From 30b3241368aff899c56359f63214c164ed3fb3fb Mon Sep 17 00:00:00 2001 From: Ramon Fried Date: Fri, 21 Sep 2018 13:35:56 +0300 Subject: [PATCH] usb:ci_udc: don't overwrite configuration on pullup change writel to writebits32 in ci_pullup() in order to keep phy configuration in tact. Signed-off-by: Ramon Fried --- drivers/usb/gadget/ci_udc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/usb/gadget/ci_udc.c b/drivers/usb/gadget/ci_udc.c index 8d23fab3b7..0a84f6850d 100644 --- a/drivers/usb/gadget/ci_udc.c +++ b/drivers/usb/gadget/ci_udc.c @@ -906,7 +906,8 @@ static int ci_pullup(struct usb_gadget *gadget, int is_on) writel(0xffffffff, &udc->epflush); /* Turn on the USB connection by enabling the pullup resistor */ - writel(USBCMD_ITC(MICRO_8FRAME) | USBCMD_RUN, &udc->usbcmd); + setbits_le32(&udc->usbcmd, USBCMD_ITC(MICRO_8FRAME) | + USBCMD_RUN); } else { udc_disconnect(); } -- 2.39.5