openwrt/target/linux/generic/pending-3.18/461-mtd-cfi_cmdset_0002-add-buffer-write-cmd-timeout.patch
Koen Vandeputte 548182bc6d kernel: bump 3.18 to 3.18.119
Refreshed all patches.

Compile-tested on: adm5120, adm8668, au1000, mcs814x, ppc40x, ppc44x, xburst
Runtime-tested on: none

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
2018-08-20 13:03:23 +02:00

19 lines
556 B
Diff

From: George Kashperko <george@znau.edu.ua>
Issue map read after Write Buffer Load command to ensure chip is ready
to receive data.
Signed-off-by: George Kashperko <george@znau.edu.ua>
---
drivers/mtd/chips/cfi_cmdset_0002.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -1831,6 +1831,7 @@ static int __xipram do_write_buffer(stru
/* Write Buffer Load */
map_write(map, CMD(0x25), cmd_adr);
+ (void) map_read(map, cmd_adr);
chip->state = FL_WRITING_TO_BUFFER;