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| author | David Bauer <mail@david-bauer.net> | 2021-04-06 22:50:51 +0200 |
|---|---|---|
| committer | David Bauer <mail@david-bauer.net> | 2021-04-16 20:24:28 +0200 |
| commit | 28623cab32c0ca4e709375f80288471d5ca06ee0 (patch) | |
| tree | 1573b33efbaad658c5bd85722d7a2fb85537a37f /target/linux/ath79/patches-5.10/0052-mtd-spi-nor-use-4-bit-locking-for-MX25L12805D.patch | |
| parent | 2683eeb627aabc7c01fb46fc5e825ece626aeaa5 (diff) | |
| download | upstream-28623cab32c0ca4e709375f80288471d5ca06ee0.tar.gz upstream-28623cab32c0ca4e709375f80288471d5ca06ee0.tar.bz2 upstream-28623cab32c0ca4e709375f80288471d5ca06ee0.zip | |
ath79: update spi-nor patches
Update the 4 bit BP patches for Ubiquiti boards with the second
iteration sent upstream.
Signed-off-by: David Bauer <mail@david-bauer.net>
Diffstat (limited to 'target/linux/ath79/patches-5.10/0052-mtd-spi-nor-use-4-bit-locking-for-MX25L12805D.patch')
| -rw-r--r-- | target/linux/ath79/patches-5.10/0052-mtd-spi-nor-use-4-bit-locking-for-MX25L12805D.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/target/linux/ath79/patches-5.10/0052-mtd-spi-nor-use-4-bit-locking-for-MX25L12805D.patch b/target/linux/ath79/patches-5.10/0052-mtd-spi-nor-use-4-bit-locking-for-MX25L12805D.patch new file mode 100644 index 0000000000..e27a95d9e9 --- /dev/null +++ b/target/linux/ath79/patches-5.10/0052-mtd-spi-nor-use-4-bit-locking-for-MX25L12805D.patch @@ -0,0 +1,38 @@ +From a449cd03db4d0e1d292b3734f7676634cfd94f53 Mon Sep 17 00:00:00 2001 +From: David Bauer <mail@david-bauer.net> +Date: Sun, 25 Oct 2020 01:14:22 +0200 +Subject: [PATCH] mtd: spi-nor: use 4 bit locking for MX25L12805D + +Macronix MX25L12805D supports locking with 4 block +protection bits in its status register. Add the corresponding +flag in order to clear these bits when unloking the flash. + +Otherwise, the flash might not be writable depending on the state +left by the bootloader. + +Tested-on: Ubiquiti UniFi AC Lite (ath79) + +Fixes commit 62593cf40b23 ("mtd: spi-nor: refactor block protection functions") + +Signed-off-by: David Bauer <mail@david-bauer.net> +--- + drivers/mtd/spi-nor/macronix.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/drivers/mtd/spi-nor/macronix.c b/drivers/mtd/spi-nor/macronix.c +index 2d39dd32a64e..ed8b56a0102f 100644 +--- a/drivers/mtd/spi-nor/macronix.c ++++ b/drivers/mtd/spi-nor/macronix.c +@@ -50,7 +50,8 @@ static const struct flash_info macronix_parts[] = { + { "mx25u4035", INFO(0xc22533, 0, 64 * 1024, 8, SECT_4K) }, + { "mx25u8035", INFO(0xc22534, 0, 64 * 1024, 16, SECT_4K) }, + { "mx25u6435f", INFO(0xc22537, 0, 64 * 1024, 128, SECT_4K) }, +- { "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256, SECT_4K) }, ++ { "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256, SECT_4K | ++ SPI_NOR_HAS_LOCK | SPI_NOR_4BIT_BP) }, + { "mx25l12855e", INFO(0xc22618, 0, 64 * 1024, 256, 0) }, + { "mx25r1635f", INFO(0xc22815, 0, 64 * 1024, 32, + SECT_4K | SPI_NOR_DUAL_READ | +-- +2.31.1 + |