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authorChunfeng Yun <chunfeng.yun@mediatek.com>2019-04-17 16:28:20 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-04-19 14:24:26 +0200
commitfcafadf71a252009f1d0663b8fcf4bd57f4f2c66 (patch)
tree16aa2e7deeafa43e6784d19363138f832247e598 /drivers/usb/chipidea
parente894cdc2cb468c49242f8ab39236de475604f0c1 (diff)
usb: chipidea: msm: get optional clock by devm_clk_get_optional()
When the driver tries to get optional clock, it ignores all errors except -EPROBE_DEFER, but if only ignores -ENOENT, it will cover some real errors, such as -ENOMEM, so use devm_clk_get_optional() to get optional clock. Cc: Peter Chen <Peter.Chen@nxp.com> Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> Acked-by: Peter Chen <Peter.Chen@nxp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/chipidea')
-rw-r--r--drivers/usb/chipidea/ci_hdrc_msm.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/usb/chipidea/ci_hdrc_msm.c b/drivers/usb/chipidea/ci_hdrc_msm.c
index 880009987460..b8b3caad889c 100644
--- a/drivers/usb/chipidea/ci_hdrc_msm.c
+++ b/drivers/usb/chipidea/ci_hdrc_msm.c
@@ -205,12 +205,9 @@ static int ci_hdrc_msm_probe(struct platform_device *pdev)
if (IS_ERR(clk))
return PTR_ERR(clk);
- ci->fs_clk = clk = devm_clk_get(&pdev->dev, "fs");
- if (IS_ERR(clk)) {
- if (PTR_ERR(clk) == -EPROBE_DEFER)
- return -EPROBE_DEFER;
- ci->fs_clk = NULL;
- }
+ ci->fs_clk = clk = devm_clk_get_optional(&pdev->dev, "fs");
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
ci->base = devm_ioremap_resource(&pdev->dev, res);