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usb: dwc2: remove early return on clock query

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Since we have assigned clk=NULL, which is a valid clk, we should not
be returning when a clock node is not provide. Instead, we should return
only when we cannot enable the clock.

Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Dinh Nguyen 2014-11-24 11:02:11 -06:00 committed by Felipe Balbi
parent da9f3289c7
commit f415fbd17f
1 changed files with 7 additions and 3 deletions
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10
drivers/usb/dwc2/gadget.c
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@ -3451,8 +3451,7 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq)
hsotg->clk = devm_clk_get(dev, "otg");
if (IS_ERR(hsotg->clk)) {
hsotg->clk = NULL;
dev_err(dev, "cannot get otg clock\n");
return PTR_ERR(hsotg->clk);
dev_dbg(dev, "cannot get otg clock\n");
}
hsotg->gadget.max_speed = USB_SPEED_HIGH;
@ -3461,7 +3460,12 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq)
/* reset the system */
clk_prepare_enable(hsotg->clk);
ret = clk_prepare_enable(hsotg->clk);
if (ret) {
dev_err(dev, "failed to enable otg clk\n");
goto err_clk;
}
/* regulators */