openwrt/target/linux/generic/patches-4.4/465-m25p80-mx-disable-software-protection.patch
Victor Shyba d6c831e0e5 generic: mtd: backport SPI_NOR_HAS_LOCK
This flag was added to 4.9 with upstream commit
76a4707de5e18dc32d9cb4e990686140c5664a15.

Signed-off-by: Victor Shyba <victor1984@riseup.net>
[refresh and adjust platform patches, fix commit message]
Signed-off-by: Mathias Kresin <dev@kresin.me>
2017-01-03 19:58:00 +01:00

15 lines
473 B
Diff

Disable software protection bits for Macronix flashes.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -1159,6 +1159,7 @@ 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 ||
info->flags & SPI_NOR_HAS_LOCK) {
write_enable(nor);