Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 60722c4e authored by Chunfeng Yun's avatar Chunfeng Yun Committed by Felipe Balbi
Browse files

usb: dwc2: get optional clock by devm_clk_get_optional() 



When the driver tries to get optional clock, it ignores all errors,
but if only ignores -ENOENT, it will cover some real errors, such as
-EPROBE_DEFER, so use devm_clk_get_optional() to get optional clock.

Cc: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: default avatarChunfeng Yun <chunfeng.yun@mediatek.com>
Acked-by: default avatarMinas Harutyunyan <hminas@synopsys.com>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent 46637565

drivers/usb/dwc2/platform.c

+3 −3
Original line number Diff line number Diff line
@@ -284,10 +284,10 @@ static int dwc2_lowlevel_hw_init(struct dwc2_hsotg *hsotg) 
	}



	/* Clock */

	hsotg->clk = devm_clk_get(hsotg->dev, "otg");

	hsotg->clk = devm_clk_get_optional(hsotg->dev, "otg");

	if (IS_ERR(hsotg->clk)) {

		hsotg->clk = NULL;

		dev_dbg(hsotg->dev, "cannot get otg clock\n");

		dev_err(hsotg->dev, "cannot get otg clock\n");

		return PTR_ERR(hsotg->clk);

	}



	/* Regulators */