[DRIVER MODEL] Convert platform drivers to use struct platform_driver

This allows us to eliminate the casts in the drivers, and eventually
remove the use of the device_driver function pointer methods for
platform device drivers.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 25 insertions, 25 deletions

diff --git a/drivers/char/s3c2410-rtc.c b/drivers/char/s3c2410-rtc.c
index d724c0de4f28..3df7a574267b 100644
--- a/drivers/char/s3c2410-rtc.c
+++ b/drivers/char/s3c2410-rtc.c
@@ -382,7 +382,7 @@ static struct rtc_ops s3c2410_rtcops = {
         .proc           = s3c2410_rtc_proc,
 };
 
-static void s3c2410_rtc_enable(struct device *dev, int en)
+static void s3c2410_rtc_enable(struct platform_device *pdev, int en)
 {
         unsigned int tmp;
 
@@ -399,21 +399,21 @@ static void s3c2410_rtc_enable(struct device *dev, int en)
                 /* re-enable the device, and check it is ok */
 
                 if ((readb(S3C2410_RTCCON) & S3C2410_RTCCON_RTCEN) == 0){
-                        dev_info(dev, "rtc disabled, re-enabling\n");
+                        dev_info(&pdev->dev, "rtc disabled, re-enabling\n");
 
                         tmp = readb(S3C2410_RTCCON);
                         writeb(tmp | S3C2410_RTCCON_RTCEN , S3C2410_RTCCON);
                 }
 
                 if ((readb(S3C2410_RTCCON) & S3C2410_RTCCON_CNTSEL)){
-                        dev_info(dev, "removing S3C2410_RTCCON_CNTSEL\n");
+                        dev_info(&pdev->dev, "removing S3C2410_RTCCON_CNTSEL\n");
 
                         tmp = readb(S3C2410_RTCCON);
                         writeb(tmp& ~S3C2410_RTCCON_CNTSEL , S3C2410_RTCCON);
                 }
 
                 if ((readb(S3C2410_RTCCON) & S3C2410_RTCCON_CLKRST)){
-                        dev_info(dev, "removing S3C2410_RTCCON_CLKRST\n");
+                        dev_info(&pdev->dev, "removing S3C2410_RTCCON_CLKRST\n");
 
                         tmp = readb(S3C2410_RTCCON);
                         writeb(tmp & ~S3C2410_RTCCON_CLKRST, S3C2410_RTCCON);
@@ -421,7 +421,7 @@ static void s3c2410_rtc_enable(struct device *dev, int en)
         }
 }
 
-static int s3c2410_rtc_remove(struct device *dev)
+static int s3c2410_rtc_remove(struct platform_device *dev)
 {
         unregister_rtc(&s3c2410_rtcops);
 
@@ -438,25 +438,24 @@ static int s3c2410_rtc_remove(struct device *dev)
         return 0;
 }
 
-static int s3c2410_rtc_probe(struct device *dev)
+static int s3c2410_rtc_probe(struct platform_device *pdev)
 {
-        struct platform_device *pdev = to_platform_device(dev);
         struct resource *res;
         int ret;
 
-        pr_debug("%s: probe=%p, device=%p\n", __FUNCTION__, pdev, dev);
+        pr_debug("%s: probe=%p\n", __FUNCTION__, pdev);
 
         /* find the IRQs */
 
         s3c2410_rtc_tickno = platform_get_irq(pdev, 1);
         if (s3c2410_rtc_tickno <= 0) {
-                dev_err(dev, "no irq for rtc tick\n");
+                dev_err(&pdev->dev, "no irq for rtc tick\n");
                 return -ENOENT;
         }
 
         s3c2410_rtc_alarmno = platform_get_irq(pdev, 0);
         if (s3c2410_rtc_alarmno <= 0) {
-                dev_err(dev, "no irq for alarm\n");
+                dev_err(&pdev->dev, "no irq for alarm\n");
                 return -ENOENT;
         }
 
@@ -467,7 +466,7 @@ static int s3c2410_rtc_probe(struct device *dev)
 
         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         if (res == NULL) {
-                dev_err(dev, "failed to get memory region resource\n");
+                dev_err(&pdev->dev, "failed to get memory region resource\n");
                 return -ENOENT;
         }
 
@@ -475,14 +474,14 @@ static int s3c2410_rtc_probe(struct device *dev)
                                      pdev->name);
 
         if (s3c2410_rtc_mem == NULL) {
-                dev_err(dev, "failed to reserve memory region\n");
+                dev_err(&pdev->dev, "failed to reserve memory region\n");
                 ret = -ENOENT;
                 goto exit_err;
         }
 
         s3c2410_rtc_base = ioremap(res->start, res->end - res->start + 1);
         if (s3c2410_rtc_base == NULL) {
-                dev_err(dev, "failed ioremap()\n");
+                dev_err(&pdev->dev, "failed ioremap()\n");
                 ret = -EINVAL;
                 goto exit_err;
         }
@@ -494,7 +493,7 @@ static int s3c2410_rtc_probe(struct device *dev)
 
         /* check to see if everything is setup correctly */
 
-        s3c2410_rtc_enable(dev, 1);
+        s3c2410_rtc_enable(pdev, 1);
 
         pr_debug("s3c2410_rtc: RTCCON=%02x\n", readb(S3C2410_RTCCON));
 
@@ -506,7 +505,7 @@ static int s3c2410_rtc_probe(struct device *dev)
         return 0;
 
  exit_err:
-        dev_err(dev, "error %d during initialisation\n", ret);
+        dev_err(&pdev->dev, "error %d during initialisation\n", ret);
 
         return ret;
 }
@@ -519,7 +518,7 @@ static struct timespec s3c2410_rtc_delta;
 
 static int ticnt_save;
 
-static int s3c2410_rtc_suspend(struct device *dev, pm_message_t state)
+static int s3c2410_rtc_suspend(struct platform_device *pdev, pm_message_t state)
 {
         struct rtc_time tm;
         struct timespec time;
@@ -535,19 +534,19 @@ static int s3c2410_rtc_suspend(struct device *dev, pm_message_t state)
         s3c2410_rtc_gettime(&tm);
         rtc_tm_to_time(&tm, &time.tv_sec);
         save_time_delta(&s3c2410_rtc_delta, &time);
-        s3c2410_rtc_enable(dev, 0);
+        s3c2410_rtc_enable(pdev, 0);
 
         return 0;
 }
 
-static int s3c2410_rtc_resume(struct device *dev)
+static int s3c2410_rtc_resume(struct platform_device *pdev)
 {
         struct rtc_time tm;
         struct timespec time;
 
         time.tv_nsec = 0;
 
-        s3c2410_rtc_enable(dev, 1);
+        s3c2410_rtc_enable(pdev, 1);
         s3c2410_rtc_gettime(&tm);
         rtc_tm_to_time(&tm, &time.tv_sec);
         restore_time_delta(&s3c2410_rtc_delta, &time);
@@ -560,14 +559,15 @@ static int s3c2410_rtc_resume(struct device *dev)
 #define s3c2410_rtc_resume  NULL
 #endif
 
-static struct device_driver s3c2410_rtcdrv = {
-        .name           = "s3c2410-rtc",
-        .owner          = THIS_MODULE,
-        .bus            = &platform_bus_type,
+static struct platform_driver s3c2410_rtcdrv = {
         .probe          = s3c2410_rtc_probe,
         .remove         = s3c2410_rtc_remove,
         .suspend        = s3c2410_rtc_suspend,
         .resume         = s3c2410_rtc_resume,
+        .driver         = {
+                .name   = "s3c2410-rtc",
+                .owner  = THIS_MODULE,
+        },
 };
 
 static char __initdata banner[] = "S3C2410 RTC, (c) 2004 Simtec Electronics\n";
@@ -575,12 +575,12 @@ static char __initdata banner[] = "S3C2410 RTC, (c) 2004 Simtec Electronics\n";
 static int __init s3c2410_rtc_init(void)
 {
         printk(banner);
-        return driver_register(&s3c2410_rtcdrv);
+        return platform_driver_register(&s3c2410_rtcdrv);
 }
 
 static void __exit s3c2410_rtc_exit(void)
 {
-        driver_unregister(&s3c2410_rtcdrv);
+        platform_driver_unregister(&s3c2410_rtcdrv);
 }
 
 module_init(s3c2410_rtc_init);