diff options
Diffstat (limited to 'target/linux/ath79/patches-5.10/0052-mtd-spi-nor-add-block-protection-flags-to-macronix.patch')
-rw-r--r-- | target/linux/ath79/patches-5.10/0052-mtd-spi-nor-add-block-protection-flags-to-macronix.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/target/linux/ath79/patches-5.10/0052-mtd-spi-nor-add-block-protection-flags-to-macronix.patch b/target/linux/ath79/patches-5.10/0052-mtd-spi-nor-add-block-protection-flags-to-macronix.patch new file mode 100644 index 0000000000..d416276f0d --- /dev/null +++ b/target/linux/ath79/patches-5.10/0052-mtd-spi-nor-add-block-protection-flags-to-macronix.patch @@ -0,0 +1,26 @@ +From 158f9796335b393980afb8e9796eb8d44106652a Mon Sep 17 00:00:00 2001 +From: David Bauer <mail@david-bauer.net> +Date: Mon, 26 Oct 2020 15:10:47 +0100 +Subject: [PATCH 1/2] mtd: spi-nor: add block protection flags to macronix + +Macronix flash chips support block protection by using BP bits in the +read status register. Add the corresponding flag to indicate block +protection support. + +Otherwise, locked blocks are not unlocked when requested. + +Signed-off-by: David Bauer <mail@david-bauer.net> +--- + drivers/mtd/spi-nor/macronix.c | 1 + + 1 file changed, 1 insertion(+) + +--- a/drivers/mtd/spi-nor/macronix.c ++++ b/drivers/mtd/spi-nor/macronix.c +@@ -94,6 +94,7 @@ static const struct flash_info macronix_ + + static void macronix_default_init(struct spi_nor *nor) + { ++ nor->flags |= SNOR_F_HAS_LOCK; + nor->params->quad_enable = spi_nor_sr1_bit6_quad_enable; + nor->params->set_4byte_addr_mode = spi_nor_set_4byte_addr_mode; + nor->flags |= SNOR_F_HAS_LOCK; |