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DMA: Rework txx9dmac suspend_late()/resume_early()

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This patch reworks platform driver power management code
for txx9dmac from legacy late/early callbacks to dev_pm_ops.

The callbacks are converted for CONFIG_SUSPEND like this:
  suspend_late() -> suspend_noirq()
  resume_early() -> resume_noirq()

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This commit is contained in:
Magnus Damm 2009-07-08 13:22:27 +02:00 committed by Rafael J. Wysocki
parent 4a256b5fc0
commit 4aebac2fb9
1 changed files with 10 additions and 5 deletions
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15
drivers/dma/txx9dmac.c
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@ -1291,17 +1291,18 @@ static void txx9dmac_shutdown(struct platform_device *pdev)
txx9dmac_off(ddev);
}
static int txx9dmac_suspend_late(struct platform_device *pdev,
pm_message_t mesg)
static int txx9dmac_suspend_noirq(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct txx9dmac_dev *ddev = platform_get_drvdata(pdev);
txx9dmac_off(ddev);
return 0;
}
static int txx9dmac_resume_early(struct platform_device *pdev)
static int txx9dmac_resume_noirq(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct txx9dmac_dev *ddev = platform_get_drvdata(pdev);
struct txx9dmac_platform_data *pdata = pdev->dev.platform_data;
u32 mcr;
@ -1314,6 +1315,11 @@ static int txx9dmac_resume_early(struct platform_device *pdev)
}
static struct dev_pm_ops txx9dmac_dev_pm_ops = {
.suspend_noirq = txx9dmac_suspend_noirq,
.resume_noirq = txx9dmac_resume_noirq,
};
static struct platform_driver txx9dmac_chan_driver = {
.remove = __exit_p(txx9dmac_chan_remove),
.driver = {
@ -1324,10 +1330,9 @@ static struct platform_driver txx9dmac_chan_driver = {
static struct platform_driver txx9dmac_driver = {
.remove = __exit_p(txx9dmac_remove),
.shutdown = txx9dmac_shutdown,
.suspend_late = txx9dmac_suspend_late,
.resume_early = txx9dmac_resume_early,
.driver = {
.name = "txx9dmac",
.pm = &txx9dmac_dev_pm_ops,
},
};