Openwrt/target/linux/generic/pending-5.10/461-mtd-cfi_cmdset_0002-add-buffer-write-cmd-timeout.patch
Mauri Sandberg 4b14b42abf kernel: Move an upstreamed patch under backports
This CFI patch was accepted upstream for 5.13. Move it away from under
ath79 and place under backports to be removed in due time.

Signed-off-by: Mauri Sandberg <sandberg@mailfence.com>
2021-04-30 23:48:37 +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
@@ -2057,6 +2057,7 @@ 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;