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authorLiming Sun <limings@nvidia.com>2023-08-22 22:59:28 +0300
committerUlf Hansson <ulf.hansson@linaro.org>2023-08-24 13:56:46 +0300
commita11937b3cff5449871f428e46e202481dc61a9de (patch)
tree11a3f36b706688f4744bf4bebc7683065e89afe0 /drivers/mmc
parent5ae4b0d8875caa44946e579420c7fd5740d58653 (diff)
downloadlinux-a11937b3cff5449871f428e46e202481dc61a9de.tar.xz
mmc: sdhci-of-dwcmshc: Add error handling in dwcmshc_resume
This commit adds handling in dwcmshc_resume() for different error cases. Signed-off-by: Liming Sun <limings@nvidia.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Link: https://lore.kernel.org/r/20230822195929.168552-1-limings@nvidia.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/sdhci-of-dwcmshc.c21
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c b/drivers/mmc/host/sdhci-of-dwcmshc.c
index 31c1892f4ecd..bc332a035032 100644
--- a/drivers/mmc/host/sdhci-of-dwcmshc.c
+++ b/drivers/mmc/host/sdhci-of-dwcmshc.c
@@ -630,17 +630,32 @@ static int dwcmshc_resume(struct device *dev)
if (!IS_ERR(priv->bus_clk)) {
ret = clk_prepare_enable(priv->bus_clk);
if (ret)
- return ret;
+ goto disable_clk;
}
if (rk_priv) {
ret = clk_bulk_prepare_enable(RK35xx_MAX_CLKS,
rk_priv->rockchip_clks);
if (ret)
- return ret;
+ goto disable_bus_clk;
}
- return sdhci_resume_host(host);
+ ret = sdhci_resume_host(host);
+ if (ret)
+ goto disable_rockchip_clks;
+
+ return 0;
+
+disable_rockchip_clks:
+ if (rk_priv)
+ clk_bulk_disable_unprepare(RK35xx_MAX_CLKS,
+ rk_priv->rockchip_clks);
+disable_bus_clk:
+ if (!IS_ERR(priv->bus_clk))
+ clk_disable_unprepare(priv->bus_clk);
+disable_clk:
+ clk_disable_unprepare(pltfm_host->clk);
+ return ret;
}
#endif