diff options
Diffstat (limited to 'target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c')
-rw-r--r-- | target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c b/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c index 808904a561..98359eb9fa 100644 --- a/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c +++ b/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c @@ -31,7 +31,6 @@ #include <linux/magic.h> #include <linux/platform_device.h> - static struct map_info ifxmips_map = { .name = "ifxmips_mtd", @@ -46,7 +45,7 @@ ifxmips_read16(struct map_info * map, unsigned long adr) map_word temp; spin_lock_irqsave(&ebu_lock, flags); adr ^= 2; - temp.x[0] = *((__u16 *) (map->virt + adr)); + temp.x[0] = *((__u16*)(map->virt + adr)); spin_unlock_irqrestore(&ebu_lock, flags); return temp; } @@ -57,7 +56,7 @@ ifxmips_write16(struct map_info *map, map_word d, unsigned long adr) unsigned long flags; spin_lock_irqsave(&ebu_lock, flags); adr ^= 2; - *((__u16 *) (map->virt + adr)) = d.x[0]; + *((__u16*)(map->virt + adr)) = d.x[0]; spin_unlock_irqrestore(&ebu_lock, flags); } @@ -73,7 +72,7 @@ ifxmips_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t le to_8 = (unsigned char*) to; while(len--) *to_8++ = *p++; - spin_unlock_irqrestore(&ebu_lock, flags); + spin_unlock_irqrestore(&ebu_lock, flags); } void @@ -85,9 +84,8 @@ ifxmips_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_ spin_lock_irqsave(&ebu_lock, flags); to += (unsigned long) map->virt; to_8 = (unsigned char*)to; - while(len--){ + while(len--) *p++ = *to_8++; - } spin_unlock_irqrestore(&ebu_lock, flags); } @@ -118,7 +116,6 @@ ifxmips_partitions[4] = { int find_uImage_size(unsigned long start_offset){ unsigned long temp; - ifxmips_copy_from(&ifxmips_map, &temp, start_offset + 12, 4); printk(KERN_INFO "ifxmips_mtd: kernel size is %ld \n", temp + 0x40); return temp + 0x40; @@ -127,9 +124,7 @@ find_uImage_size(unsigned long start_offset){ int detect_squashfs_partition(unsigned long start_offset){ unsigned long temp; - ifxmips_copy_from(&ifxmips_map, &temp, start_offset, 4); - return (temp == SQUASHFS_MAGIC); } @@ -146,10 +141,10 @@ ifxmips_mtd_probe(struct platform_device *dev) ifxmips_map.write = ifxmips_write16; ifxmips_map.copy_from = ifxmips_copy_from; ifxmips_map.copy_to = ifxmips_copy_to; + ifxmips_map.phys = dev->resource->start; + ifxmips_map.size = dev->resource->end - ifxmips_map.phys + 1; + ifxmips_map.virt = ioremap_nocache(ifxmips_map.phys, ifxmips_map.size); - ifxmips_map.phys = IFXMIPS_FLASH_START; - ifxmips_map.virt = ioremap_nocache(IFXMIPS_FLASH_START, IFXMIPS_FLASH_MAX); - ifxmips_map.size = IFXMIPS_FLASH_MAX; if(!ifxmips_map.virt) { printk(KERN_WARNING "ifxmips_mtd: failed to ioremap!\n"); @@ -165,7 +160,6 @@ ifxmips_mtd_probe(struct platform_device *dev) } ifxmips_mtd->owner = THIS_MODULE; - uimage_size = find_uImage_size(ifxmips_partitions[2].offset); if(detect_squashfs_partition(ifxmips_partitions[2].offset + uimage_size)) @@ -205,8 +199,7 @@ init_ifxmips_mtd(void) return ret; } -static void -__exit +static void __exit cleanup_ifxmips_mtd(void) { platform_driver_unregister(&ifxmips_mtd_driver); |