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| author | Linus Walleij <linus.walleij@linaro.org> | 2012-12-07 11:36:08 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-15 21:52:23 -0800 |
| commit | 6f538fe31c1d453b7e7fc4f6e7c6a9bdead4a6f2 (patch) | |
| tree | b8655469788e0961782706761c1628c80a957860 /Documentation/serial | |
| parent | fdbc7353e45d78ea8ee4a0cdc9e2700035a3a77d (diff) | |
| download | lwn-6f538fe31c1d453b7e7fc4f6e7c6a9bdead4a6f2.tar.gz lwn-6f538fe31c1d453b7e7fc4f6e7c6a9bdead4a6f2.zip | |
tty: serial core: decouple pm states from ACPI
The serial core is using power states lifted from ACPI for no
good reason. Remove this reference from the documentation and
alter all users to use an enum specific to the serial core
instead, and define it in <linux/serial_core.h>.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Alan Cox <alan@linux.intel.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/serial')
| -rw-r--r-- | Documentation/serial/driver | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/Documentation/serial/driver b/Documentation/serial/driver index 0a25a9191864..a6ef8dc436f1 100644 --- a/Documentation/serial/driver +++ b/Documentation/serial/driver @@ -242,9 +242,8 @@ hardware. pm(port,state,oldstate) 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. + port. State indicates the new state (defined by + enum uart_pm_state), oldstate indicates the previous state. This function should not be used to grab any resources. |