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authorShawn Lin <shawn.lin@rock-chips.com>2016-10-12 10:56:46 +0800
committerUlf Hansson <ulf.hansson@linaro.org>2016-11-29 09:00:41 +0100
commitee2112be41822b60e3708b4145d448dd5580196d (patch)
tree8dd712c2bfbe9e446df08df765c849096794361a /drivers/mmc/host/dw_mmc-pltfm.c
parent53b272881181552223cc9919dab4c1604b253048 (diff)
downloadop-kernel-dev-ee2112be41822b60e3708b4145d448dd5580196d.zip
op-kernel-dev-ee2112be41822b60e3708b4145d448dd5580196d.tar.gz
mmc: dw_mmc-pltfm: deploy runtime PM facilities
Let's migrate it to use runtime PM and remove the system PM callback from this driver. With this patch, it could handle system PM properly and could also use runtime PM if we enable it. Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/dw_mmc-pltfm.c')
-rw-r--r--drivers/mmc/host/dw_mmc-pltfm.c28
1 files changed, 8 insertions, 20 deletions
diff --git a/drivers/mmc/host/dw_mmc-pltfm.c b/drivers/mmc/host/dw_mmc-pltfm.c
index dbbc430..1236d49b 100644
--- a/drivers/mmc/host/dw_mmc-pltfm.c
+++ b/drivers/mmc/host/dw_mmc-pltfm.c
@@ -16,6 +16,7 @@
#include <linux/io.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include <linux/mmc/host.h>
#include <linux/mmc/mmc.h>
@@ -58,26 +59,13 @@ int dw_mci_pltfm_register(struct platform_device *pdev,
}
EXPORT_SYMBOL_GPL(dw_mci_pltfm_register);
-#ifdef CONFIG_PM_SLEEP
-/*
- * TODO: we should probably disable the clock to the card in the suspend path.
- */
-static int dw_mci_pltfm_suspend(struct device *dev)
-{
- struct dw_mci *host = dev_get_drvdata(dev);
-
- return dw_mci_suspend(host);
-}
-
-static int dw_mci_pltfm_resume(struct device *dev)
-{
- struct dw_mci *host = dev_get_drvdata(dev);
-
- return dw_mci_resume(host);
-}
-#endif /* CONFIG_PM_SLEEP */
-
-SIMPLE_DEV_PM_OPS(dw_mci_pltfm_pmops, dw_mci_pltfm_suspend, dw_mci_pltfm_resume);
+const struct dev_pm_ops dw_mci_pltfm_pmops = {
+ SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+ pm_runtime_force_resume)
+ SET_RUNTIME_PM_OPS(dw_mci_runtime_suspend,
+ dw_mci_runtime_resume,
+ NULL)
+};
EXPORT_SYMBOL_GPL(dw_mci_pltfm_pmops);
static const struct of_device_id dw_mci_pltfm_match[] = {
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