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authorFelix Fietkau <nbd@openwrt.org>2015-11-24 19:09:56 +0000
committerFelix Fietkau <nbd@openwrt.org>2015-11-24 19:09:56 +0000
commitc3fc2a7a35c9270028839532a4d0b4f4dcd57e12 (patch)
tree7790c3d7970a5e312c9ecc4bc72b3e07fab12001 /target/linux/generic/patches-4.3/465-m25p80-mx-disable-software-protection.patch
parenta4e234d278203e276ceb48dd4872aaa66bf777c9 (diff)
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kernel: disable software protection bits for macronix flash chips at init
Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 47626
Diffstat (limited to 'target/linux/generic/patches-4.3/465-m25p80-mx-disable-software-protection.patch')
-rw-r--r--target/linux/generic/patches-4.3/465-m25p80-mx-disable-software-protection.patch14
1 files changed, 14 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.3/465-m25p80-mx-disable-software-protection.patch b/target/linux/generic/patches-4.3/465-m25p80-mx-disable-software-protection.patch
new file mode 100644
index 0000000000..dcf594bad1
--- /dev/null
+++ b/target/linux/generic/patches-4.3/465-m25p80-mx-disable-software-protection.patch
@@ -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);