From: Chunfeng Yun <chunfeng.yun@mediatek.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Matthias Brugger <matthias.bgg@gmail.com>,
Chunfeng Yun <chunfeng.yun@mediatek.com>,
<linux-usb@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-mediatek@lists.infradead.org>,
Minas Harutyunyan <hminas@synopsys.com>
Subject: [PATCH 4/5] usb: dwc2: get optional clock by devm_clk_get_optional()
Date: Sat, 30 Mar 2019 17:28:19 +0800 [thread overview]
Message-ID: <e14524a4e6b38140f41e55bb74aedb6599e963e1.1553937592.git.chunfeng.yun@mediatek.com> (raw)
In-Reply-To: <2ec86ffd7de45dabaa7257019a79f1e80751934c.1553937592.git.chunfeng.yun@mediatek.com>
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
next prev parent reply other threads:[~2019-03-30 9:28 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-30 9:28 [PATCH 1/5] usb: xhci-mtk: " Chunfeng Yun
2019-03-30 9:28 ` [PATCH 2/5] usb: host: xhci-plat: " Chunfeng Yun
2019-03-30 9:28 ` [PATCH 3/5] usb: misc: usb3503: " Chunfeng Yun
2019-03-30 9:28 ` Chunfeng Yun [this message]
2019-04-01 8:47 ` [PATCH 4/5] usb: dwc2: " Minas Harutyunyan
2019-03-30 9:28 ` [PATCH 5/5] usb: chipidea: msm: " Chunfeng Yun
2019-04-04 7:28 ` Peter Chen
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