xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mmc: tmio: move runtime PM enablement to the driver implementations

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/mmc/host/tmio_mmc.c
View File

@@ -172,6 +172,8 @@ static int tmio_mmc_probe(struct platform_device *pdev)
host->mmc->f_max = pdata->hclk;
host->mmc->f_min = pdata->hclk / 512;
pm_runtime_enable(&pdev->dev);
ret = tmio_mmc_host_probe(host);
if (ret)
goto host_free;
@@ -191,6 +193,7 @@ host_remove:
tmio_mmc_host_remove(host);
host_free:
tmio_mmc_host_free(host);
pm_runtime_disable(&pdev->dev);
cell_disable:
if (cell->disable)
cell->disable(pdev);
@@ -207,6 +210,8 @@ static int tmio_mmc_remove(struct platform_device *pdev)
if (cell->disable)
cell->disable(pdev);
pm_runtime_disable(&pdev->dev);
return 0;
}