The MUSB controller does not lost power during runtime suspend/resume, so unnecessary to backup/restore its registers.
Signed-off-by: Bin Liu <[email protected]> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
