mtd: cfi_probe: make the addresses used to enter Auto Select Mode variable

Make the addresses used to enter Auto Select Mode variable to leave place
for handling chips using non-standard addresses.

Signed-off-by: Guillaume LECERF <glecerf@gmail.com>
Reviewed-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/mtd/chips/cfi_probe.c b/drivers/mtd/chips/cfi_probe.c
index f657d16cb98c..045dc100496c 100644
--- a/drivers/mtd/chips/cfi_probe.c
+++ b/drivers/mtd/chips/cfi_probe.c
@@ -158,6 +158,7 @@ static int __xipram cfi_chip_setup(struct map_info *map,
         __u32 base = 0;
         int num_erase_regions = cfi_read_query(map, base + (0x10 + 28)*ofs_factor);
         int i;
+        int addr_unlock1 = 0x555, addr_unlock2 = 0x2AA;
 
         xip_enable(base, map, cfi);
 #ifdef DEBUG_CFI
@@ -214,9 +215,9 @@ static int __xipram cfi_chip_setup(struct map_info *map,
          * back into Read Mode, which is a nop in this case).
          */
         cfi_send_gen_cmd(0xf0,     0, base, map, cfi, cfi->device_type, NULL);
-        cfi_send_gen_cmd(0xaa, 0x555, base, map, cfi, cfi->device_type, NULL);
-        cfi_send_gen_cmd(0x55, 0x2aa, base, map, cfi, cfi->device_type, NULL);
-        cfi_send_gen_cmd(0x90, 0x555, base, map, cfi, cfi->device_type, NULL);
+        cfi_send_gen_cmd(0xaa, addr_unlock1, base, map, cfi, cfi->device_type, NULL);
+        cfi_send_gen_cmd(0x55, addr_unlock2, base, map, cfi, cfi->device_type, NULL);
+        cfi_send_gen_cmd(0x90, addr_unlock1, base, map, cfi, cfi->device_type, NULL);
         cfi->mfr = cfi_read_query16(map, base);
         cfi->id = cfi_read_query16(map, base + ofs_factor);