1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/mtd/chips/cfi_probe.c b/drivers/mtd/chips/cfi_probe.c
index f651b6ef1c5d..a4463a91ce31 100644
--- a/drivers/mtd/chips/cfi_probe.c
+++ b/drivers/mtd/chips/cfi_probe.c
@@ -39,7 +39,7 @@ struct mtd_info *cfi_probe(struct map_info *map);
 #define xip_allowed(base, map) \
 do { \
         (void) map_read(map, base); \
-        asm volatile (".rep 8; nop; .endr"); \
+        xip_iprefetch(); \
         local_irq_enable(); \
 } while (0)
 
@@ -232,6 +232,11 @@ static int __xipram cfi_chip_setup(struct map_info *map,
         cfi->mfr = cfi_read_query16(map, base);
         cfi->id = cfi_read_query16(map, base + ofs_factor);
 
+        /* Get AMD/Spansion extended JEDEC ID */
+        if (cfi->mfr == CFI_MFR_AMD && (cfi->id & 0xff) == 0x7e)
+                cfi->id = cfi_read_query(map, base + 0xe * ofs_factor) << 8 |
+                          cfi_read_query(map, base + 0xf * ofs_factor);
+
         /* Put it back into Read Mode */
         cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
         /* ... even if it's an Intel chip */