From: Felipe Balbi <[email protected]>

cleanup a bit and start preparing for splitting
platform_device from platform_driver.

Signed-off-by: Felipe Balbi <[email protected]>
---
 drivers/cbus/tahvo.c |   31 ++++++++++++++++---------------
 1 files changed, 16 insertions(+), 15 deletions(-)

diff --git a/drivers/cbus/tahvo.c b/drivers/cbus/tahvo.c
index 9bc3f56..7d49252 100644
--- a/drivers/cbus/tahvo.c
+++ b/drivers/cbus/tahvo.c
@@ -303,7 +303,7 @@ EXPORT_SYMBOL(tahvo_free_irq);
  * Probe for the Tahvo ASIC and allocate memory
  * for its device-struct if found
  */
-static int __devinit tahvo_probe(struct device *dev)
+static int __devinit tahvo_probe(struct platform_device *pdev)
 {
        int rev, id, ret;
 
@@ -322,11 +322,11 @@ static int __devinit tahvo_probe(struct device *dev)
                tahvo_is_betty = 1;
                tahvo_7bit_backlight = 1;
        } else {
-               dev_err(dev, "Tahvo/Betty chip not found");
+               dev_err(&pdev->dev, "Tahvo/Betty chip not found");
                return -ENODEV;
        }
 
-       dev_err(dev, "%s v%d.%d found\n", tahvo_is_betty ? "Betty" : "Tahvo",
+       dev_err(&pdev->dev, "%s v%d.%d found\n", tahvo_is_betty ? "Betty" : 
"Tahvo",
               (rev >> 4) & 0x0f, rev & 0x0f);
 
        /* REVISIT: Pass these from board-*.c files in platform_data */
@@ -336,13 +336,13 @@ static int __devinit tahvo_probe(struct device *dev)
                        machine_is_nokia_n810_wimax()) {
                tahvo_irq_pin = 111;
        } else {
-               dev_err(dev, "cbus: Unsupported board for tahvo\n");
+               dev_err(&pdev->dev, "cbus: Unsupported board for tahvo\n");
                return -ENODEV;
        }
 
        ret = gpio_request(tahvo_irq_pin, "TAHVO irq");
        if (ret) {
-               dev_err(dev, "Unable to reserve IRQ GPIO\n");
+               dev_err(&pdev->dev, "Unable to reserve IRQ GPIO\n");
                return ret;
        }
 
@@ -358,14 +358,14 @@ static int __devinit tahvo_probe(struct device *dev)
        ret = request_irq(gpio_to_irq(tahvo_irq_pin), tahvo_irq_handler, 0,
                          "tahvo", 0);
        if (ret < 0) {
-               dev_err(dev, "Unable to register IRQ handler\n");
+               dev_err(&pdev->dev, "Unable to register IRQ handler\n");
                gpio_free(tahvo_irq_pin);
                return ret;
        }
 #ifdef CONFIG_CBUS_TAHVO_USER
        /* Initialize user-space interface */
        if (tahvo_user_init() < 0) {
-               dev_err(dev, "Unable to initialize driver\n");
+               dev_err(&pdev->dev, "Unable to initialize driver\n");
                free_irq(gpio_to_irq(tahvo_irq_pin), 0);
                gpio_free(tahvo_irq_pin);
                return ret;
@@ -374,7 +374,7 @@ static int __devinit tahvo_probe(struct device *dev)
        return 0;
 }
 
-static int tahvo_remove(struct device *dev)
+static int __devexit tahvo_remove(struct platform_device *pdev)
 {
 #ifdef CONFIG_CBUS_TAHVO_USER
        tahvo_user_cleanup();
@@ -393,11 +393,12 @@ static void tahvo_device_release(struct device *dev)
        complete(&device_release);
 }
 
-static struct device_driver tahvo_driver = {
-       .name           = "tahvo",
-       .bus            = &platform_bus_type,
+static struct platform_driver tahvo_driver = {
        .probe          = tahvo_probe,
-       .remove         = tahvo_remove,
+       .remove         = __devexit_p(tahvo_remove),
+       .driver         = {
+               .name   = "tahvo",
+       },
 };
 
 static struct platform_device tahvo_device = {
@@ -423,13 +424,13 @@ static int __init tahvo_init(void)
 
        init_completion(&device_release);
 
-       ret = driver_register(&tahvo_driver);
+       ret = platform_driver_register(&tahvo_driver);
        if (ret)
                return ret;
 
        ret = platform_device_register(&tahvo_device);
        if (ret) {
-               driver_unregister(&tahvo_driver);
+               platform_driver_unregister(&tahvo_driver);
                return ret;
        }
        return 0;
@@ -441,7 +442,7 @@ static int __init tahvo_init(void)
 static void __exit tahvo_exit(void)
 {
        platform_device_unregister(&tahvo_device);
-       driver_unregister(&tahvo_driver);
+       platform_driver_unregister(&tahvo_driver);
        wait_for_completion(&device_release);
 }
 
-- 
1.7.0.rc0.33.g7c3932

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