linux-kernel - [PATCH] mtd: spi-nor: Add 4B

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Date:   Fri, 17 Apr 2020 10:46:19 -0700
From:   Daniel Walker <danielwa@...co.com>
To:     Tudor Ambarus <tudor.ambarus@...rochip.com>
Cc:     xe-linux-external@...co.com,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] mtd: spi-nor: Add 4B_OPCODES flag to n25q256a

The n25q256a supports 4-byte opcodes so lets add the flag.
Tested on Cisco IoT platform hardware using Marvell A7040 SoC.

This patch was base on one from Guo Yi <yi.guo@...ium.com>.

Cc: xe-linux-external@...co.com
Signed-off-by: Daniel Walker <danielwa@...co.com>
---
 drivers/mtd/spi-nor/micron-st.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/spi-nor/micron-st.c b/drivers/mtd/spi-nor/micron-st.c
index 6c034b9718e2..471fe2bc2ba4 100644
--- a/drivers/mtd/spi-nor/micron-st.c
+++ b/drivers/mtd/spi-nor/micron-st.c
@@ -37,7 +37,7 @@ static const struct flash_info st_parts[] = {
 			       SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
 	{ "n25q256a",    INFO(0x20ba19, 0, 64 * 1024,  512, SECT_4K |
 			      USE_FSR | SPI_NOR_DUAL_READ |
-			      SPI_NOR_QUAD_READ) },
+			      SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
 	{ "mt25qu256a",  INFO6(0x20bb19, 0x104400, 64 * 1024,  512,
 			       SECT_4K | USE_FSR | SPI_NOR_DUAL_READ |
 			       SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
-- 
2.17.1