mtd: spear_smi: Move suspend/resume to follow dev_pm_ops

Use dev_pm_ops to support PM specific callbacks.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 17 insertions, 11 deletions

diff --git a/drivers/mtd/devices/spear_smi.c b/drivers/mtd/devices/spear_smi.c
index 67960362681..cffd36a916d 100644
--- a/drivers/mtd/devices/spear_smi.c
+++ b/drivers/mtd/devices/spear_smi.c
@@ -26,6 +26,7 @@
 #include <linux/module.h>
 #include <linux/param.h>
 #include <linux/platform_device.h>
+#include <linux/pm.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/spear_smi.h>
@@ -1086,29 +1087,33 @@ static int __devexit spear_smi_remove(struct platform_device *pdev)
         return 0;
 }
 
-int spear_smi_suspend(struct platform_device *pdev, pm_message_t state)
+#ifdef CONFIG_PM
+static int spear_smi_suspend(struct device *dev)
 {
-        struct spear_smi *dev = platform_get_drvdata(pdev);
+        struct spear_smi *sdev = dev_get_drvdata(dev);
 
-        if (dev && dev->clk)
-                clk_disable_unprepare(dev->clk);
+        if (sdev && sdev->clk)
+                clk_disable_unprepare(sdev->clk);
 
         return 0;
 }
 
-int spear_smi_resume(struct platform_device *pdev)
+static int spear_smi_resume(struct device *dev)
 {
-        struct spear_smi *dev = platform_get_drvdata(pdev);
+        struct spear_smi *sdev = dev_get_drvdata(dev);
         int ret = -EPERM;
 
-        if (dev && dev->clk)
-                ret = clk_prepare_enable(dev->clk);
+        if (sdev && sdev->clk)
+                ret = clk_prepare_enable(sdev->clk);
 
         if (!ret)
-                spear_smi_hw_init(dev);
+                spear_smi_hw_init(sdev);
         return ret;
 }
 
+static SIMPLE_DEV_PM_OPS(spear_smi_pm_ops, spear_smi_suspend, spear_smi_resume);
+#endif
+
 #ifdef CONFIG_OF
 static const struct of_device_id spear_smi_id_table[] = {
         { .compatible = "st,spear600-smi" },
@@ -1123,11 +1128,12 @@ static struct platform_driver spear_smi_driver = {
                 .bus = &platform_bus_type,
                 .owner = THIS_MODULE,
                 .of_match_table = of_match_ptr(spear_smi_id_table),
+#ifdef CONFIG_PM
+                .pm = &spear_smi_pm_ops,
+#endif
         },
         .probe = spear_smi_probe,
         .remove = __devexit_p(spear_smi_remove),
-        .suspend = spear_smi_suspend,
-        .resume = spear_smi_resume,
 };
 
 static int spear_smi_init(void)