[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>

8 files changed, 99 insertions, 97 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);
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index d05067dcea01..51a07370e636 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -1168,7 +1168,7 @@ static int sonypi_disable(void)
 #ifdef CONFIG_PM
 static int old_camera_power;
 
-static int sonypi_suspend(struct device *dev, pm_message_t state)
+static int sonypi_suspend(struct platform_device *dev, pm_message_t state)
 {
         old_camera_power = sonypi_device.camera_power;
         sonypi_disable();
@@ -1176,26 +1176,27 @@ static int sonypi_suspend(struct device *dev, pm_message_t state)
         return 0;
 }
 
-static int sonypi_resume(struct device *dev)
+static int sonypi_resume(struct platform_device *dev)
 {
         sonypi_enable(old_camera_power);
         return 0;
 }
 #endif
 
-static void sonypi_shutdown(struct device *dev)
+static void sonypi_shutdown(struct platform_device *dev)
 {
         sonypi_disable();
 }
 
-static struct device_driver sonypi_driver = {
-        .name           = "sonypi",
-        .bus            = &platform_bus_type,
+static struct platform_driver sonypi_driver = {
 #ifdef CONFIG_PM
         .suspend        = sonypi_suspend,
         .resume         = sonypi_resume,
 #endif
         .shutdown       = sonypi_shutdown,
+        .driver         = {
+                .name   = "sonypi",
+        },
 };
 
 static int __devinit sonypi_create_input_devices(void)
@@ -1455,20 +1456,20 @@ static int __init sonypi_init(void)
         if (!dmi_check_system(sonypi_dmi_table))
                 return -ENODEV;
 
-        ret = driver_register(&sonypi_driver);
+        ret = platform_driver_register(&sonypi_driver);
         if (ret)
                 return ret;
 
         ret = sonypi_probe();
         if (ret)
-                driver_unregister(&sonypi_driver);
+                platform_driver_unregister(&sonypi_driver);
 
         return ret;
 }
 
 static void __exit sonypi_exit(void)
 {
-        driver_unregister(&sonypi_driver);
+        platform_driver_unregister(&sonypi_driver);
         sonypi_remove();
 }
 
diff --git a/drivers/char/tb0219.c b/drivers/char/tb0219.c
index 24355b23b2ca..b3d411a756fe 100644
--- a/drivers/char/tb0219.c
+++ b/drivers/char/tb0219.c
@@ -283,7 +283,7 @@ static void tb0219_pci_irq_init(void)
         vr41xx_set_irq_level(TB0219_PCI_SLOT3_PIN, IRQ_LEVEL_LOW);
 }
 
-static int tb0219_probe(struct device *dev)
+static int tb0219_probe(struct platform_device *dev)
 {
         int retval;
 
@@ -319,7 +319,7 @@ static int tb0219_probe(struct device *dev)
         return 0;
 }
 
-static int tb0219_remove(struct device *dev)
+static int tb0219_remove(struct platform_device *dev)
 {
         _machine_restart = old_machine_restart;
 
@@ -333,11 +333,12 @@ static int tb0219_remove(struct device *dev)
 
 static struct platform_device *tb0219_platform_device;
 
-static struct device_driver tb0219_device_driver = {
-        .name           = "TB0219",
-        .bus            = &platform_bus_type,
+static struct platform_driver tb0219_device_driver = {
         .probe          = tb0219_probe,
         .remove         = tb0219_remove,
+        .driver         = {
+                .name   = "TB0219",
+        },
 };
 
 static int __devinit tanbac_tb0219_init(void)
@@ -348,7 +349,7 @@ static int __devinit tanbac_tb0219_init(void)
         if (IS_ERR(tb0219_platform_device))
                 return PTR_ERR(tb0219_platform_device);
 
-        retval = driver_register(&tb0219_device_driver);
+        retval = platform_driver_register(&tb0219_device_driver);
         if (retval < 0)
                 platform_device_unregister(tb0219_platform_device);
 
@@ -357,7 +358,7 @@ static int __devinit tanbac_tb0219_init(void)
 
 static void __devexit tanbac_tb0219_exit(void)
 {
-        driver_unregister(&tb0219_device_driver);
+        platform_driver_unregister(&tb0219_device_driver);
 
         platform_device_unregister(tb0219_platform_device);
 }
diff --git a/drivers/char/vr41xx_giu.c b/drivers/char/vr41xx_giu.c
index 94641085faf8..9ac6d43437b3 100644
--- a/drivers/char/vr41xx_giu.c
+++ b/drivers/char/vr41xx_giu.c
@@ -613,7 +613,7 @@ static struct file_operations gpio_fops = {
         .release        = gpio_release,
 };
 
-static int giu_probe(struct device *dev)
+static int giu_probe(struct platform_device *dev)
 {
         unsigned long start, size, flags = 0;
         unsigned int nr_pins = 0;
@@ -697,7 +697,7 @@ static int giu_probe(struct device *dev)
         return cascade_irq(GIUINT_IRQ, giu_get_irq);
 }
 
-static int giu_remove(struct device *dev)
+static int giu_remove(struct platform_device *dev)
 {
         iounmap(giu_base);
 
@@ -710,11 +710,12 @@ static int giu_remove(struct device *dev)
 
 static struct platform_device *giu_platform_device;
 
-static struct device_driver giu_device_driver = {
-        .name           = "GIU",
-        .bus            = &platform_bus_type,
+static struct platform_driver giu_device_driver = {
         .probe          = giu_probe,
         .remove         = giu_remove,
+        .driver         = {
+                .name   = "GIU",
+        },
 };
 
 static int __devinit vr41xx_giu_init(void)
@@ -725,7 +726,7 @@ static int __devinit vr41xx_giu_init(void)
         if (IS_ERR(giu_platform_device))
                 return PTR_ERR(giu_platform_device);
 
-        retval = driver_register(&giu_device_driver);
+        retval = platform_driver_register(&giu_device_driver);
         if (retval < 0)
                 platform_device_unregister(giu_platform_device);
 
@@ -734,7 +735,7 @@ static int __devinit vr41xx_giu_init(void)
 
 static void __devexit vr41xx_giu_exit(void)
 {
-        driver_unregister(&giu_device_driver);
+        platform_driver_unregister(&giu_device_driver);
 
         platform_device_unregister(giu_platform_device);
 }
diff --git a/drivers/char/vr41xx_rtc.c b/drivers/char/vr41xx_rtc.c
index 5e3292df69d8..435b30748e23 100644
--- a/drivers/char/vr41xx_rtc.c
+++ b/drivers/char/vr41xx_rtc.c
@@ -560,13 +560,11 @@ static struct miscdevice rtc_miscdevice = {
         .fops   = &rtc_fops,
 };
 
-static int rtc_probe(struct device *dev)
+static int rtc_probe(struct platform_device *pdev)
 {
-        struct platform_device *pdev;
         unsigned int irq;
         int retval;
 
-        pdev = to_platform_device(dev);
         if (pdev->num_resources != 2)
                 return -EBUSY;
 
@@ -635,7 +633,7 @@ static int rtc_probe(struct device *dev)
         return 0;
 }
 
-static int rtc_remove(struct device *dev)
+static int rtc_remove(struct platform_device *dev)
 {
         int retval;
 
@@ -655,11 +653,12 @@ static int rtc_remove(struct device *dev)
 
 static struct platform_device *rtc_platform_device;
 
-static struct device_driver rtc_device_driver = {
-        .name           = rtc_name,
-        .bus            = &platform_bus_type,
+static struct platform_driver rtc_device_driver = {
         .probe          = rtc_probe,
         .remove         = rtc_remove,
+        .driver         = {
+                .name   = rtc_name,
+        },
 };
 
 static int __devinit vr41xx_rtc_init(void)
@@ -691,7 +690,7 @@ static int __devinit vr41xx_rtc_init(void)
         if (IS_ERR(rtc_platform_device))
                 return PTR_ERR(rtc_platform_device);
 
-        retval = driver_register(&rtc_device_driver);
+        retval = platform_driver_register(&rtc_device_driver);
         if (retval < 0)
                 platform_device_unregister(rtc_platform_device);
 
@@ -700,7 +699,7 @@ static int __devinit vr41xx_rtc_init(void)
 
 static void __devexit vr41xx_rtc_exit(void)
 {
-        driver_unregister(&rtc_device_driver);
+        platform_driver_unregister(&rtc_device_driver);
 
         platform_device_unregister(rtc_platform_device);
 }
diff --git a/drivers/char/watchdog/mpcore_wdt.c b/drivers/char/watchdog/mpcore_wdt.c
index da631c114fd1..9defcf861b67 100644
--- a/drivers/char/watchdog/mpcore_wdt.c
+++ b/drivers/char/watchdog/mpcore_wdt.c
@@ -139,7 +139,7 @@ static int mpcore_wdt_set_heartbeat(int t)
  */
 static int mpcore_wdt_open(struct inode *inode, struct file *file)
 {
-        struct mpcore_wdt *wdt = dev_get_drvdata(&mpcore_wdt_dev->dev);
+        struct mpcore_wdt *wdt = platform_get_drvdata(mpcore_wdt_dev);
 
         if (test_and_set_bit(0, &wdt->timer_alive))
                 return -EBUSY;
@@ -291,9 +291,9 @@ static int mpcore_wdt_ioctl(struct inode *inode, struct file *file,
  *      System shutdown handler.  Turn off the watchdog if we're
  *      restarting or halting the system.
  */
-static void mpcore_wdt_shutdown(struct device *_dev)
+static void mpcore_wdt_shutdown(struct platform_device *dev)
 {
-        struct mpcore_wdt *wdt = dev_get_drvdata(_dev);
+        struct mpcore_wdt *wdt = platform_get_drvdata(dev);
 
         if (system_state == SYSTEM_RESTART || system_state == SYSTEM_HALT)
                 mpcore_wdt_stop(wdt);
@@ -317,9 +317,8 @@ static struct miscdevice mpcore_wdt_miscdev = {
         .fops           = &mpcore_wdt_fops,
 };
 
-static int __devinit mpcore_wdt_probe(struct device *_dev)
+static int __devinit mpcore_wdt_probe(struct platform_device *dev)
 {
-        struct platform_device *dev = to_platform_device(_dev);
         struct mpcore_wdt *wdt;
         struct resource *res;
         int ret;
@@ -364,7 +363,7 @@ static int __devinit mpcore_wdt_probe(struct device *_dev)
         }
 
         mpcore_wdt_stop(wdt);
-        dev_set_drvdata(&dev->dev, wdt);
+        platform_set_drvdata(&dev->dev, wdt);
         mpcore_wdt_dev = dev;
 
         return 0;
@@ -379,11 +378,11 @@ static int __devinit mpcore_wdt_probe(struct device *_dev)
         return ret;
 }
 
-static int __devexit mpcore_wdt_remove(struct device *dev)
+static int __devexit mpcore_wdt_remove(struct platform_device *dev)
 {
-        struct mpcore_wdt *wdt = dev_get_drvdata(dev);
+        struct mpcore_wdt *wdt = platform_get_drvdata(dev);
 
-        dev_set_drvdata(dev, NULL);
+        platform_set_drvdata(dev, NULL);
 
         misc_deregister(&mpcore_wdt_miscdev);
 
@@ -395,13 +394,14 @@ static int __devexit mpcore_wdt_remove(struct device *dev)
         return 0;
 }
 
-static struct device_driver mpcore_wdt_driver = {
-        .owner          = THIS_MODULE,
-        .name           = "mpcore_wdt",
-        .bus            = &platform_bus_type,
+static struct platform_driver mpcore_wdt_driver = {
         .probe          = mpcore_wdt_probe,
         .remove         = __devexit_p(mpcore_wdt_remove),
         .shutdown       = mpcore_wdt_shutdown,
+        .driver         = {
+                .owner  = THIS_MODULE,
+                .name   = "mpcore_wdt",
+        },
 };
 
 static char banner[] __initdata = KERN_INFO "MPcore Watchdog Timer: 0.1. mpcore_noboot=%d mpcore_margin=%d sec (nowayout= %d)\n";
@@ -420,12 +420,12 @@ static int __init mpcore_wdt_init(void)
 
         printk(banner, mpcore_noboot, mpcore_margin, nowayout);
 
-        return driver_register(&mpcore_wdt_driver);
+        return platform_driver_register(&mpcore_wdt_driver);
 }
 
 static void __exit mpcore_wdt_exit(void)
 {
-        driver_unregister(&mpcore_wdt_driver);
+        platform_driver_unregister(&mpcore_wdt_driver);
 }
 
 module_init(mpcore_wdt_init);
diff --git a/drivers/char/watchdog/mv64x60_wdt.c b/drivers/char/watchdog/mv64x60_wdt.c
index 119b3c541d95..00d9ef04a369 100644
--- a/drivers/char/watchdog/mv64x60_wdt.c
+++ b/drivers/char/watchdog/mv64x60_wdt.c
@@ -182,10 +182,9 @@ static struct miscdevice mv64x60_wdt_miscdev = {
         .fops = &mv64x60_wdt_fops,
 };
 
-static int __devinit mv64x60_wdt_probe(struct device *dev)
+static int __devinit mv64x60_wdt_probe(struct platform_device *dev)
 {
-        struct platform_device *pd = to_platform_device(dev);
-        struct mv64x60_wdt_pdata *pdata = pd->dev.platform_data;
+        struct mv64x60_wdt_pdata *pdata = dev->dev.platform_data;
         int bus_clk = 133;
 
         mv64x60_wdt_timeout = 10;
@@ -202,7 +201,7 @@ static int __devinit mv64x60_wdt_probe(struct device *dev)
         return misc_register(&mv64x60_wdt_miscdev);
 }
 
-static int __devexit mv64x60_wdt_remove(struct device *dev)
+static int __devexit mv64x60_wdt_remove(struct platform_device *dev)
 {
         misc_deregister(&mv64x60_wdt_miscdev);
 
@@ -212,12 +211,13 @@ static int __devexit mv64x60_wdt_remove(struct device *dev)
         return 0;
 }
 
-static struct device_driver mv64x60_wdt_driver = {
-        .owner = THIS_MODULE,
-        .name = MV64x60_WDT_NAME,
-        .bus = &platform_bus_type,
+static struct platform_driver mv64x60_wdt_driver = {
         .probe = mv64x60_wdt_probe,
         .remove = __devexit_p(mv64x60_wdt_remove),
+        .driver = {
+                .owner = THIS_MODULE,
+                .name = MV64x60_WDT_NAME,
+        },
 };
 
 static struct platform_device *mv64x60_wdt_dev;
@@ -235,14 +235,14 @@ static int __init mv64x60_wdt_init(void)
                 goto out;
         }
 
-        ret = driver_register(&mv64x60_wdt_driver);
+        ret = platform_driver_register(&mv64x60_wdt_driver);
       out:
         return ret;
 }
 
 static void __exit mv64x60_wdt_exit(void)
 {
-        driver_unregister(&mv64x60_wdt_driver);
+        platform_driver_unregister(&mv64x60_wdt_driver);
         platform_device_unregister(mv64x60_wdt_dev);
 }
 
diff --git a/drivers/char/watchdog/s3c2410_wdt.c b/drivers/char/watchdog/s3c2410_wdt.c
index 751cb77b0715..eb667daee19b 100644
--- a/drivers/char/watchdog/s3c2410_wdt.c
+++ b/drivers/char/watchdog/s3c2410_wdt.c
@@ -347,15 +347,14 @@ static irqreturn_t s3c2410wdt_irq(int irqno, void *param,
 }
 /* device interface */
 
-static int s3c2410wdt_probe(struct device *dev)
+static int s3c2410wdt_probe(struct platform_device *pdev)
 {
-        struct platform_device *pdev = to_platform_device(dev);
         struct resource *res;
         int started = 0;
         int ret;
         int size;
 
-        DBG("%s: probe=%p, device=%p\n", __FUNCTION__, pdev, dev);
+        DBG("%s: probe=%p\n", __FUNCTION__, pdev);
 
         /* get the memory region for the watchdog timer */
 
@@ -386,13 +385,13 @@ static int s3c2410wdt_probe(struct device *dev)
                 return -ENOENT;
         }
 
-        ret = request_irq(res->start, s3c2410wdt_irq, 0, pdev->name, dev);
+        ret = request_irq(res->start, s3c2410wdt_irq, 0, pdev->name, pdev);
         if (ret != 0) {
                 printk(KERN_INFO PFX "failed to install irq (%d)\n", ret);
                 return ret;
         }
 
-        wdt_clock = clk_get(dev, "watchdog");
+        wdt_clock = clk_get(&pdev->dev, "watchdog");
         if (wdt_clock == NULL) {
                 printk(KERN_INFO PFX "failed to find watchdog clock source\n");
                 return -ENOENT;
@@ -430,7 +429,7 @@ static int s3c2410wdt_probe(struct device *dev)
         return 0;
 }
 
-static int s3c2410wdt_remove(struct device *dev)
+static int s3c2410wdt_remove(struct platform_device *dev)
 {
         if (wdt_mem != NULL) {
                 release_resource(wdt_mem);
@@ -454,7 +453,7 @@ static int s3c2410wdt_remove(struct device *dev)
         return 0;
 }
 
-static void s3c2410wdt_shutdown(struct device *dev)
+static void s3c2410wdt_shutdown(struct platform_device *dev)
 {
         s3c2410wdt_stop();      
 }
@@ -464,7 +463,7 @@ static void s3c2410wdt_shutdown(struct device *dev)
 static unsigned long wtcon_save;
 static unsigned long wtdat_save;
 
-static int s3c2410wdt_suspend(struct device *dev, pm_message_t state)
+static int s3c2410wdt_suspend(struct platform_device *dev, pm_message_t state)
 {
         /* Save watchdog state, and turn it off. */
         wtcon_save = readl(wdt_base + S3C2410_WTCON);
@@ -476,7 +475,7 @@ static int s3c2410wdt_suspend(struct device *dev, pm_message_t state)
         return 0;
 }
 
-static int s3c2410wdt_resume(struct device *dev)
+static int s3c2410wdt_resume(struct platform_device *dev)
 {
         /* Restore watchdog state. */
 
@@ -496,15 +495,16 @@ static int s3c2410wdt_resume(struct device *dev)
 #endif /* CONFIG_PM */
 
 
-static struct device_driver s3c2410wdt_driver = {
-        .owner          = THIS_MODULE,
-        .name           = "s3c2410-wdt",
-        .bus            = &platform_bus_type,
+static struct platform_driver s3c2410wdt_driver = {
         .probe          = s3c2410wdt_probe,
         .remove         = s3c2410wdt_remove,
         .shutdown       = s3c2410wdt_shutdown,
         .suspend        = s3c2410wdt_suspend,
         .resume         = s3c2410wdt_resume,
+        .driver         = {
+                .owner  = THIS_MODULE,
+                .name   = "s3c2410-wdt",
+        },
 };
 
 
@@ -513,12 +513,12 @@ static char banner[] __initdata = KERN_INFO "S3C2410 Watchdog Timer, (c) 2004 Si
 static int __init watchdog_init(void)
 {
         printk(banner);
-        return driver_register(&s3c2410wdt_driver);
+        return platform_driver_register(&s3c2410wdt_driver);
 }
 
 static void __exit watchdog_exit(void)
 {
-        driver_unregister(&s3c2410wdt_driver);
+        platform_driver_unregister(&s3c2410wdt_driver);
 }
 
 module_init(watchdog_init);