[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>

5 files changed, 67 insertions, 63 deletions

diff --git a/drivers/input/keyboard/corgikbd.c b/drivers/input/keyboard/corgikbd.c
index d00d14bb637a..64672d491222 100644
--- a/drivers/input/keyboard/corgikbd.c
+++ b/drivers/input/keyboard/corgikbd.c
@@ -259,17 +259,17 @@ static void corgikbd_hinge_timer(unsigned long data)
 }
 
 #ifdef CONFIG_PM
-static int corgikbd_suspend(struct device *dev, pm_message_t state)
+static int corgikbd_suspend(struct platform_device *dev, pm_message_t state)
 {
-        struct corgikbd *corgikbd = dev_get_drvdata(dev);
+        struct corgikbd *corgikbd = platform_get_drvdata(dev);
         corgikbd->suspended = 1;
 
         return 0;
 }
 
-static int corgikbd_resume(struct device *dev)
+static int corgikbd_resume(struct platform_device *dev)
 {
-        struct corgikbd *corgikbd = dev_get_drvdata(dev);
+        struct corgikbd *corgikbd = platform_get_drvdata(dev);
 
         /* Upon resume, ignore the suspend key for a short while */
         corgikbd->suspend_jiffies=jiffies;
@@ -282,7 +282,7 @@ static int corgikbd_resume(struct device *dev)
 #define corgikbd_resume         NULL
 #endif
 
-static int __init corgikbd_probe(struct device *dev)
+static int __init corgikbd_probe(struct platform_device *pdev)
 {
         struct corgikbd *corgikbd;
         struct input_dev *input_dev;
@@ -296,7 +296,7 @@ static int __init corgikbd_probe(struct device *dev)
                 return -ENOMEM;
         }
 
-        dev_set_drvdata(dev, corgikbd);
+        platform_set_drvdata(pdev, corgikbd);
 
         corgikbd->input = input_dev;
         spin_lock_init(&corgikbd->lock);
@@ -321,7 +321,7 @@ static int __init corgikbd_probe(struct device *dev)
         input_dev->id.vendor = 0x0001;
         input_dev->id.product = 0x0001;
         input_dev->id.version = 0x0100;
-        input_dev->cdev.dev = dev;
+        input_dev->cdev.dev = &pdev->dev;
         input_dev->private = corgikbd;
 
         input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP) | BIT(EV_PWR) | BIT(EV_SW);
@@ -356,10 +356,10 @@ static int __init corgikbd_probe(struct device *dev)
         return 0;
 }
 
-static int corgikbd_remove(struct device *dev)
+static int corgikbd_remove(struct platform_device *pdev)
 {
         int i;
-        struct corgikbd *corgikbd = dev_get_drvdata(dev);
+        struct corgikbd *corgikbd = platform_get_drvdata(pdev);
 
         for (i = 0; i < CORGI_KEY_SENSE_NUM; i++)
                 free_irq(CORGI_IRQ_GPIO_KEY_SENSE(i), corgikbd);
@@ -374,23 +374,24 @@ static int corgikbd_remove(struct device *dev)
         return 0;
 }
 
-static struct device_driver corgikbd_driver = {
-        .name           = "corgi-keyboard",
-        .bus            = &platform_bus_type,
+static struct platform_driver corgikbd_driver = {
         .probe          = corgikbd_probe,
         .remove         = corgikbd_remove,
         .suspend        = corgikbd_suspend,
         .resume         = corgikbd_resume,
+        .driver         = {
+                .name   = "corgi-keyboard",
+        },
 };
 
 static int __devinit corgikbd_init(void)
 {
-        return driver_register(&corgikbd_driver);
+        return platform_driver_register(&corgikbd_driver);
 }
 
 static void __exit corgikbd_exit(void)
 {
-        driver_unregister(&corgikbd_driver);
+        platform_driver_unregister(&corgikbd_driver);
 }
 
 module_init(corgikbd_init);
diff --git a/drivers/input/keyboard/spitzkbd.c b/drivers/input/keyboard/spitzkbd.c
index 0fa38a559cdf..6a15fe3bc527 100644
--- a/drivers/input/keyboard/spitzkbd.c
+++ b/drivers/input/keyboard/spitzkbd.c
@@ -309,10 +309,10 @@ static void spitzkbd_hinge_timer(unsigned long data)
 }
 
 #ifdef CONFIG_PM
-static int spitzkbd_suspend(struct device *dev, pm_message_t state)
+static int spitzkbd_suspend(struct platform_device *dev, pm_message_t state)
 {
         int i;
-        struct spitzkbd *spitzkbd = dev_get_drvdata(dev);
+        struct spitzkbd *spitzkbd = platform_get_drvdata(dev);
         spitzkbd->suspended = 1;
 
         /* Set Strobe lines as inputs - *except* strobe line 0 leave this
@@ -323,10 +323,10 @@ static int spitzkbd_suspend(struct device *dev, pm_message_t state)
         return 0;
 }
 
-static int spitzkbd_resume(struct device *dev)
+static int spitzkbd_resume(struct platform_device *dev)
 {
         int i;
-        struct spitzkbd *spitzkbd = dev_get_drvdata(dev);
+        struct spitzkbd *spitzkbd = platform_get_drvdata(dev);
 
         for (i = 0; i < SPITZ_KEY_STROBE_NUM; i++)
                 pxa_gpio_mode(spitz_strobes[i] | GPIO_OUT | GPIO_DFLT_HIGH);
@@ -342,7 +342,7 @@ static int spitzkbd_resume(struct device *dev)
 #define spitzkbd_resume         NULL
 #endif
 
-static int __init spitzkbd_probe(struct device *dev)
+static int __init spitzkbd_probe(struct platform_device *dev)
 {
         struct spitzkbd *spitzkbd;
         struct input_dev *input_dev;
@@ -358,7 +358,7 @@ static int __init spitzkbd_probe(struct device *dev)
                 return -ENOMEM;
         }
 
-        dev_set_drvdata(dev, spitzkbd);
+        platform_set_drvdata(dev, spitzkbd);
         strcpy(spitzkbd->phys, "spitzkbd/input0");
 
         spin_lock_init(&spitzkbd->lock);
@@ -380,7 +380,7 @@ static int __init spitzkbd_probe(struct device *dev)
         input_dev->private = spitzkbd;
         input_dev->name = "Spitz Keyboard";
         input_dev->phys = spitzkbd->phys;
-        input_dev->cdev.dev = dev;
+        input_dev->cdev.dev = &dev->dev;
 
         input_dev->id.bustype = BUS_HOST;
         input_dev->id.vendor = 0x0001;
@@ -437,10 +437,10 @@ static int __init spitzkbd_probe(struct device *dev)
         return 0;
 }
 
-static int spitzkbd_remove(struct device *dev)
+static int spitzkbd_remove(struct platform_device *dev)
 {
         int i;
-        struct spitzkbd *spitzkbd = dev_get_drvdata(dev);
+        struct spitzkbd *spitzkbd = platform_get_drvdata(dev);
 
         for (i = 0; i < SPITZ_KEY_SENSE_NUM; i++)
                 free_irq(IRQ_GPIO(spitz_senses[i]), spitzkbd);
@@ -460,23 +460,24 @@ static int spitzkbd_remove(struct device *dev)
         return 0;
 }
 
-static struct device_driver spitzkbd_driver = {
-        .name           = "spitz-keyboard",
-        .bus            = &platform_bus_type,
+static struct platform_driver spitzkbd_driver = {
         .probe          = spitzkbd_probe,
         .remove         = spitzkbd_remove,
         .suspend        = spitzkbd_suspend,
         .resume         = spitzkbd_resume,
+        .driver         = {
+                .name   = "spitz-keyboard",
+        },
 };
 
 static int __devinit spitzkbd_init(void)
 {
-        return driver_register(&spitzkbd_driver);
+        return platform_driver_register(&spitzkbd_driver);
 }
 
 static void __exit spitzkbd_exit(void)
 {
-        driver_unregister(&spitzkbd_driver);
+        platform_driver_unregister(&spitzkbd_driver);
 }
 
 module_init(spitzkbd_init);
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index 01e186422021..ac86c1d1d83e 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -912,7 +912,7 @@ static long i8042_panic_blink(long count)
  * Here we try to restore the original BIOS settings
  */
 
-static int i8042_suspend(struct device *dev, pm_message_t state)
+static int i8042_suspend(struct platform_device *dev, pm_message_t state)
 {
         del_timer_sync(&i8042_timer);
         i8042_controller_reset();
@@ -925,7 +925,7 @@ static int i8042_suspend(struct device *dev, pm_message_t state)
  * Here we try to reset everything back to a state in which suspended
  */
 
-static int i8042_resume(struct device *dev)
+static int i8042_resume(struct platform_device *dev)
 {
         int i;
 
@@ -964,17 +964,18 @@ static int i8042_resume(struct device *dev)
  * because otherwise BIOSes will be confused.
  */
 
-static void i8042_shutdown(struct device *dev)
+static void i8042_shutdown(struct platform_device *dev)
 {
         i8042_controller_cleanup();
 }
 
-static struct device_driver i8042_driver = {
-        .name           = "i8042",
-        .bus            = &platform_bus_type,
+static struct platform_driver i8042_driver = {
         .suspend        = i8042_suspend,
         .resume         = i8042_resume,
         .shutdown       = i8042_shutdown,
+        .driver         = {
+                .name   = "i8042",
+        },
 };
 
 static int __init i8042_create_kbd_port(void)
@@ -1078,7 +1079,7 @@ static int __init i8042_init(void)
                 goto err_platform_exit;
         }
 
-        err = driver_register(&i8042_driver);
+        err = platform_driver_register(&i8042_driver);
         if (err)
                 goto err_controller_cleanup;
 
@@ -1126,7 +1127,7 @@ static int __init i8042_init(void)
  err_unregister_device:
         platform_device_unregister(i8042_platform_device);
  err_unregister_driver:
-        driver_unregister(&i8042_driver);
+        platform_driver_unregister(&i8042_driver);
  err_controller_cleanup:
         i8042_controller_cleanup();
  err_platform_exit:
@@ -1148,7 +1149,7 @@ static void __exit i8042_exit(void)
         del_timer_sync(&i8042_timer);
 
         platform_device_unregister(i8042_platform_device);
-        driver_unregister(&i8042_driver);
+        platform_driver_unregister(&i8042_driver);
 
         i8042_platform_exit();
 
diff --git a/drivers/input/serio/rpckbd.c b/drivers/input/serio/rpckbd.c
index 52c49258f8a4..a3bd11589bc3 100644
--- a/drivers/input/serio/rpckbd.c
+++ b/drivers/input/serio/rpckbd.c
@@ -107,7 +107,7 @@ static void rpckbd_close(struct serio *port)
  * Allocate and initialize serio structure for subsequent registration
  * with serio core.
  */
-static int __devinit rpckbd_probe(struct device *dev)
+static int __devinit rpckbd_probe(struct platform_device *dev)
 {
         struct serio *serio;
 
@@ -120,37 +120,38 @@ static int __devinit rpckbd_probe(struct device *dev)
         serio->write            = rpckbd_write;
         serio->open             = rpckbd_open;
         serio->close            = rpckbd_close;
-        serio->dev.parent       = dev;
+        serio->dev.parent       = &dev->dev;
         strlcpy(serio->name, "RiscPC PS/2 kbd port", sizeof(serio->name));
         strlcpy(serio->phys, "rpckbd/serio0", sizeof(serio->phys));
 
-        dev_set_drvdata(dev, serio);
+        platform_set_drvdata(dev, serio);
         serio_register_port(serio);
         return 0;
 }
 
-static int __devexit rpckbd_remove(struct device *dev)
+static int __devexit rpckbd_remove(struct platform_device *dev)
 {
-        struct serio *serio = dev_get_drvdata(dev);
+        struct serio *serio = platform_get_drvdata(dev);
         serio_unregister_port(serio);
         return 0;
 }
 
-static struct device_driver rpckbd_driver = {
-        .name           = "kart",
-        .bus            = &platform_bus_type,
+static struct platform_driver rpckbd_driver = {
         .probe          = rpckbd_probe,
         .remove         = __devexit_p(rpckbd_remove),
+        .driver         = {
+                .name   = "kart",
+        },
 };
 
 static int __init rpckbd_init(void)
 {
-        return driver_register(&rpckbd_driver);
+        return platform_driver_register(&rpckbd_driver);
 }
 
 static void __exit rpckbd_exit(void)
 {
-        driver_unregister(&rpckbd_driver);
+        platform_driver_unregister(&rpckbd_driver);
 }
 
 module_init(rpckbd_init);
diff --git a/drivers/input/touchscreen/corgi_ts.c b/drivers/input/touchscreen/corgi_ts.c
index 15e88eeae8d6..1042987856f7 100644
--- a/drivers/input/touchscreen/corgi_ts.c
+++ b/drivers/input/touchscreen/corgi_ts.c
@@ -231,9 +231,9 @@ static irqreturn_t ts_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 }
 
 #ifdef CONFIG_PM
-static int corgits_suspend(struct device *dev, pm_message_t state)
+static int corgits_suspend(struct platform_device *dev, pm_message_t state)
 {
-        struct corgi_ts *corgi_ts = dev_get_drvdata(dev);
+        struct corgi_ts *corgi_ts = platform_get_drvdata(dev);
 
         if (corgi_ts->pendown) {
                 del_timer_sync(&corgi_ts->timer);
@@ -248,9 +248,9 @@ static int corgits_suspend(struct device *dev, pm_message_t state)
         return 0;
 }
 
-static int corgits_resume(struct device *dev)
+static int corgits_resume(struct platform_device *dev)
 {
-        struct corgi_ts *corgi_ts = dev_get_drvdata(dev);
+        struct corgi_ts *corgi_ts = platform_get_drvdata(dev);
 
         corgi_ssp_ads7846_putget((4u << ADSCTRL_ADR_SH) | ADSCTRL_STS);
         /* Enable Falling Edge */
@@ -264,10 +264,9 @@ static int corgits_resume(struct device *dev)
 #define corgits_resume          NULL
 #endif
 
-static int __init corgits_probe(struct device *dev)
+static int __init corgits_probe(struct platform_device *pdev)
 {
         struct corgi_ts *corgi_ts;
-        struct platform_device *pdev = to_platform_device(dev);
         struct input_dev *input_dev;
         int err = -ENOMEM;
 
@@ -276,9 +275,9 @@ static int __init corgits_probe(struct device *dev)
         if (!corgi_ts || !input_dev)
                 goto fail;
 
-        dev_set_drvdata(dev, corgi_ts);
+        platform_set_drvdata(pdev, corgi_ts);
 
-        corgi_ts->machinfo = dev->platform_data;
+        corgi_ts->machinfo = pdev->dev.platform_data;
         corgi_ts->irq_gpio = platform_get_irq(pdev, 0);
 
         if (corgi_ts->irq_gpio < 0) {
@@ -298,7 +297,7 @@ static int __init corgits_probe(struct device *dev)
         input_dev->id.vendor = 0x0001;
         input_dev->id.product = 0x0002;
         input_dev->id.version = 0x0100;
-        input_dev->cdev.dev = dev;
+        input_dev->cdev.dev = &pdev->dev;
         input_dev->private = corgi_ts;
 
         input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
@@ -339,9 +338,9 @@ static int __init corgits_probe(struct device *dev)
 
 }
 
-static int corgits_remove(struct device *dev)
+static int corgits_remove(struct platform_device *pdev)
 {
-        struct corgi_ts *corgi_ts = dev_get_drvdata(dev);
+        struct corgi_ts *corgi_ts = platform_get_drvdata(pdev);
 
         free_irq(corgi_ts->irq_gpio, NULL);
         del_timer_sync(&corgi_ts->timer);
@@ -351,23 +350,24 @@ static int corgits_remove(struct device *dev)
         return 0;
 }
 
-static struct device_driver corgits_driver = {
-        .name           = "corgi-ts",
-        .bus            = &platform_bus_type,
+static struct platform_driver corgits_driver = {
         .probe          = corgits_probe,
         .remove         = corgits_remove,
         .suspend        = corgits_suspend,
         .resume         = corgits_resume,
+        .driver         = {
+                .name   = "corgi-ts",
+        },
 };
 
 static int __devinit corgits_init(void)
 {
-        return driver_register(&corgits_driver);
+        return platform_driver_register(&corgits_driver);
 }
 
 static void __exit corgits_exit(void)
 {
-        driver_unregister(&corgits_driver);
+        platform_driver_unregister(&corgits_driver);
 }
 
 module_init(corgits_init);