[media] convert drivers/media/* to use module_platform_driver()

This patch converts the drivers in drivers/media/* to use the
module_platform_driver() macro which makes the code smaller and a bit
simpler.

Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Hans Verkuil <hans.verkuil@cisco.com>
Cc: "Richard Röjfors" <richard.rojfors@pelagicore.com>
Cc: "Matti J. Aaltonen" <matti.j.aaltonen@nokia.com>
Cc: Lucas De Marchi <lucas.demarchi@profusion.mobi>
Cc: Manjunath Hadli <manjunath.hadli@ti.com>
Cc: Muralidharan Karicheri <m-karicheri2@ti.com>
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Daniel Drake <dsd@laptop.org>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Matti J. Aaltonen <matti.j.aaltonen@nokia.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

8 files changed, 8 insertions, 147 deletions

diff --git a/drivers/media/video/davinci/dm355_ccdc.c b/drivers/media/video/davinci/dm355_ccdc.c
index bd443ee76fff..f83baf3a52b0 100644
--- a/drivers/media/video/davinci/dm355_ccdc.c
+++ b/drivers/media/video/davinci/dm355_ccdc.c
@@ -1069,15 +1069,4 @@ static struct platform_driver dm355_ccdc_driver = {
         .probe = dm355_ccdc_probe,
 };
 
-static int __init dm355_ccdc_init(void)
-{
-        return platform_driver_register(&dm355_ccdc_driver);
-}
-
-static void __exit dm355_ccdc_exit(void)
-{
-        platform_driver_unregister(&dm355_ccdc_driver);
-}
-
-module_init(dm355_ccdc_init);
-module_exit(dm355_ccdc_exit);
+module_platform_driver(dm355_ccdc_driver);
diff --git a/drivers/media/video/davinci/dm644x_ccdc.c b/drivers/media/video/davinci/dm644x_ccdc.c
index 8051c2956478..9303fe553b07 100644
--- a/drivers/media/video/davinci/dm644x_ccdc.c
+++ b/drivers/media/video/davinci/dm644x_ccdc.c
@@ -1078,15 +1078,4 @@ static struct platform_driver dm644x_ccdc_driver = {
         .probe = dm644x_ccdc_probe,
 };
 
-static int __init dm644x_ccdc_init(void)
-{
-        return platform_driver_register(&dm644x_ccdc_driver);
-}
-
-static void __exit dm644x_ccdc_exit(void)
-{
-        platform_driver_unregister(&dm644x_ccdc_driver);
-}
-
-module_init(dm644x_ccdc_init);
-module_exit(dm644x_ccdc_exit);
+module_platform_driver(dm644x_ccdc_driver);
diff --git a/drivers/media/video/davinci/isif.c b/drivers/media/video/davinci/isif.c
index 29c29c668596..1e63852374be 100644
--- a/drivers/media/video/davinci/isif.c
+++ b/drivers/media/video/davinci/isif.c
@@ -1156,17 +1156,6 @@ static struct platform_driver isif_driver = {
         .probe = isif_probe,
 };
 
-static int __init isif_init(void)
-{
-        return platform_driver_register(&isif_driver);
-}
-
-static void isif_exit(void)
-{
-        platform_driver_unregister(&isif_driver);
-}
-
-module_init(isif_init);
-module_exit(isif_exit);
+module_platform_driver(isif_driver);
 
 MODULE_LICENSE("GPL");
diff --git a/drivers/media/video/davinci/vpbe.c b/drivers/media/video/davinci/vpbe.c
index 1cc254d52a41..c4a82a1a8a97 100644
--- a/drivers/media/video/davinci/vpbe.c
+++ b/drivers/media/video/davinci/vpbe.c
@@ -883,26 +883,4 @@ static struct platform_driver vpbe_driver = {
         .remove = vpbe_remove,
 };
 
-/**
- * vpbe_init: initialize the vpbe driver
- *
- * This function registers device and driver to the kernel
- */
-static __init int vpbe_init(void)
-{
-        return platform_driver_register(&vpbe_driver);
-}
-
-/**
- * vpbe_cleanup : cleanup function for vpbe driver
- *
- * This will un-registers the device and driver to the kernel
- */
-static void vpbe_cleanup(void)
-{
-        platform_driver_unregister(&vpbe_driver);
-}
-
-/* Function for module initialization and cleanup */
-module_init(vpbe_init);
-module_exit(vpbe_cleanup);
+module_platform_driver(vpbe_driver);
diff --git a/drivers/media/video/davinci/vpbe_display.c b/drivers/media/video/davinci/vpbe_display.c
index d98da4bfb256..1f3b1c729252 100644
--- a/drivers/media/video/davinci/vpbe_display.c
+++ b/drivers/media/video/davinci/vpbe_display.c
@@ -1817,43 +1817,7 @@ static struct platform_driver vpbe_display_driver = {
         .remove = __devexit_p(vpbe_display_remove),
 };
 
-/*
- * vpbe_display_init()
- * This function registers device and driver to the kernel, requests irq
- * handler and allocates memory for layer objects
- */
-static __devinit int vpbe_display_init(void)
-{
-        int err;
-
-        printk(KERN_DEBUG "vpbe_display_init\n");
-
-        /* Register driver to the kernel */
-        err = platform_driver_register(&vpbe_display_driver);
-        if (0 != err)
-                return err;
-
-        printk(KERN_DEBUG "vpbe_display_init:"
-                        "VPBE V4L2 Display Driver V1.0 loaded\n");
-        return 0;
-}
-
-/*
- * vpbe_display_cleanup()
- * This function un-registers device and driver to the kernel, frees requested
- * irq handler and de-allocates memory allocated for layer objects.
- */
-static void vpbe_display_cleanup(void)
-{
-        printk(KERN_DEBUG "vpbe_display_cleanup\n");
-
-        /* platform driver unregister */
-        platform_driver_unregister(&vpbe_display_driver);
-}
-
-/* Function for module initialization and cleanup */
-module_init(vpbe_display_init);
-module_exit(vpbe_display_cleanup);
+module_platform_driver(vpbe_display_driver);
 
 MODULE_DESCRIPTION("TI DM644x/DM355/DM365 VPBE Display controller");
 MODULE_LICENSE("GPL");
diff --git a/drivers/media/video/davinci/vpbe_osd.c b/drivers/media/video/davinci/vpbe_osd.c
index feeec2256c48..d6488b79ae3b 100644
--- a/drivers/media/video/davinci/vpbe_osd.c
+++ b/drivers/media/video/davinci/vpbe_osd.c
@@ -1599,23 +1599,7 @@ static struct platform_driver osd_driver = {
         },
 };
 
-static int osd_init(void)
-{
-        if (platform_driver_register(&osd_driver)) {
-                printk(KERN_ERR "Unable to register davinci osd driver\n");
-                return -ENODEV;
-        }
-
-        return 0;
-}
-
-static void osd_exit(void)
-{
-        platform_driver_unregister(&osd_driver);
-}
-
-module_init(osd_init);
-module_exit(osd_exit);
+module_platform_driver(osd_driver);
 
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("DaVinci OSD Manager Driver");
diff --git a/drivers/media/video/davinci/vpbe_venc.c b/drivers/media/video/davinci/vpbe_venc.c
index 53c29943e91f..00e80f59d5d5 100644
--- a/drivers/media/video/davinci/vpbe_venc.c
+++ b/drivers/media/video/davinci/vpbe_venc.c
@@ -700,23 +700,7 @@ static struct platform_driver venc_driver = {
         },
 };
 
-static int venc_init(void)
-{
-        if (platform_driver_register(&venc_driver)) {
-                printk(KERN_ERR "Unable to register venc driver\n");
-                return -ENODEV;
-        }
-        return 0;
-}
-
-static void venc_exit(void)
-{
-        platform_driver_unregister(&venc_driver);
-        return;
-}
-
-module_init(venc_init);
-module_exit(venc_exit);
+module_platform_driver(venc_driver);
 
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("VPBE VENC Driver");
diff --git a/drivers/media/video/davinci/vpfe_capture.c b/drivers/media/video/davinci/vpfe_capture.c
index 5b38fc93ff28..20cf271a774b 100644
--- a/drivers/media/video/davinci/vpfe_capture.c
+++ b/drivers/media/video/davinci/vpfe_capture.c
@@ -2076,20 +2076,4 @@ static struct platform_driver vpfe_driver = {
         .remove = __devexit_p(vpfe_remove),
 };
 
-static __init int vpfe_init(void)
-{
-        printk(KERN_NOTICE "vpfe_init\n");
-        /* Register driver to the kernel */
-        return platform_driver_register(&vpfe_driver);
-}
-
-/*
- * vpfe_cleanup : This function un-registers device driver
- */
-static void vpfe_cleanup(void)
-{
-        platform_driver_unregister(&vpfe_driver);
-}
-
-module_init(vpfe_init);
-module_exit(vpfe_cleanup);
+module_platform_driver(vpfe_driver);