openwrtv3/target/linux/generic/patches-3.1/475-mtd_cfi_cmdset_0002-add-buffer-write-cmd-timeout.patch
Jonas Gorski cf2070bd5b linux: generic: add support for 3.1-rc1
SVN-Revision: 27940
2011-08-09 12:19:43 +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
@@ -1412,6 +1412,7 @@ 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;