openwrt/target/linux/generic/backport-4.19/464-v5.6-mtd-spi-nor-Add-4B_OPCODES-flag-to-w25q256.patch
Robert Marko 3ef988caf3 generic: 4.19: Add 4B_OPCODES flag to w25q256
This patch backports the upstream patch that adds the 4B_OPCODES flag to w25q256 under 4.19 kernel.
This is needed for ipq40xx and ramips.

Signed-off-by: Robert Marko <robimarko@gmail.com>
2020-03-12 12:59:44 +01:00

28 lines
1.2 KiB
Diff

From 10050a02f7d508fa88f70fcfceefbacd13488ca7 Mon Sep 17 00:00:00 2001
From: Robert Marko <robimarko@gmail.com>
Date: Mon, 23 Dec 2019 17:05:49 +0200
Subject: [PATCH] mtd: spi-nor: Add 4B_OPCODES flag to w25q256
The w25q256 supports 4-byte opcodes so lets add the flag.
Tested on OpenWrt under 4.19.82 kernel on 8devices Habanero.
Signed-off-by: Robert Marko <robimarko@gmail.com>
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
---
drivers/mtd/spi-nor/spi-nor.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -1244,7 +1244,9 @@ static const struct flash_info spi_nor_i
{ "w25q80", INFO(0xef5014, 0, 64 * 1024, 16, SECT_4K) },
{ "w25q80bl", INFO(0xef4014, 0, 64 * 1024, 16, SECT_4K) },
{ "w25q128", INFO(0xef4018, 0, 64 * 1024, 256, SECT_4K) },
- { "w25q256", INFO(0xef4019, 0, 64 * 1024, 512, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
+ { "w25q256", INFO(0xef4019, 0, 64 * 1024, 512,
+ SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
+ SPI_NOR_4B_OPCODES) },
{ "w25m512jv", INFO(0xef7119, 0, 64 * 1024, 1024,
SECT_4K | SPI_NOR_QUAD_READ | SPI_NOR_DUAL_READ) },