(hhhNhNubah}(h]h ]jah"]h$]h&]uh1j hjK(hhhj](hM(ubj)}(h&tty_insert_flip_string_and_push_bufferh]j)}(h&tty_insert_flip_string_and_push_bufferh]h&tty_insert_flip_string_and_push_buffer}(hjp(hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjl(ubah}(h]h ](j4j5eh"]h$]h&]hhuh1jhjK(hhhj](hM(ubj:)}(h5(struct tty_port *port, const u8 *chars, size_t size)h](j@)}(hstruct tty_port *porth](jF)}(hjIh]hstruct}(hj(hhhNhNubah}(h]h ]jRah"]h$]h&]uh1jEhj(ubj)}(h h]h }(hj(hhhNhNubah}(h]h ]jah"]h$]h&]uh1j hj(ubh)}(hhh]j)}(htty_porth]htty_port}(hj(hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj(ubah}(h]h ]h"]h$]h&] refdomainjreftypej reftargetj(modnameN classnameNjj)}j]j)}jjr(sb(c.tty_insert_flip_string_and_push_bufferasbuh1hhj(ubj)}(h h]h }(hj(hhhNhNubah}(h]h ]jah"]h$]h&]uh1j hj(ubj)}(hjh]h*}(hj(hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj(ubj)}(hporth]hport}(hj(hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj(ubeh}(h]h ]h"]h$]h&]noemphhhuh1j?hj(ubj@)}(hconst u8 *charsh](jF)}(hjh]hconst}(hj(hhhNhNubah}(h]h ]jRah"]h$]h&]uh1jEhj(ubj)}(h h]h }(hj )hhhNhNubah}(h]h ]jah"]h$]h&]uh1j hj(ubh)}(hhh]j)}(hu8h]hu8}(hj)hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj)ubah}(h]h ]h"]h$]h&] refdomainjreftypej reftargetj)modnameN classnameNjj)}j]j((c.tty_insert_flip_string_and_push_bufferasbuh1hhj(ubj)}(h h]h }(hj:)hhhNhNubah}(h]h ]jah"]h$]h&]uh1j hj(ubj)}(hjh]h*}(hjH)hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj(ubj)}(hcharsh]hchars}(hjU)hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj(ubeh}(h]h ]h"]h$]h&]noemphhhuh1j?hj(ubj@)}(h size_t sizeh](h)}(hhh]j)}(hsize_th]hsize_t}(hjq)hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjn)ubah}(h]h ]h"]h$]h&] refdomainjreftypej reftargetjs)modnameN classnameNjj)}j]j((c.tty_insert_flip_string_and_push_bufferasbuh1hhjj)ubj)}(h h]h }(hj)hhhNhNubah}(h]h ]jah"]h$]h&]uh1j hjj)ubj)}(hsizeh]hsize}(hj)hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhjj)ubeh}(h]h ]h"]h$]h&]noemphhhuh1j?hj(ubeh}(h]h ]h"]h$]h&]hhuh1j9hjK(hhhj](hM(ubeh}(h]h ]h"]h$]h&]hhjouh1jjpjqhjG(hhhj](hM(ubah}(h]jB(ah ](jujveh"]h$]h&]jzj{)j|huh1jhj](hM(hjD(hhubj~)}(hhh]h)}(h)add characters to the tty buffer and pushh]h)add characters to the tty buffer and push}(hj)hhhNhNubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:48: ./drivers/tty/tty_buffer.chMhj)hhubah}(h]h ]h"]h$]h&]uh1j}hjD(hhhj](hM(ubeh}(h]h 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To be used only internally (by pty currently). **Return** the number added.h](h)}(h**Parameters**h]j)}(hj)h]h Parameters}(hj)hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj)ubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:48: ./drivers/tty/tty_buffer.chMhj)ubj)}(hhh](j)}(h#``struct tty_port *port`` tty port h](j)}(h``struct tty_port *port``h]j)}(hj*h]hstruct tty_port *port}(hj *hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj*ubah}(h]h ]h"]h$]h&]uh1jhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:48: ./drivers/tty/tty_buffer.chMhj*ubj)}(hhh]h)}(htty porth]htty port}(hj!*hhhNhNubah}(h]h ]h"]h$]h&]uh1hhj*hMhj*ubah}(h]h ]h"]h$]h&]uh1jhj*ubeh}(h]h ]h"]h$]h&]uh1jhj*hMhj)ubj)}(h``const u8 *chars`` characters h](j)}(h``const u8 *chars``h]j)}(hjA*h]hconst u8 *chars}(hjC*hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj?*ubah}(h]h ]h"]h$]h&]uh1jhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:48: ./drivers/tty/tty_buffer.chMhj;*ubj)}(hhh]h)}(h charactersh]h characters}(hjZ*hhhNhNubah}(h]h ]h"]h$]h&]uh1hhjV*hMhjW*ubah}(h]h ]h"]h$]h&]uh1jhj;*ubeh}(h]h ]h"]h$]h&]uh1jhjV*hMhj)ubj)}(h``size_t size`` size h](j)}(h``size_t size``h]j)}(hjz*h]h size_t size}(hj|*hhhNhNubah}(h]h ]h"]h$]h&]uh1jhjx*ubah}(h]h ]h"]h$]h&]uh1jhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:48: ./drivers/tty/tty_buffer.chMhjt*ubj)}(hhh]h)}(hsizeh]hsize}(hj*hhhNhNubah}(h]h ]h"]h$]h&]uh1hhj*hMhj*ubah}(h]h ]h"]h$]h&]uh1jhjt*ubeh}(h]h ]h"]h$]h&]uh1jhj*hMhj)ubeh}(h]h ]h"]h$]h&]uh1jhj)ubh)}(h**Description**h]j)}(hj*h]h Description}(hj*hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj*ubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:48: ./drivers/tty/tty_buffer.chM!hj)ubh)}(hThe function combines tty_insert_flip_string() and tty_flip_buffer_push() with the exception of properly holding the **port->lock**.h](huThe function combines tty_insert_flip_string() and tty_flip_buffer_push() with the exception of properly holding the }(hj*hhhNhNubj)}(h**port->lock**h]h port->lock}(hj*hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj*ubh.}(hj*hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:48: ./drivers/tty/tty_buffer.chM!hj)ubh)}(h.To be used only internally (by pty currently).h]h.To be used only internally (by pty currently).}(hj*hhhNhNubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:48: ./drivers/tty/tty_buffer.chM$hj)ubh)}(h **Return**h]j)}(hj*h]hReturn}(hj*hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj*ubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:48: ./drivers/tty/tty_buffer.chM&hj)ubh)}(hthe number added.h]hthe number added.}(hj+hhhNhNubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:48: ./drivers/tty/tty_buffer.chM&hj)ubeh}(h]h ] kernelindentah"]h$]h&]uh1jhjBhhhNhNubj)}(hhh]h}(h]h ]h"]h$]h&]entries](jtty_buffer_init (C function)c.tty_buffer_inithNtauh1jhjBhhhNhNubj)}(hhh](j)}(h,void tty_buffer_init (struct tty_port *port)h]j)}(h+void tty_buffer_init(struct tty_port *port)h](j)}(hvoidh]hvoid}(hjB+hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj>+hhhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:48: ./drivers/tty/tty_buffer.chM@ubj)}(h h]h }(hjQ+hhhNhNubah}(h]h ]jah"]h$]h&]uh1j hj>+hhhjP+hM@ubj)}(htty_buffer_inith]j)}(htty_buffer_inith]htty_buffer_init}(hjc+hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj_+ubah}(h]h ](j4j5eh"]h$]h&]hhuh1jhj>+hhhjP+hM@ubj:)}(h(struct tty_port *port)h]j@)}(hstruct tty_port *porth](jF)}(hjIh]hstruct}(hj+hhhNhNubah}(h]h ]jRah"]h$]h&]uh1jEhj{+ubj)}(h h]h }(hj+hhhNhNubah}(h]h ]jah"]h$]h&]uh1j hj{+ubh)}(hhh]j)}(htty_porth]htty_port}(hj+hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj+ubah}(h]h ]h"]h$]h&] refdomainjreftypej reftargetj+modnameN classnameNjj)}j]j)}jje+sbc.tty_buffer_initasbuh1hhj{+ubj)}(h h]h }(hj+hhhNhNubah}(h]h ]jah"]h$]h&]uh1j hj{+ubj)}(hjh]h*}(hj+hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj{+ubj)}(hporth]hport}(hj+hhhNhNubah}(h]h ]jah"]h$]h&]uh1jhj{+ubeh}(h]h ]h"]h$]h&]noemphhhuh1j?hjw+ubah}(h]h ]h"]h$]h&]hhuh1j9hj>+hhhjP+hM@ubeh}(h]h ]h"]h$]h&]hhjouh1jjpjqhj:+hhhjP+hM@ubah}(h]j5+ah ](jujveh"]h$]h&]jzj{)j|huh1jhjP+hM@hj7+hhubj~)}(hhh]h)}(hprepare a tty buffer structureh]hprepare a tty buffer structure}(hj,hhhNhNubah}(h]h ]h"]h$]h&]uh1hhb/var/lib/git/docbuild/linux/Documentation/driver-api/tty/tty_buffer:48: ./drivers/tty/tty_buffer.chM:hj+hhubah}(h]h ]h"]h$]h&]uh1j}hj7+hhhjP+hM@ubeh}(h]h ](jfunctioneh"]h$]h&]jjjj,jj,jjjuh1jhhhjBhNhNubj)}(h**Parameters** ``struct tty_port *port`` tty port to initialise **Description** Set up the initial state of the buffer management for a tty device. 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