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Diffstat (limited to 'drivers/usb/musb/ux500.c')
| -rw-r--r-- | drivers/usb/musb/ux500.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c index fe322cf541c..89ef846d32c 100644 --- a/drivers/usb/musb/ux500.c +++ b/drivers/usb/musb/ux500.c @@ -311,11 +311,18 @@ static void ux500_musb_set_vbus(struct musb *musb, int is_on) u8 devctl; unsigned long timeout = jiffies + msecs_to_jiffies(1000); int ret = 1; +#ifdef CONFIG_USB_OTG_20 + int val = 0; +#endif /* HDRC controls CPEN, but beware current surges during device * connect. They can trigger transient overcurrent conditions * that must be ignored. */ - +#ifdef CONFIG_USB_OTG_20 + val = musb_readb(musb->mregs, MUSB_MISC); + val |= 0x1C; + musb_writeb(musb->mregs, MUSB_MISC, val); +#endif devctl = musb_readb(musb->mregs, MUSB_DEVCTL); if (is_on) { |