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Commit 0e1b89e5 authored by Arvind Yadav's avatar Arvind Yadav Committed by Felipe Balbi
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usb: gadget: mv_udc: Handle return value of clk_prepare_enable. 



clk_prepare_enable() can fail here and we must check its return value.

Signed-off-by: default avatarArvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent 46b780d4

drivers/usb/gadget/udc/mv_udc_core.c

+6 −3
Original line number Diff line number Diff line
@@ -960,9 +960,9 @@ static const struct usb_ep_ops mv_ep_ops = { 
	.fifo_flush	= mv_ep_fifo_flush,	/* flush fifo */

};



static void udc_clock_enable(struct mv_udc *udc)

static int udc_clock_enable(struct mv_udc *udc)

{

	clk_prepare_enable(udc->clk);

	return clk_prepare_enable(udc->clk);

}



static void udc_clock_disable(struct mv_udc *udc)
@@ -1070,7 +1070,10 @@ static int mv_udc_enable_internal(struct mv_udc *udc) 
		return 0;



	dev_dbg(&udc->dev->dev, "enable udc\n");

	udc_clock_enable(udc);

	retval = udc_clock_enable(udc);

	if (retval)

		return retval;



	if (udc->pdata->phy_init) {

		retval = udc->pdata->phy_init(udc->phy_regs);

		if (retval) {