diff options
| -rw-r--r-- | drivers/usb/musb/musb_core.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index df9c5fa2772e..4966a166929a 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -2300,6 +2300,8 @@ static int musb_suspend(struct device *dev) static int musb_resume(struct device *dev) { struct musb *musb = dev_to_musb(dev); + u8 devctl; + u8 mask; /* * For static cmos like DaVinci, register values were preserved @@ -2313,6 +2315,10 @@ static int musb_resume(struct device *dev) musb_restore_context(musb); + devctl = musb_readb(musb->mregs, MUSB_DEVCTL); + mask = MUSB_DEVCTL_BDEVICE | MUSB_DEVCTL_FSDEV | MUSB_DEVCTL_LSDEV; + if ((devctl & mask) != (musb->context.devctl & mask)) + musb->port1_status = 0; return 0; } |