xiaomi-sm8450/android_kernel_xiaomi_sm8450
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mmc: tmio: move runtime PM enablement to the driver implementations

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Both the Renesas and Uniphier implementations perform actions which
affect runtime PM before calling into the core tmio_mmc_host_probe()
which enabled runtime PM. Move pm_runtime_enable() from the core and
tmio_mmc_host_probe() into each drivers probe() so it can be called
before any clocks or other resources are switched on.

Reported-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Niklas Söderlund
2019-04-11 00:22:40 +02:00
committed by Ulf Hansson
parent fdc4e755f6
commit 7ff2131933
4 changed files with 23 additions and 2 deletions
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3
drivers/mmc/host/uniphier-sd.c
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@@ -631,6 +631,7 @@ static int uniphier_sd_probe(struct platform_device *pdev)
host->clk_disable = uniphier_sd_clk_disable;
host->set_clock = uniphier_sd_set_clock;
pm_runtime_enable(&pdev->dev);
ret = uniphier_sd_clk_enable(host);
if (ret)
goto free_host;
@@ -652,6 +653,7 @@ static int uniphier_sd_probe(struct platform_device *pdev)
free_host:
tmio_mmc_host_free(host);
pm_runtime_disable(&pdev->dev);
return ret;
}
@@ -662,6 +664,7 @@ static int uniphier_sd_remove(struct platform_device *pdev)
tmio_mmc_host_remove(host);
uniphier_sd_clk_disable(host);
pm_runtime_disable(&pdev->dev);
return 0;
}