openwrt/target/linux/generic/patches-3.19/461-mtd-cfi_cmdset_0002-add-buffer-write-cmd-timeout.patch
Imre Kaloz d26694243a generic: add preliminary 3.19 support
Signed-off-by: Imre Kaloz <kaloz@openwrt.org>

SVN-Revision: 44126
2015-01-25 15:20:39 +00:00

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
@@ -1830,6 +1830,7 @@ 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;