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Subject[PATCH 4/5] usb: dwc2: get optional clock by devm_clk_get_optional()
Date
Use devm_clk_get_optional() to get optional clock

Cc: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
drivers/usb/dwc2/platform.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
index c0b64d483552..9aa9682a5cd2 100644
--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -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 */
--
2.20.1
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