23 lines
938 B
Diff
23 lines
938 B
Diff
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From: Matthias Schiffer <mschiffer@universe-factory.net>
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Date: Fri, 26 Feb 2016 04:24:06 +0100
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Subject: kernel: disable software protection bits for macronix flash chips at init
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Backport of r47626
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diff --git a/target/linux/generic/patches-3.18/465-m25p80-mx-disable-software-protection.patch b/target/linux/generic/patches-3.18/465-m25p80-mx-disable-software-protection.patch
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new file mode 100644
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index 0000000..d7d7eec
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--- /dev/null
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+++ b/target/linux/generic/patches-3.18/465-m25p80-mx-disable-software-protection.patch
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@@ -0,0 +1,10 @@
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+--- a/drivers/mtd/spi-nor/spi-nor.c
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++++ b/drivers/mtd/spi-nor/spi-nor.c
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+@@ -962,6 +962,7 @@ int spi_nor_scan(struct spi_nor *nor, co
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+
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+ if (JEDEC_MFR(info->jedec_id) == CFI_MFR_ATMEL ||
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+ JEDEC_MFR(info->jedec_id) == CFI_MFR_INTEL ||
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++ JEDEC_MFR(info->jedec_id) == CFI_MFR_MACRONIX ||
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+ JEDEC_MFR(info->jedec_id) == CFI_MFR_SST) {
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+ write_enable(nor);
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+ write_sr(nor, 0);
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