diff options
| author | Russell King <rmk@flint.arm.linux.org.uk> | 2005-01-15 11:51:45 +0000 |
|---|---|---|
| committer | Russell King <rmk@flint.arm.linux.org.uk> | 2005-01-15 11:51:45 +0000 |
| commit | b8ebb26656cbe2be00a318061a14c7b1c51172f6 (patch) | |
| tree | 464b1a8698b499e6b88d6b8c8e8e5d8f6920218c /Documentation | |
| parent | 2a388f5e5c76f774cbeaeea683d637bc53ae4d21 (diff) | |
| download | history-b8ebb26656cbe2be00a318061a14c7b1c51172f6.tar.gz | |
[SERIAL] Clarify documentation for set_termios and pm methods.
Signed-off-by: Russell King <rmk@arm.linux.org.uk>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/serial/driver | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/Documentation/serial/driver b/Documentation/serial/driver index a707e5b33953b3..e9c0178cd202da 100644 --- a/Documentation/serial/driver +++ b/Documentation/serial/driver @@ -211,18 +211,25 @@ hardware. Yes 1 1 character received, marked as TTY_PARITY + Other flags may be used (eg, xon/xoff characters) if your + hardware supports hardware "soft" flow control. + Locking: none. Interrupts: caller dependent. This call must not sleep pm(port,state,oldstate) - perform any power management related activities on the specified - port. state indicates the new state (defined by ACPI D0-D3), + Perform any power management related activities on the specified + port. State indicates the new state (defined by ACPI D0-D3), oldstate indicates the previous state. Essentially, D0 means fully on, D3 means powered down. This function should not be used to grab any resources. + This will be called when the port is initially opened and finally + closed, except when the port is also the system console. This + will occur even if CONFIG_PM is not set. + Locking: none. Interrupts: caller dependent. |