openwrt/target/linux/generic/pending-6.6/499-mtd-spi-nor-disable-16-bit-sr-for-macronix.patch
Weijie Gao 293caa16a0 generic: 6.6: refresh pending patches
Refresh pending patches with make target/linux/refresh.

Signed-off-by: Weijie Gao <hackpascal@gmail.com>
2024-03-11 20:17:26 +01:00

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1.0 KiB
Diff

From 245224608b5368c10407da07557e546743d3c489 Mon Sep 17 00:00:00 2001
From: Nick Hainke <vincent@systemli.org>
Date: Mon, 27 Dec 2021 09:33:13 +0100
Subject: [PATCH 2/2] mtd: spi-nor: disable 16-bit-sr for macronix
Macronix flash chips seem to consist of only one status register.
These chips will not work with the "16-bit Write Status (01h) Command".
Disable SNOR_F_HAS_16BIT_SR for all Macronix chips.
Tested with MX25L6405D.
Fixes: 39d1e3340c73 ("mtd: spi-nor: Fix clearing of QE bit on
lock()/unlock()")
Signed-off-by: David Bauer <mail@david-bauer.net>
Signed-off-by: Nick Hainke <vincent@systemli.org>
---
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
@@ -115,6 +115,7 @@ static int macronix_nor_late_init(struct
{
if (!nor->params->set_4byte_addr_mode)
nor->params->set_4byte_addr_mode = spi_nor_set_4byte_addr_mode_en4b_ex4b;
+ nor->flags &= ~SNOR_F_HAS_16BIT_SR;
nor->flags |= SNOR_F_HAS_LOCK;
return 0;