[PATCH 10/10] mtd: spi-nor: disable protection for Winbond flash at startup
Brian Norris
computersforpeace at gmail.com
Tue Sep 1 12:57:15 PDT 2015
In case the flash was locked at boot time.
Signed-off-by: Brian Norris <computersforpeace at gmail.com>
---
drivers/mtd/spi-nor/spi-nor.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index 6999ef34b597..d69a6c7f11a1 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -1159,13 +1159,14 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode)
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);
}
--
2.5.0.457.gab17608
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