From e2f866d63ac75b00dc90ec1925138c5d655ed3aa Mon Sep 17 00:00:00 2001 From: Victor Shyba Date: Tue, 20 Dec 2016 20:35:32 -0300 Subject: [PATCH] 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 --- ...479-enable_mtd_has_lock_for_f25l32pa.patch | 24 +++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 target/linux/generic/patches-4.4/479-enable_mtd_has_lock_for_f25l32pa.patch 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 0000000000..2e3d3d1db2 --- /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 +Acked-by: Marek Vasut +--- + 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) }, +