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Date:   Mon,  7 Dec 2020 10:46:12 +0800
From:   Sieng Piaw Liew <liew.s.piaw@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     liew.s.piaw@...il.com, Tudor Ambarus <tudor.ambarus@...rochip.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: macronix: enable 4-bit BP support for MX25L6405D

Enable 4-bit Block Protect support for MX256405D and its variants using
the same ID.

Tested on Innacom W3400V6 router with MX25L6406E chip.
https://github.com/openwrt/openwrt/pull/3501

Signed-off-by: Sieng Piaw Liew <liew.s.piaw@...il.com>
---
 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 9203abaac229..7aa8b1ee9daa 100644
--- a/drivers/mtd/spi-nor/macronix.c
+++ b/drivers/mtd/spi-nor/macronix.c
@@ -42,7 +42,8 @@ static const struct flash_info macronix_parts[] = {
 	{ "mx25l1606e",  INFO(0xc22015, 0, 64 * 1024,  32, SECT_4K) },
 	{ "mx25l3205d",  INFO(0xc22016, 0, 64 * 1024,  64, SECT_4K) },
 	{ "mx25l3255e",  INFO(0xc29e16, 0, 64 * 1024,  64, SECT_4K) },
-	{ "mx25l6405d",  INFO(0xc22017, 0, 64 * 1024, 128, SECT_4K) },
+	{ "mx25l6405d",  INFO(0xc22017, 0, 64 * 1024, 128,
+			      SECT_4K | SPI_NOR_4BIT_BP) },
 	{ "mx25u2033e",  INFO(0xc22532, 0, 64 * 1024,   4, SECT_4K) },
 	{ "mx25u3235f",	 INFO(0xc22536, 0, 64 * 1024,  64,
 			      SECT_4K | SPI_NOR_DUAL_READ |
-- 
2.17.1

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