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usb: dwc2: gadget: Do not fail probe if there isn't a clock node 

Since the dwc2 hcd driver is currently not looking for a clock node during
init, we should not completely fail if there isn't a clock provided.
By assigning clk = NULL, this allows the driver, when configured for dual-role
mode, to be able to continue loading the host portion of the driver when
a clock node is not specified.

Acked-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Dinh Nguyen 2014-11-11 11:13:38 -06:00 committed by Felipe Balbi
parent db8178c33d
commit 8d736d8a9c
1 changed files with 1 additions and 0 deletions
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1
drivers/usb/dwc2/gadget.c
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@ -3431,6 +3431,7 @@ 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);
}