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| author | Brian Norris <computersforpeace@gmail.com> | 2015-09-01 19:57:15 (GMT) |
|---|---|---|
| committer | Brian Norris <computersforpeace@gmail.com> | 2015-10-14 01:22:56 (GMT) |
| commit | c6fc2171b249e73745c497b578b417a2946f1b2f (patch) | |
| tree | ceddd33a18a09ba8228c769cf2ba297de6ebaf72 | |
| parent | 357ca38d47519c1b90eebfe58e188dd299ee2cef (diff) | |
| download | linux-c6fc2171b249e73745c497b578b417a2946f1b2f.tar.xz | |
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>
| -rw-r--r-- | drivers/mtd/spi-nor/spi-nor.c | 7 |
1 files changed, 4 insertions, 3 deletions
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 @@ 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); } |