diff options
| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2021-11-16 14:36:07 +0100 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2021-11-26 14:04:16 +0100 |
| commit | 366df82fc68a9db22ab9de890a372d79662e397c (patch) | |
| tree | e8126539cab9849ae8d459b11bf00456ff115536 /drivers/mmc | |
| parent | dt-bindings: clock: renesas,cpg-mssr: Document r8a779f0 (diff) | |
| download | linux-366df82fc68a9db22ab9de890a372d79662e397c.tar.xz linux-366df82fc68a9db22ab9de890a372d79662e397c.zip | |
mmc: renesas_sdhi: Use devm_clk_get_optional() to obtain CD clock
Use the existing devm_clk_get_optional() helper to obtain the optional
Card Detect clock, instead of open-coding the same operation.
a side effect, real errors will now be handled correctly instead of
being ignored.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/540d803d31bf9aa1d0f78f431cae0ccd05387edc.1637069733.git.geert+renesas@glider.be
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/renesas_sdhi_core.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c index 2f5e22e539a3..61cde437f317 100644 --- a/drivers/mmc/host/renesas_sdhi_core.c +++ b/drivers/mmc/host/renesas_sdhi_core.c @@ -936,9 +936,9 @@ int renesas_sdhi_probe(struct platform_device *pdev, * to the card detect circuit. That leaves us with if separate clocks * are presented, we must treat them both as virtually 1 clock. */ - priv->clk_cd = devm_clk_get(&pdev->dev, "cd"); + priv->clk_cd = devm_clk_get_optional(&pdev->dev, "cd"); if (IS_ERR(priv->clk_cd)) - priv->clk_cd = NULL; + return dev_err_probe(&pdev->dev, PTR_ERR(priv->clk_cd), "cannot get cd clock"); priv->pinctrl = devm_pinctrl_get(&pdev->dev); if (!IS_ERR(priv->pinctrl)) { |