mtd: spi-nor: disable protection for Winbond flash at startup
In case the flash was locked at boot time.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index 5309920..533a0f7 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -1194,13 +1194,14 @@
mutex_init(&nor->lock);
/*
- * Atmel, SST and Intel/Numonyx serial nor tend to power
- * up with the software protection bits set
+ * Atmel, SST, Intel/Numonyx, and others serial NOR tend to power up
+ * with the software protection bits set
*/
if (JEDEC_MFR(info) == SNOR_MFR_ATMEL ||
JEDEC_MFR(info) == SNOR_MFR_INTEL ||
- JEDEC_MFR(info) == SNOR_MFR_SST) {
+ JEDEC_MFR(info) == SNOR_MFR_SST ||
+ JEDEC_MFR(info) == SNOR_MFR_WINBOND) {
write_enable(nor);
write_sr(nor, 0);
}