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ide: sanitize ide*_pm_* enums

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* Move ide*_pm_* enums from ide-io.c to <linux/ide.h>.

* idedisk_pm_* -> ide_pm_*

* ide_pm_state_* -> ide_pm_*

* No need to set ide_pm_* enums to the fixed values.

* Uppercase ide_pm_* enums.

* Fix/update comments.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz
2008-10-13 21:39:38 +02:00
parent d1d76714e2
commit 0d346ba073
3 changed files with 40 additions and 60 deletions
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include/linux/ide.h
+16 -18
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@@ -988,36 +988,34 @@ enum {
}
/*
* Power Management step value (rq->pm->pm_step).
* Power Management state machine (rq->pm->pm_step).
*
* The step value starts at 0 (ide_pm_state_start_suspend) for a
* suspend operation or 1000 (ide_pm_state_start_resume) for a
* resume operation.
*
* For each step, the core calls the subdriver start_power_step() first.
* For each step, the core calls ide_start_power_step() first.
* This can return:
* - ide_stopped : In this case, the core calls us back again unless
* step have been set to ide_power_state_completed.
* - ide_started : In this case, the channel is left busy until an
* async event (interrupt) occurs.
* Typically, start_power_step() will issue a taskfile request with
* Typically, ide_start_power_step() will issue a taskfile request with
* do_rw_taskfile().
*
* Upon reception of the interrupt, the core will call complete_power_step()
* Upon reception of the interrupt, the core will call ide_complete_power_step()
* with the error code if any. This routine should update the step value
* and return. It should not start a new request. The core will call
* start_power_step for the new step value, unless step have been set to
* ide_power_state_completed.
*
* Subdrivers are expected to define their own additional power
* steps from 1..999 for suspend and from 1001..1999 for resume,
* other values are reserved for future use.
* ide_start_power_step() for the new step value, unless step have been
* set to IDE_PM_COMPLETED.
*/
enum {
ide_pm_state_completed = -1,
ide_pm_state_start_suspend = 0,
ide_pm_state_start_resume = 1000,
IDE_PM_START_SUSPEND,
IDE_PM_FLUSH_CACHE = IDE_PM_START_SUSPEND,
IDE_PM_STANDBY,
IDE_PM_START_RESUME,
IDE_PM_RESTORE_PIO = IDE_PM_START_RESUME,
IDE_PM_IDLE,
IDE_PM_RESTORE_DMA,
IDE_PM_COMPLETED,
};
/*