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@@ -0,0 +1,94 @@
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+From: Matthias Schiffer <mschiffer@universe-factory.net>
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+Date: Tue, 29 Mar 2016 21:58:53 +0200
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+Subject: generic: mtd: spi-nor: disable protection for Winbond flash at startup
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+
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+diff --git a/target/linux/generic/patches-3.18/463-mtd-spi-nor-wait-until-lock-unlock-operations-are-re.patch b/target/linux/generic/patches-3.18/463-mtd-spi-nor-wait-until-lock-unlock-operations-are-re.patch
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+new file mode 100644
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+index 0000000..c906425
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+--- /dev/null
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++++ b/target/linux/generic/patches-3.18/463-mtd-spi-nor-wait-until-lock-unlock-operations-are-re.patch
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+@@ -0,0 +1,47 @@
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++From 26e4790ddad59038ece16c8b89ad856bee946d75 Mon Sep 17 00:00:00 2001
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++Message-Id: <26e4790ddad59038ece16c8b89ad856bee946d75.1459281384.git.mschiffer@universe-factory.net>
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++From: Matthias Schiffer <mschiffer@universe-factory.net>
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++Date: Tue, 29 Mar 2016 21:51:10 +0200
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++Subject: [PATCH 1/2] mtd: spi-nor: wait until lock/unlock operations are ready
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++
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++Upstream commits:
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++
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++32321e950d8a237d7e8f3a9b76220007dfa87544
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++edf891ef9ab773363f8e58022a26d7d31604aed6
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++---
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++ drivers/mtd/spi-nor/spi-nor.c | 5 +++++
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++ 1 file changed, 5 insertions(+)
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++
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++diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
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++index ef783a4..1ab6e24 100644
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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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++@@ -370,6 +370,8 @@ static int spi_nor_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
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++ ret = write_sr(nor, status_new);
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++ if (ret)
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++ goto err;
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+++
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+++ ret = wait_till_ready(nor);
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++ }
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++
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++ err:
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++@@ -417,6 +419,8 @@ static int spi_nor_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
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++ ret = write_sr(nor, status_new);
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++ if (ret)
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++ goto err;
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+++
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+++ ret = wait_till_ready(nor);
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++ }
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++
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++ err:
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++@@ -966,6 +970,7 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode)
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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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+++ wait_till_ready(nor);
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++ }
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++
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++ if (!mtd->name)
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++--
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++2.7.4
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++
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+diff --git a/target/linux/generic/patches-3.18/464-mtd-spi-nor-disable-protection-for-Winbond-flash-at-.patch b/target/linux/generic/patches-3.18/464-mtd-spi-nor-disable-protection-for-Winbond-flash-at-.patch
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+new file mode 100644
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+index 0000000..7b45666
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+--- /dev/null
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++++ b/target/linux/generic/patches-3.18/464-mtd-spi-nor-disable-protection-for-Winbond-flash-at-.patch
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+@@ -0,0 +1,31 @@
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++From 03485b7e91a8f6e69e4945f937f266c59c1376d0 Mon Sep 17 00:00:00 2001
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++Message-Id: <03485b7e91a8f6e69e4945f937f266c59c1376d0.1459281384.git.mschiffer@universe-factory.net>
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++In-Reply-To: <26e4790ddad59038ece16c8b89ad856bee946d75.1459281384.git.mschiffer@universe-factory.net>
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++References: <26e4790ddad59038ece16c8b89ad856bee946d75.1459281384.git.mschiffer@universe-factory.net>
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++From: Matthias Schiffer <mschiffer@universe-factory.net>
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++Date: Tue, 29 Mar 2016 21:55:55 +0200
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++Subject: [PATCH 2/2] mtd: spi-nor: disable protection for Winbond flash at
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++ startup
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++
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++Upstream commit: c6fc2171b249e73745c497b578b417a2946f1b2f
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++---
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++ drivers/mtd/spi-nor/spi-nor.c | 3 ++-
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++ 1 file changed, 2 insertions(+), 1 deletion(-)
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++
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++diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
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++index 1ab6e24..ea7fa30 100644
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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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++@@ -967,7 +967,8 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode)
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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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+++ JEDEC_MFR(info->jedec_id) == CFI_MFR_SST ||
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+++ JEDEC_MFR(info->jedec_id) == CFI_MFR_WINBOND) {
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++ write_enable(nor);
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++ write_sr(nor, 0);
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++ wait_till_ready(nor);
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++--
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++2.7.4
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++
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Matthias Schiffer