immortalwrt/target/linux/generic/pending-5.10/461-mtd-cfi_cmdset_0002-add-buffer-write-cmd-timeout.patch
Felix Fietkau e00ab26ec5
kernel: add linux 5.10 support
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: CN_SZTL <cnsztl@project-openwrt.eu.org>
2021-02-18 00:36:38 +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
@@ -2053,6 +2053,7 @@ 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;