In order to make it possible to restore from hibernation not only in Linux but
also in e.g. U-Boot, we have to use sh_dmae_{suspend|resume}() for the {freeze|
thaw|restore}() PM methods. It's handy to achieve this with SIMPLE_DEV_PM_OPS()
macro; since that macro doesn't do anything when CONFIG_PM_SLEEP is undefined,
we don't need to #define sh_dmae_{suspend|resume} NULL anymore; it seems safe to
leave the #ifdef CONFIG_PM alone as this option is selected by CONFIG_PM_SLEEP
anyway...
Based on orignal patch by Mikhail Ulyanov <mikhail.ulyanov@xxxxxxxxxxxxxxxxxx>.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>
---
The patch is against the 'next' branch of Vinod Koul's 'slave-dma.git' repo.
drivers/dma/sh/shdmac.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
Index: slave-dma/drivers/dma/sh/shdmac.c
===================================================================
--- slave-dma.orig/drivers/dma/sh/shdmac.c
+++ slave-dma/drivers/dma/sh/shdmac.c
@@ -632,14 +632,10 @@ static int sh_dmae_resume(struct device
return 0;
}
-#else
-#define sh_dmae_suspend NULL
-#define sh_dmae_resume NULL
#endif
static const struct dev_pm_ops sh_dmae_pm = {
- .suspend = sh_dmae_suspend,
- .resume = sh_dmae_resume,
+ SET_SYSTEM_SLEEP_PM_OPS(sh_dmae_suspend, sh_dmae_resume)
SET_RUNTIME_PM_OPS(sh_dmae_runtime_suspend, sh_dmae_runtime_resume,
NULL)
};
--
To unsubscribe from this list: send the line "unsubscribe dmaengine" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
