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Subject[RFT][PATCH 09/12] mmc: change msm_sdcc platform power management to use dev_pm_ops
Date
Change msm_sdcc platform driver to register pm ops using dev_pm_ops instead of
legacy pm_ops. .pm hooks call existing legacy suspend and resume interfaces
by passing in the right pm state.

Signed-off-by: Shuah Khan <shuah.kh@samsung.com>
---
drivers/mmc/host/msm_sdcc.c | 42 +++++++++++++++++++++++++++++++++++-------
1 file changed, 35 insertions(+), 7 deletions(-)

diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index 9405ecd..311e32a 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -1417,7 +1417,7 @@ ioremap_free:

#ifdef CONFIG_PM
static int
-msmsdcc_suspend(struct platform_device *dev, pm_message_t state)
+__msmsdcc_suspend(struct platform_device *dev, pm_message_t state)
{
struct mmc_host *mmc = mmc_get_drvdata(dev);

@@ -1434,8 +1434,23 @@ msmsdcc_suspend(struct platform_device *dev, pm_message_t state)
return 0;
}

+static int msmsdcc_suspend(struct device *dev)
+{
+ return __msmsdcc_suspend(to_platform_device(dev), PMSG_SUSPEND);
+}
+
+static int msmsdcc_freeze(struct device *dev)
+{
+ return __msmsdcc_suspend(to_platform_device(dev), PMSG_FREEZE);
+}
+
+static int msmsdcc_poweroff(struct device *dev)
+{
+ return __msmsdcc_suspend(to_platform_device(dev), PMSG_HIBERNATE);
+}
+
static int
-msmsdcc_resume(struct platform_device *dev)
+__msmsdcc_resume(struct platform_device *dev)
{
struct mmc_host *mmc = mmc_get_drvdata(dev);

@@ -1454,17 +1469,30 @@ msmsdcc_resume(struct platform_device *dev)
}
return 0;
}
-#else
-#define msmsdcc_suspend 0
-#define msmsdcc_resume 0
+
+static int msmsdcc_resume(struct device *dev)
+{
+ return __msmsdcc_resume(to_platform_device(dev));
+}
+
+static const struct dev_pm_ops msmsdcc_dev_pm_ops = {
+ .suspend = msmsdcc_suspend,
+ .resume = msmsdcc_resume,
+ /* Hibernate hooks */
+ .freeze = msmsdcc_freeze,
+ .thaw = msmsdcc_resume,
+ .poweroff = msmsdcc_poweroff,
+ .restore = msmsdcc_resume,
+};
#endif

static struct platform_driver msmsdcc_driver = {
.probe = msmsdcc_probe,
- .suspend = msmsdcc_suspend,
- .resume = msmsdcc_resume,
.driver = {
.name = "msm_sdcc",
+#ifdef CONFIG_PM
+ .pm = &msmsdcc_dev_pm_ops,
+#endif
},
};

--
1.7.10.4


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