diff options
Diffstat (limited to 'target/linux/ifxmips/files/drivers')
| -rw-r--r-- | target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c b/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c index b38c6269bd..808904a561 100644 --- a/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c +++ b/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c @@ -27,6 +27,7 @@ #include <linux/mtd/partitions.h> #include <linux/mtd/cfi.h> #include <asm/ifxmips/ifxmips.h> +#include <asm/ifxmips/ifxmips_ebu.h> #include <linux/magic.h> #include <linux/platform_device.h> @@ -41,19 +42,23 @@ ifxmips_map = { static map_word ifxmips_read16(struct map_info * map, unsigned long adr) { + unsigned long flags; map_word temp; - + spin_lock_irqsave(&ebu_lock, flags); adr ^= 2; temp.x[0] = *((__u16 *) (map->virt + adr)); - + spin_unlock_irqrestore(&ebu_lock, flags); return temp; } static void 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]; + spin_unlock_irqrestore(&ebu_lock, flags); } void @@ -61,12 +66,14 @@ ifxmips_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t le { unsigned char *p; unsigned char *to_8; - + unsigned long flags; + spin_lock_irqsave(&ebu_lock, flags); from = (unsigned long)(from + map->virt); p = (unsigned char*) from; to_8 = (unsigned char*) to; while(len--) *to_8++ = *p++; + spin_unlock_irqrestore(&ebu_lock, flags); } void @@ -74,12 +81,14 @@ ifxmips_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_ { unsigned char *p = (unsigned char*)from; unsigned char *to_8; - + unsigned long flags; + spin_lock_irqsave(&ebu_lock, flags); to += (unsigned long) map->virt; to_8 = (unsigned char*)to; while(len--){ *p++ = *to_8++; } + spin_unlock_irqrestore(&ebu_lock, flags); } static struct mtd_partition |