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Commit 53b27288 authored by Shawn Lin's avatar Shawn Lin Committed by Ulf Hansson
Browse files

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: default avatarShawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: default avatarJaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent cf5237ef

drivers/mmc/host/dw_mmc-pci.c

+9 −20
Original line number Diff line number Diff line
@@ -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,

	},

};