* [PATCH] omap-rng: Use struct dev_pm_ops for power management
@ 2012-07-04 22:00 Rafael J. Wysocki
0 siblings, 0 replies; only message in thread
From: Rafael J. Wysocki @ 2012-07-04 22:00 UTC (permalink / raw)
To: Linux PM list; +Cc: LKML, Deepak Saxena, linux-omap
From: Rafael J. Wysocki <rjw@sisk.pl>
Make the omap-rng driver define its PM callbacks through
a struct dev_pm_ops object rather than by using legacy PM hooks
in struct platform_driver.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
drivers/char/hw_random/omap-rng.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
Index: linux/drivers/char/hw_random/omap-rng.c
===================================================================
--- linux.orig/drivers/char/hw_random/omap-rng.c
+++ linux/drivers/char/hw_random/omap-rng.c
@@ -162,22 +162,24 @@ static int __exit omap_rng_remove(struct
#ifdef CONFIG_PM
-static int omap_rng_suspend(struct platform_device *pdev, pm_message_t message)
+static int omap_rng_suspend(struct device *dev)
{
omap_rng_write_reg(RNG_MASK_REG, 0x0);
return 0;
}
-static int omap_rng_resume(struct platform_device *pdev)
+static int omap_rng_resume(struct device *dev)
{
omap_rng_write_reg(RNG_MASK_REG, 0x1);
return 0;
}
+static SIMPLE_DEV_PM_OPS(omap_rng_pm, omap_rng_suspend, omap_rng_resume);
+#define OMAP_RNG_PM (&omap_rng_pm)
+
#else
-#define omap_rng_suspend NULL
-#define omap_rng_resume NULL
+#define OMAP_RNG_PM NULL
#endif
@@ -188,11 +190,10 @@ static struct platform_driver omap_rng_d
.driver = {
.name = "omap_rng",
.owner = THIS_MODULE,
+ .pm = OMAP_RNG_PM,
},
.probe = omap_rng_probe,
.remove = __exit_p(omap_rng_remove),
- .suspend = omap_rng_suspend,
- .resume = omap_rng_resume
};
static int __init omap_rng_init(void)
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2012-07-04 22:00 [PATCH] omap-rng: Use struct dev_pm_ops for power management Rafael J. Wysocki
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