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mmc: dw_mmc-pci: deploy runtime PM facilities

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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>
This commit is contained in:
Shawn Lin 2016-10-12 10:56:34 +08:00 committed by Ulf Hansson
parent cf5237eff9
commit 53b2728811
1 changed files with 9 additions and 20 deletions
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29
drivers/mmc/host/dw_mmc-pci.c
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@ -14,6 +14,7 @@
#include <linux/io.h> #include <linux/io.h>
#include <linux/irq.h> #include <linux/irq.h>
#include <linux/pci.h> #include <linux/pci.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h> #include <linux/slab.h>
#include <linux/mmc/host.h> #include <linux/mmc/host.h>
#include <linux/mmc/mmc.h> #include <linux/mmc/mmc.h>
@ -79,25 +80,13 @@ static void dw_mci_pci_remove(struct pci_dev *pdev)
dw_mci_remove(host); dw_mci_remove(host);
} }
#ifdef CONFIG_PM_SLEEP static const struct dev_pm_ops dw_mci_pci_dev_pm_ops = {
static int dw_mci_pci_suspend(struct device *dev) SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
{ pm_runtime_force_resume)
struct pci_dev *pdev = to_pci_dev(dev); SET_RUNTIME_PM_OPS(dw_mci_runtime_suspend,
struct dw_mci *host = pci_get_drvdata(pdev); dw_mci_runtime_resume,
NULL)
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 pci_device_id dw_mci_pci_id[] = { static const struct pci_device_id dw_mci_pci_id[] = {
{ PCI_DEVICE(SYNOPSYS_DW_MCI_VENDOR_ID, SYNOPSYS_DW_MCI_DEVICE_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, .probe = dw_mci_pci_probe,
.remove = dw_mci_pci_remove, .remove = dw_mci_pci_remove,
.driver = { .driver = {
.pm = &dw_mci_pci_pmops .pm = &dw_mci_pci_dev_pm_ops,
}, },
}; };