m68k: amiga - Floppy platform device conversion

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

1 files changed, 21 insertions, 26 deletions

diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c
index 0182a22c423a..832798aa14f6 100644
--- a/drivers/block/amiflop.c
+++ b/drivers/block/amiflop.c
@@ -66,6 +66,7 @@
 #include <linux/blkdev.h>
 #include <linux/elevator.h>
 #include <linux/interrupt.h>
+#include <linux/platform_device.h>
 
 #include <asm/setup.h>
 #include <asm/uaccess.h>
@@ -1696,34 +1697,18 @@ static struct kobject *floppy_find(dev_t dev, int *part, void *data)
         return get_disk(unit[drive].gendisk);
 }
 
-static int __init amiga_floppy_init(void)
+static int __init amiga_floppy_probe(struct platform_device *pdev)
 {
         int i, ret;
 
-        if (!MACH_IS_AMIGA)
-                return -ENODEV;
-
-        if (!AMIGAHW_PRESENT(AMI_FLOPPY))
-                return -ENODEV;
-
         if (register_blkdev(FLOPPY_MAJOR,"fd"))
                 return -EBUSY;
 
-        /*
-         *  We request DSKPTR, DSKLEN and DSKDATA only, because the other
-         *  floppy registers are too spreaded over the custom register space
-         */
-        ret = -EBUSY;
-        if (!request_mem_region(CUSTOM_PHYSADDR+0x20, 8, "amiflop [Paula]")) {
-                printk("fd: cannot get floppy registers\n");
-                goto out_blkdev;
-        }
-
         ret = -ENOMEM;
         if ((raw_buf = (char *)amiga_chip_alloc (RAW_BUF_SIZE, "Floppy")) ==
             NULL) {
                 printk("fd: cannot get chip mem buffer\n");
-                goto out_memregion;
+                goto out_blkdev;
         }
 
         ret = -EBUSY;
@@ -1792,18 +1777,13 @@ out_irq2:
         free_irq(IRQ_AMIGA_DSKBLK, NULL);
 out_irq:
         amiga_chip_free(raw_buf);
-out_memregion:
-        release_mem_region(CUSTOM_PHYSADDR+0x20, 8);
 out_blkdev:
         unregister_blkdev(FLOPPY_MAJOR,"fd");
         return ret;
 }
 
-module_init(amiga_floppy_init);
-#ifdef MODULE
-
 #if 0 /* not safe to unload */
-void cleanup_module(void)
+static int __exit amiga_floppy_remove(struct platform_device *pdev)
 {
         int i;
 
@@ -1820,12 +1800,25 @@ void cleanup_module(void)
         custom.dmacon = DMAF_DISK; /* disable DMA */
         amiga_chip_free(raw_buf);
         blk_cleanup_queue(floppy_queue);
-        release_mem_region(CUSTOM_PHYSADDR+0x20, 8);
         unregister_blkdev(FLOPPY_MAJOR, "fd");
 }
 #endif
 
-#else
+static struct platform_driver amiga_floppy_driver = {
+        .driver   = {
+                .name   = "amiga-floppy",
+                .owner  = THIS_MODULE,
+        },
+};
+
+static int __init amiga_floppy_init(void)
+{
+        return platform_driver_probe(&amiga_floppy_driver, amiga_floppy_probe);
+}
+
+module_init(amiga_floppy_init);
+
+#ifndef MODULE
 static int __init amiga_floppy_setup (char *str)
 {
         int n;
@@ -1840,3 +1833,5 @@ static int __init amiga_floppy_setup (char *str)
 
 __setup("floppy=", amiga_floppy_setup);
 #endif
+
+MODULE_ALIAS("platform:amiga-floppy");