[PATCH] ARM: OMAP: RTC: Use struct platform driver

omap-rtc: Use struct platform_driver

Signed-off-by: Komal Shah <komal_shah802003@yahoo.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/drivers/char/omap-rtc.c b/drivers/char/omap-rtc.c
index 63ad322476e36b94b466de9d2b2ff591b6385657..d0e0014b705fd6aade3523b5947aff0ecab5932a 100644 (file)
--- a/drivers/char/omap-rtc.c
+++ b/drivers/char/omap-rtc.c
@@ -439,9 +439,8 @@ static struct miscdevice rtc_dev = {
        .fops           = &rtc_fops,
 };
 
-static int __init omap_rtc_probe(struct device *dev)
+static int __init omap_rtc_probe(struct platform_device *pdev)
 {
-       struct platform_device  *pdev = to_platform_device(dev);
        struct resource         *res, *mem;
 
        /* find the IRQs */
@@ -470,7 +469,7 @@ static int __init omap_rtc_probe(struct device *dev)
                        pdev->name, OMAP_RTC_BASE);
                return -EBUSY;
        }
-       dev_set_drvdata(dev, mem);
+       platform_set_drvdata(pdev, mem);
 
        if (CMOS_READ(OMAP_RTC_STATUS_REG) & OMAP_RTC_STATUS_POWER_UP) {
                pr_info("%s: RTC power up reset detected.\n",
@@ -519,7 +518,7 @@ fail:
        return -EIO;
 }
 
-static int __exit omap_rtc_remove(struct device *dev)
+static int omap_rtc_remove(struct platform_device *pdev)
 {
        free_irq (omap_rtc_timer, NULL);
        free_irq (omap_rtc_alarm, NULL);
@@ -527,7 +526,7 @@ static int __exit omap_rtc_remove(struct device *dev)
        remove_proc_entry ("driver/rtc", NULL);
        misc_deregister(&rtc_dev);
 
-       release_resource(dev_get_drvdata(dev));
+       release_resource(platform_get_drvdata(pdev));
        return 0;
 }
 
@@ -726,7 +725,7 @@ static void set_rtc_irq_bit(unsigned char bit)
 #ifdef CONFIG_PM
 static struct timespec rtc_delta;
 
-static int rtc_suspend(struct device *dev, pm_message_t state)
+static int omap_rtc_suspend(struct platform_device *pdev, pm_message_t state)
 {
        struct rtc_time rtc_tm;
        struct timespec time;
@@ -740,7 +739,7 @@ static int rtc_suspend(struct device *dev, pm_message_t state)
        return 0;
 }
 
-static int rtc_resume(struct device *dev)
+static int omap_rtc_resume(struct platform_device *pdev)
 {
        struct rtc_time rtc_tm;
        struct timespec time;
@@ -754,27 +753,32 @@ static int rtc_resume(struct device *dev)
        return 0;
 }
 #else
-#define rtc_suspend NULL
-#define rtc_resume  NULL
+#define omap_rtc_suspend NULL
+#define omap_rtc_resume  NULL
 #endif
 
-static struct device_driver omap_rtc_driver = {
-       .name           = "omap_rtc",
-       .bus            = &platform_bus_type,
+static struct platform_driver omap_rtc_driver = {
        .probe          = omap_rtc_probe,
-       .remove         = __exit_p(omap_rtc_remove),
-       .suspend        = rtc_suspend,
-       .resume         = rtc_resume,
+       .remove         = omap_rtc_remove,
+       .suspend        = omap_rtc_suspend,
+       .resume         = omap_rtc_resume,
+       .driver         = {
+               .name   = "omap_rtc",
+               .owner  = THIS_MODULE,
+       },
 };
 
+static char __initdata banner[] = KERN_INFO "OMAP RTC Driver\n";
+
 static int __init rtc_init(void)
 {
-       return driver_register(&omap_rtc_driver);
+       printk(banner);
+       return platform_driver_register(&omap_rtc_driver);
 }
 
 static void __exit rtc_exit(void)
 {
-       driver_unregister(&omap_rtc_driver);
+       platform_driver_unregister(&omap_rtc_driver);
 }
 
 module_init(rtc_init);