m68k: amiga - Floppy platform device conversion
Geert Uytterhoeven [Sun, 5 Apr 2009 11:02:13 +0000 (13:02 +0200)]
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>

arch/m68k/amiga/platform.c
drivers/block/amiflop.c

index 2e308e7..38f18bf 100644 (file)
@@ -72,6 +72,11 @@ static int __init amiga_init_devices(void)
        if (AMIGAHW_PRESENT(AMI_AUDIO))
                platform_device_register_simple("amiga-audio", -1, NULL, 0);
 
+
+       /* storage interfaces */
+       if (AMIGAHW_PRESENT(AMI_FLOPPY))
+               platform_device_register_simple("amiga-floppy", -1, NULL, 0);
+
        return 0;
 }
 
index 0182a22..832798a 100644 (file)
@@ -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");