m68k: amiga - Frame buffer platform device conversion

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>

2 files changed, 46 insertions, 18 deletions

diff --git a/arch/m68k/amiga/platform.c b/arch/m68k/amiga/platform.c
index 33a7669b4415..7fa929cf9a3a 100644
--- a/arch/m68k/amiga/platform.c
+++ b/arch/m68k/amiga/platform.c
@@ -56,3 +56,18 @@ static int __init amiga_init_bus(void)
 subsys_initcall(amiga_init_bus);
 
 #endif /* CONFIG_ZORRO */
+
+
+static int __init amiga_init_devices(void)
+{
+        if (!MACH_IS_AMIGA)
+                return -ENODEV;
+
+        /* video hardware */
+        if (AMIGAHW_PRESENT(AMI_VIDEO))
+                platform_device_register_simple("amiga-video", -1, NULL, 0);
+
+        return 0;
+}
+
+device_initcall(amiga_init_devices);
diff --git a/drivers/video/amifb.c b/drivers/video/amifb.c
index dca48df98444..e5d6b56d4447 100644
--- a/drivers/video/amifb.c
+++ b/drivers/video/amifb.c
@@ -50,8 +50,9 @@
 #include <linux/fb.h>
 #include <linux/init.h>
 #include <linux/ioport.h>
-
+#include <linux/platform_device.h>
 #include <linux/uaccess.h>
+
 #include <asm/system.h>
 #include <asm/irq.h>
 #include <asm/amigahw.h>
@@ -1135,7 +1136,7 @@ static int amifb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg
          * Interface to the low level console driver
          */
 
-static void amifb_deinit(void);
+static void amifb_deinit(struct platform_device *pdev);
 
         /*
          * Internal routines
@@ -2246,7 +2247,7 @@ static inline void chipfree(void)
          * Initialisation
          */
 
-static int __init amifb_init(void)
+static int __init amifb_probe(struct platform_device *pdev)
 {
         int tag, i, err = 0;
         u_long chipptr;
@@ -2261,16 +2262,6 @@ static int __init amifb_init(void)
         }
         amifb_setup(option);
 #endif
-        if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(AMI_VIDEO))
-                return -ENODEV;
-
-        /*
-         * We request all registers starting from bplpt[0]
-         */
-        if (!request_mem_region(CUSTOM_PHYSADDR+0xe0, 0x120,
-                                "amifb [Denise/Lisa]"))
-                return -EBUSY;
-
         custom.dmacon = DMAF_ALL | DMAF_MASTER;
 
         switch (amiga_chipset) {
@@ -2377,6 +2368,7 @@ default_chipset:
         fb_info.fbops = &amifb_ops;
         fb_info.par = &currentpar;
         fb_info.flags = FBINFO_DEFAULT;
+        fb_info.device = &pdev->dev;
 
         if (!fb_find_mode(&fb_info.var, &fb_info, mode_option, ami_modedb,
                           NUM_TOTAL_MODES, &ami_modedb[defmode], 4)) {
@@ -2451,18 +2443,18 @@ default_chipset:
         return 0;
 
 amifb_error:
-        amifb_deinit();
+        amifb_deinit(pdev);
         return err;
 }
 
-static void amifb_deinit(void)
+static void amifb_deinit(struct platform_device *pdev)
 {
         if (fb_info.cmap.len)
                 fb_dealloc_cmap(&fb_info.cmap);
+        fb_dealloc_cmap(&fb_info.cmap);
         chipfree();
         if (videomemory)
                 iounmap((void*)videomemory);
-        release_mem_region(CUSTOM_PHYSADDR+0xe0, 0x120);
         custom.dmacon = DMAF_ALL | DMAF_MASTER;
 }
 
@@ -3794,14 +3786,35 @@ static void ami_rebuild_copper(void)
         }
 }
 
-static void __exit amifb_exit(void)
+static int __exit amifb_remove(struct platform_device *pdev)
 {
         unregister_framebuffer(&fb_info);
-        amifb_deinit();
+        amifb_deinit(pdev);
         amifb_video_off();
+        return 0;
+}
+
+static struct platform_driver amifb_driver = {
+        .remove = __exit_p(amifb_remove),
+        .driver   = {
+                .name   = "amiga-video",
+                .owner  = THIS_MODULE,
+        },
+};
+
+static int __init amifb_init(void)
+{
+        return platform_driver_probe(&amifb_driver, amifb_probe);
 }
 
 module_init(amifb_init);
+
+static void __exit amifb_exit(void)
+{
+        platform_driver_unregister(&amifb_driver);
+}
+
 module_exit(amifb_exit);
 
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:amiga-video");