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pda_power: Add function callbacks for suspend and resume 

Add function prototypes for power management events so they can be
handled and used by platform implementations.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Dmitry Baryshkov <dbaryshkov@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
hifive-unleashed-5.1
Daniel Mack 2010-04-12 23:33:22 +02:00 committed by Anton Vorontsov
parent b5874f33bb
commit a3bcbbee83
2 changed files with 12 additions and 0 deletions
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10
drivers/power/pda_power.c
View File

@ -404,6 +404,13 @@ static int usb_wakeup_enabled;
static int pda_power_suspend(struct platform_device *pdev, pm_message_t state)
{
if (pdata->suspend) {
int ret = pdata->suspend(state);
if (ret)
return ret;
}
if (device_may_wakeup(&pdev->dev)) {
if (ac_irq)
ac_wakeup_enabled = !enable_irq_wake(ac_irq->start);
@ -423,6 +430,9 @@ static int pda_power_resume(struct platform_device *pdev)
disable_irq_wake(ac_irq->start);
}
if (pdata->resume)
return pdata->resume();
return 0;
}
#else

2
include/linux/pda_power.h
View File

@ -24,6 +24,8 @@ struct pda_power_pdata {
int (*is_usb_online)(void);
void (*set_charge)(int flags);
void (*exit)(struct device *dev);
int (*suspend)(pm_message_t state);
int (*resume)(void);
char **supplied_to;
size_t num_supplicants;