openwrtv3/target/linux/generic/patches-3.9/475-mtd_cfi_cmdset_0002-add-buffer-write-cmd-timeout.patch
Florian Fainelli b2e63b8ea8 kernel: add support for 3.9-rc2
Signed-off-by: Florian Fainelli <florian@openwrt.org>

SVN-Revision: 36008
2013-03-14 14:45:56 +00:00

18 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
@@ -1498,6 +1498,7 @@ 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;