immortalwrt/target/linux/generic/pending-4.19/461-mtd-cfi_cmdset_0002-add-buffer-write-cmd-timeout.patch
CN_SZTL 21e29cc2df
kernel: bump 4.19 to 4.19.149
Refreshed all patches.

Signed-off-by: CN_SZTL <cnsztl@project-openwrt.eu.org>
2020-10-01 21:53:50 +08:00

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
@@ -1837,6 +1837,7 @@ 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;