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>
Subject: [PATCH 1/5] usb: xhci-mtk: get optional clock by devm_clk_get_optional()
Date: Sat, 30 Mar 2019 17:28:16 +0800 [thread overview]
Message-ID: <2ec86ffd7de45dabaa7257019a79f1e80751934c.1553937592.git.chunfeng.yun@mediatek.com> (raw)
Use devm_clk_get_optional() to get optional clock
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
drivers/usb/host/xhci-mtk.c | 19 +++----------------
1 file changed, 3 insertions(+), 16 deletions(-)
diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c
index 60987c787e44..026fe18972d3 100644
--- a/drivers/usb/host/xhci-mtk.c
+++ b/drivers/usb/host/xhci-mtk.c
@@ -206,19 +206,6 @@ static int xhci_mtk_ssusb_config(struct xhci_hcd_mtk *mtk)
return xhci_mtk_host_enable(mtk);
}
-/* ignore the error if the clock does not exist */
-static struct clk *optional_clk_get(struct device *dev, const char *id)
-{
- struct clk *opt_clk;
-
- opt_clk = devm_clk_get(dev, id);
- /* ignore error number except EPROBE_DEFER */
- if (IS_ERR(opt_clk) && (PTR_ERR(opt_clk) != -EPROBE_DEFER))
- opt_clk = NULL;
-
- return opt_clk;
-}
-
static int xhci_mtk_clks_get(struct xhci_hcd_mtk *mtk)
{
struct device *dev = mtk->dev;
@@ -229,15 +216,15 @@ static int xhci_mtk_clks_get(struct xhci_hcd_mtk *mtk)
return PTR_ERR(mtk->sys_clk);
}
- mtk->ref_clk = optional_clk_get(dev, "ref_ck");
+ mtk->ref_clk = devm_clk_get_optional(dev, "ref_ck");
if (IS_ERR(mtk->ref_clk))
return PTR_ERR(mtk->ref_clk);
- mtk->mcu_clk = optional_clk_get(dev, "mcu_ck");
+ mtk->mcu_clk = devm_clk_get_optional(dev, "mcu_ck");
if (IS_ERR(mtk->mcu_clk))
return PTR_ERR(mtk->mcu_clk);
- mtk->dma_clk = optional_clk_get(dev, "dma_ck");
+ mtk->dma_clk = devm_clk_get_optional(dev, "dma_ck");
return PTR_ERR_OR_ZERO(mtk->dma_clk);
}
--
2.20.1
next 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 Chunfeng Yun [this message]
2019-03-30 9:28 ` [PATCH 2/5] usb: host: xhci-plat: get optional clock by devm_clk_get_optional() Chunfeng Yun
2019-03-30 9:28 ` [PATCH 3/5] usb: misc: usb3503: " Chunfeng Yun
2019-03-30 9:28 ` [PATCH 4/5] usb: dwc2: " Chunfeng Yun
2019-04-01 8:47 ` 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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