diff options
| author |   Chunfeng Yun <chunfeng.yun@mediatek.com> | 2019-04-17 16:28:20 +0800 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-04-19 14:24:26 +0200 |
| commit | fcafadf71a252009f1d0663b8fcf4bd57f4f2c66 (patch) | |
| tree | 16aa2e7deeafa43e6784d19363138f832247e598 /drivers/usb/chipidea | |
| parent | usb: dwc2: get optional clock by devm_clk_get_optional() (diff) | |
| download | linux-dev-fcafadf71a252009f1d0663b8fcf4bd57f4f2c66.tar.xz linux-dev-fcafadf71a252009f1d0663b8fcf4bd57f4f2c66.zip | |
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.c | 9 |
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); |