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

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Message-Id: <1542200118-3024-1-git-send-email-liu.xiang6@zte.com.cn>
Date:   Wed, 14 Nov 2018 20:55:18 +0800
From:   Liu Xiang <liu.xiang6@....com.cn>
To:     linux-mtd@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org, boris.brezillon@...tlin.com,
        marek.vasut@...il.com, dwmw2@...radead.org,
        computersforpeace@...il.com, richard@....at, liuxiang_1999@....com,
        Liu Xiang <liu.xiang6@....com.cn>
Subject: [PATCH] mtd: spi-nor: Add 4B_OPCODES flag to is25lp256

The is25lp256 supports 4-byte opcodes and quad output.

Suggested-by: Boris Brezillon <boris.brezillon@...tlin.com>
Signed-off-by: Liu Xiang <liu.xiang6@....com.cn>
---
 drivers/mtd/spi-nor/spi-nor.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index 3e54e31..3eba13a 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -1357,7 +1357,7 @@ static int spi_nor_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)
 	{ "is25lp128",  INFO(0x9d6018, 0, 64 * 1024, 256,
 			SECT_4K | SPI_NOR_DUAL_READ) },
 	{ "is25lp256",  INFO(0x9d6019, 0, 64 * 1024, 512,
-			SECT_4K | SPI_NOR_DUAL_READ) },
+			SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
 	{ "is25wp032",  INFO(0x9d7016, 0, 64 * 1024,  64,
 			SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
 	{ "is25wp064",  INFO(0x9d7017, 0, 64 * 1024, 128,
-- 
1.9.1