openwrtv3/target/linux/generic/patches-4.4/465-m25p80-mx-disable-software-protection.patch
Felix Fietkau b8a129638e kernel: add back the macronix software protection disable patch
It was accidentally left out when 4.4 support was added

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2016-05-18 15:22:26 +02:00

14 lines
457 B
Diff

Disable software protection bits for Macronix flashes.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -1156,6 +1156,7 @@ int spi_nor_scan(struct spi_nor *nor, co
if (JEDEC_MFR(info) == SNOR_MFR_ATMEL ||
JEDEC_MFR(info) == SNOR_MFR_INTEL ||
+ JEDEC_MFR(info) == SNOR_MFR_MACRONIX ||
JEDEC_MFR(info) == SNOR_MFR_SST) {
write_enable(nor);
write_sr(nor, 0);