openwrt/target/linux/generic/pending-4.9/461-mtd-cfi_cmdset_0002-add-buffer-write-cmd-timeout.patch
Koen Vandeputte d513f28351 kernel: bump 4.9 to 4.9.195
Refreshed all patches.

Altered patches:
- 403-mtd_fix_cfi_cmdset_0002_status_check.patch

Compile-tested on: ar71xx
Compile-tested on: ar71xx

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
2019-10-08 12:46:02 +02:00

18 lines
565 B
Diff

From: George Kashperko <george@znau.edu.ua>
Subject: 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
@@ -1835,6 +1835,7 @@ 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;