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kernel: disable software protection bits for macronix flash chips at init

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Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 47626
This commit is contained in:
Felix Fietkau 2015-11-24 19:09:56 +00:00
parent a4e234d278
commit c3fc2a7a35
2 changed files with 28 additions and 0 deletions
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14
target/linux/generic/patches-4.1/465-m25p80-mx-disable-software-protection.patch Normal file
View File

@ -0,0 +1,14 @@
Disable software protection bits for Macronix flashes.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -1200,6 +1200,7 @@ 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 ||
JEDEC_MFR(info) == SNOR_MFR_WINBOND) {
write_enable(nor);

14
target/linux/generic/patches-4.3/465-m25p80-mx-disable-software-protection.patch Normal file
View File

@ -0,0 +1,14 @@
Disable software protection bits for Macronix flashes.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -1200,6 +1200,7 @@ 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 ||
JEDEC_MFR(info) == SNOR_MFR_WINBOND) {
write_enable(nor);