Commit 7ff21319 authored by Niklas Söderlund's avatar Niklas Söderlund Committed by Ulf Hansson

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

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: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: default avatarNiklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Acked-by: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent fdc4e755
...@@ -770,6 +770,8 @@ int renesas_sdhi_probe(struct platform_device *pdev, ...@@ -770,6 +770,8 @@ int renesas_sdhi_probe(struct platform_device *pdev,
/* All SDHI have SDIO status bits which must be 1 */ /* All SDHI have SDIO status bits which must be 1 */
mmc_data->flags |= TMIO_MMC_SDIO_STATUS_SETBITS; mmc_data->flags |= TMIO_MMC_SDIO_STATUS_SETBITS;
pm_runtime_enable(&pdev->dev);
ret = renesas_sdhi_clk_enable(host); ret = renesas_sdhi_clk_enable(host);
if (ret) if (ret)
goto efree; goto efree;
...@@ -850,6 +852,8 @@ int renesas_sdhi_probe(struct platform_device *pdev, ...@@ -850,6 +852,8 @@ int renesas_sdhi_probe(struct platform_device *pdev,
efree: efree:
tmio_mmc_host_free(host); tmio_mmc_host_free(host);
pm_runtime_disable(&pdev->dev);
return ret; return ret;
} }
EXPORT_SYMBOL_GPL(renesas_sdhi_probe); EXPORT_SYMBOL_GPL(renesas_sdhi_probe);
...@@ -861,6 +865,8 @@ int renesas_sdhi_remove(struct platform_device *pdev) ...@@ -861,6 +865,8 @@ int renesas_sdhi_remove(struct platform_device *pdev)
tmio_mmc_host_remove(host); tmio_mmc_host_remove(host);
renesas_sdhi_clk_disable(host); renesas_sdhi_clk_disable(host);
pm_runtime_disable(&pdev->dev);
return 0; return 0;
} }
EXPORT_SYMBOL_GPL(renesas_sdhi_remove); EXPORT_SYMBOL_GPL(renesas_sdhi_remove);
......
...@@ -172,6 +172,8 @@ static int tmio_mmc_probe(struct platform_device *pdev) ...@@ -172,6 +172,8 @@ static int tmio_mmc_probe(struct platform_device *pdev)
host->mmc->f_max = pdata->hclk; host->mmc->f_max = pdata->hclk;
host->mmc->f_min = pdata->hclk / 512; host->mmc->f_min = pdata->hclk / 512;
pm_runtime_enable(&pdev->dev);
ret = tmio_mmc_host_probe(host); ret = tmio_mmc_host_probe(host);
if (ret) if (ret)
goto host_free; goto host_free;
...@@ -191,6 +193,7 @@ static int tmio_mmc_probe(struct platform_device *pdev) ...@@ -191,6 +193,7 @@ static int tmio_mmc_probe(struct platform_device *pdev)
tmio_mmc_host_remove(host); tmio_mmc_host_remove(host);
host_free: host_free:
tmio_mmc_host_free(host); tmio_mmc_host_free(host);
pm_runtime_disable(&pdev->dev);
cell_disable: cell_disable:
if (cell->disable) if (cell->disable)
cell->disable(pdev); cell->disable(pdev);
...@@ -207,6 +210,8 @@ static int tmio_mmc_remove(struct platform_device *pdev) ...@@ -207,6 +210,8 @@ static int tmio_mmc_remove(struct platform_device *pdev)
if (cell->disable) if (cell->disable)
cell->disable(pdev); cell->disable(pdev);
pm_runtime_disable(&pdev->dev);
return 0; return 0;
} }
......
...@@ -1153,6 +1153,15 @@ void tmio_mmc_host_free(struct tmio_mmc_host *host) ...@@ -1153,6 +1153,15 @@ void tmio_mmc_host_free(struct tmio_mmc_host *host)
} }
EXPORT_SYMBOL_GPL(tmio_mmc_host_free); EXPORT_SYMBOL_GPL(tmio_mmc_host_free);
/**
* tmio_mmc_host_probe() - Common probe for all implementations
* @_host: Host to probe
*
* Perform tasks common to all implementations probe functions.
*
* The caller should have called pm_runtime_enable() prior to calling
* the common probe function.
*/
int tmio_mmc_host_probe(struct tmio_mmc_host *_host) int tmio_mmc_host_probe(struct tmio_mmc_host *_host)
{ {
struct platform_device *pdev = _host->pdev; struct platform_device *pdev = _host->pdev;
...@@ -1261,7 +1270,6 @@ int tmio_mmc_host_probe(struct tmio_mmc_host *_host) ...@@ -1261,7 +1270,6 @@ int tmio_mmc_host_probe(struct tmio_mmc_host *_host)
pm_runtime_set_active(&pdev->dev); pm_runtime_set_active(&pdev->dev);
pm_runtime_set_autosuspend_delay(&pdev->dev, 50); pm_runtime_set_autosuspend_delay(&pdev->dev, 50);
pm_runtime_use_autosuspend(&pdev->dev); pm_runtime_use_autosuspend(&pdev->dev);
pm_runtime_enable(&pdev->dev);
ret = mmc_add_host(mmc); ret = mmc_add_host(mmc);
if (ret) if (ret)
...@@ -1297,7 +1305,6 @@ void tmio_mmc_host_remove(struct tmio_mmc_host *host) ...@@ -1297,7 +1305,6 @@ void tmio_mmc_host_remove(struct tmio_mmc_host *host)
pm_runtime_dont_use_autosuspend(&pdev->dev); pm_runtime_dont_use_autosuspend(&pdev->dev);
pm_runtime_put_sync(&pdev->dev); pm_runtime_put_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
} }
EXPORT_SYMBOL_GPL(tmio_mmc_host_remove); EXPORT_SYMBOL_GPL(tmio_mmc_host_remove);
......
...@@ -631,6 +631,7 @@ static int uniphier_sd_probe(struct platform_device *pdev) ...@@ -631,6 +631,7 @@ static int uniphier_sd_probe(struct platform_device *pdev)
host->clk_disable = uniphier_sd_clk_disable; host->clk_disable = uniphier_sd_clk_disable;
host->set_clock = uniphier_sd_set_clock; host->set_clock = uniphier_sd_set_clock;
pm_runtime_enable(&pdev->dev);
ret = uniphier_sd_clk_enable(host); ret = uniphier_sd_clk_enable(host);
if (ret) if (ret)
goto free_host; goto free_host;
...@@ -652,6 +653,7 @@ static int uniphier_sd_probe(struct platform_device *pdev) ...@@ -652,6 +653,7 @@ static int uniphier_sd_probe(struct platform_device *pdev)
free_host: free_host:
tmio_mmc_host_free(host); tmio_mmc_host_free(host);
pm_runtime_disable(&pdev->dev);
return ret; return ret;
} }
...@@ -662,6 +664,7 @@ static int uniphier_sd_remove(struct platform_device *pdev) ...@@ -662,6 +664,7 @@ static int uniphier_sd_remove(struct platform_device *pdev)
tmio_mmc_host_remove(host); tmio_mmc_host_remove(host);
uniphier_sd_clk_disable(host); uniphier_sd_clk_disable(host);
pm_runtime_disable(&pdev->dev);
return 0; return 0;
} }
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment