[source] generic: mtd: add lock/unlock support for f25l32pa

[LEDE Commits]

mkresin pushed a commit to source.git, branch master:
https://git.lede-project.org/e2f866d63ac75b00dc90ec1925138c5d655ed3aa

commit e2f866d63ac75b00dc90ec1925138c5d655ed3aa
Author: Victor Shyba <victor1984 at riseup.net>
AuthorDate: Tue Dec 20 20:35:32 2016 -0300

    generic: mtd: add lock/unlock support for f25l32pa
    
    This chip has write protection enabled on power-up, so this flag is
    necessary to support write operations.
    
    Signed-off-by: Victor Shyba <victor1984 at riseup.net>
---
 .../479-enable_mtd_has_lock_for_f25l32pa.patch     | 24 ++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/target/linux/generic/patches-4.4/479-enable_mtd_has_lock_for_f25l32pa.patch b/target/linux/generic/patches-4.4/479-enable_mtd_has_lock_for_f25l32pa.patch
new file mode 100644
index 0000000..2e3d3d1
--- /dev/null
+++ b/target/linux/generic/patches-4.4/479-enable_mtd_has_lock_for_f25l32pa.patch
@@ -0,0 +1,24 @@
+mtd: spi-nor: Add lock/unlock support for f25l32pa
+
+This chip has write protection enabled on power-up,
+so this flag is necessary to support write operations.
+
+Signed-off-by: Victor Shyba <victor1984 at riseup.net>
+Acked-by: Marek Vasut <marek.vasut at gmail.com>
+---
+ drivers/mtd/spi-nor/spi-nor.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
+index da7cd69..f325925 100644
+--- a/drivers/mtd/spi-nor/spi-nor.c
++++ b/drivers/mtd/spi-nor/spi-nor.c
+@@ -689,7 +689,7 @@ static const struct flash_info spi_nor_i
+ 	{ "en25s64",	INFO(0x1c3817, 0, 64 * 1024,  128, SECT_4K) },
+ 
+ 	/* ESMT */
+-	{ "f25l32pa", INFO(0x8c2016, 0, 64 * 1024, 64, SECT_4K) },
++	{ "f25l32pa", INFO(0x8c2016, 0, 64 * 1024, 64, SECT_4K | SPI_NOR_HAS_LOCK) },
+ 	{ "f25l32qa", INFO(0x8c4116, 0, 64 * 1024, 64, SECT_4K) },
+ 	{ "f25l64qa", INFO(0x8c4117, 0, 64 * 1024, 128, SECT_4K) },
+