The MUSB controller does not lost power during runtime suspend/resume,
so unnecessary to backup/restore its registers.
Signed-off-by: Bin Liu <b-liu@xxxxxx>
---
drivers/usb/musb/musb_core.c | 18 ------------------
1 file changed, 18 deletions(-)
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index bb2d38e..1167906 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -2476,30 +2476,12 @@ static int musb_resume(struct device *dev)
static int musb_runtime_suspend(struct device *dev)
{
- struct musb *musb = dev_to_musb(dev);
-
- musb_save_context(musb);
-
return 0;
}
static int musb_runtime_resume(struct device *dev)
{
struct musb *musb = dev_to_musb(dev);
- static int first = 1;
-
- /*
- * When pm_runtime_get_sync called for the first time in driver
- * init, some of the structure is still not initialized which is
- * used in restore function. But clock needs to be
- * enabled before any register access, so
- * pm_runtime_get_sync has to be called.
- * Also context restore without save does not make
- * any sense
- */
- if (!first)
- musb_restore_context(musb);
- first = 0;
if (musb->need_finish_resume) {
musb->need_finish_resume = 0;
--
1.8.4
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