openwrt/target/linux/generic/patches-4.9/465-m25p80-mx-disable-software-protection.patch
Rafał Miłecki 174ce4c56d kernel: update spi-nor in 4.9 to spi-nor tree version (next branch)
These are patches queued for 4.11. It adds support for even more hw and
removes some annoying WARN_ONCE.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
2017-02-07 15:35:39 +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
@@ -1588,6 +1588,7 @@ 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);