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authorShawn Lin <shawn.lin@rock-chips.com>2016-10-12 04:56:34 +0200
committerUlf Hansson <ulf.hansson@linaro.org>2016-11-29 09:00:40 +0100
commit53b272881181552223cc9919dab4c1604b253048 (patch)
tree0f8e6746d433af5ba5da439fb68b846809adc482 /drivers/mmc/host/dw_mmc-pci.c
parentmmc: dw_mmc-exynos: deploy runtime PM facilities (diff)
downloadlinux-53b272881181552223cc9919dab4c1604b253048.tar.xz
linux-53b272881181552223cc9919dab4c1604b253048.zip
mmc: dw_mmc-pci: 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-pci.c')
-rw-r--r--drivers/mmc/host/dw_mmc-pci.c29
1 files changed, 9 insertions, 20 deletions
diff --git a/drivers/mmc/host/dw_mmc-pci.c b/drivers/mmc/host/dw_mmc-pci.c
index 4c69fbd29811..ab82796b01e2 100644
--- a/drivers/mmc/host/dw_mmc-pci.c
+++ b/drivers/mmc/host/dw_mmc-pci.c
@@ -14,6 +14,7 @@
#include <linux/io.h>
#include <linux/irq.h>
#include <linux/pci.h>
+#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include <linux/mmc/host.h>
#include <linux/mmc/mmc.h>
@@ -79,25 +80,13 @@ static void dw_mci_pci_remove(struct pci_dev *pdev)
dw_mci_remove(host);
}
-#ifdef CONFIG_PM_SLEEP
-static int dw_mci_pci_suspend(struct device *dev)
-{
- struct pci_dev *pdev = to_pci_dev(dev);
- struct dw_mci *host = pci_get_drvdata(pdev);
-
- return dw_mci_suspend(host);
-}
-
-static int dw_mci_pci_resume(struct device *dev)
-{
- struct pci_dev *pdev = to_pci_dev(dev);
- struct dw_mci *host = pci_get_drvdata(pdev);
-
- return dw_mci_resume(host);
-}
-#endif /* CONFIG_PM_SLEEP */
-
-static SIMPLE_DEV_PM_OPS(dw_mci_pci_pmops, dw_mci_pci_suspend, dw_mci_pci_resume);
+static const struct dev_pm_ops dw_mci_pci_dev_pm_ops = {
+ 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)
+};
static const struct pci_device_id dw_mci_pci_id[] = {
{ PCI_DEVICE(SYNOPSYS_DW_MCI_VENDOR_ID, SYNOPSYS_DW_MCI_DEVICE_ID) },
@@ -111,7 +100,7 @@ static struct pci_driver dw_mci_pci_driver = {
.probe = dw_mci_pci_probe,
.remove = dw_mci_pci_remove,
.driver = {
- .pm = &dw_mci_pci_pmops
+ .pm = &dw_mci_pci_dev_pm_ops,
},
};