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authorNiklas Söderlund <niklas.soderlund+renesas@ragnatech.se>2019-04-11 01:22:40 +0300
committerUlf Hansson <ulf.hansson@linaro.org>2019-06-10 18:09:56 +0300
commit7ff213193310ef8d0ee5f04f79d791210787ac2c (patch)
tree65ed947c776ad42451f96eb625332c8a4cecb161 /drivers/mmc/host/tmio_mmc_core.c
parentfdc4e755f6c516e526dd9396b6eb05712c44fb65 (diff)
downloadlinux-7ff213193310ef8d0ee5f04f79d791210787ac2c.tar.xz
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: 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>
Diffstat (limited to 'drivers/mmc/host/tmio_mmc_core.c')
-rw-r--r--drivers/mmc/host/tmio_mmc_core.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/mmc/host/tmio_mmc_core.c b/drivers/mmc/host/tmio_mmc_core.c
index 84cb7d2aacdf..83fd94341113 100644
--- a/drivers/mmc/host/tmio_mmc_core.c
+++ b/drivers/mmc/host/tmio_mmc_core.c
@@ -1153,6 +1153,15 @@ void tmio_mmc_host_free(struct tmio_mmc_host *host)
}
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)
{
struct platform_device *pdev = _host->pdev;
@@ -1261,7 +1270,6 @@ int tmio_mmc_host_probe(struct tmio_mmc_host *_host)
pm_runtime_set_active(&pdev->dev);
pm_runtime_set_autosuspend_delay(&pdev->dev, 50);
pm_runtime_use_autosuspend(&pdev->dev);
- pm_runtime_enable(&pdev->dev);
ret = mmc_add_host(mmc);
if (ret)
@@ -1297,7 +1305,6 @@ void tmio_mmc_host_remove(struct tmio_mmc_host *host)
pm_runtime_dont_use_autosuspend(&pdev->dev);
pm_runtime_put_sync(&pdev->dev);
- pm_runtime_disable(&pdev->dev);
}
EXPORT_SYMBOL_GPL(tmio_mmc_host_remove);