From ee1c709cfde71b339a5c5dd0788522340c4c7e92 Mon Sep 17 00:00:00 2001
From: Takahiro Kuwano <Takahiro.Kuwano@infineon.com>
Date: Thu, 1 Sep 2022 15:05:30 +0900
Subject: [PATCH] mtd: spi-nor-core: Default to addr_width of 3 for
configurable widths
JESD216D-01 mentions that "defaults to 3-Byte mode; enters 4-Byte mode on
command."
Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano@infineon.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
---
drivers/mtd/spi/spi-nor-core.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c
index ec9b07a78f..f8d5669969 100644
--- a/drivers/mtd/spi/spi-nor-core.c
+++ b/drivers/mtd/spi/spi-nor-core.c
@@ -2236,6 +2236,7 @@ static int spi_nor_parse_bfpt(struct spi_nor *nor,
/* Number of address bytes. */
switch (bfpt.dwords[BFPT_DWORD(1)] & BFPT_DWORD1_ADDRESS_BYTES_MASK) {
case BFPT_DWORD1_ADDRESS_BYTES_3_ONLY:
+ case BFPT_DWORD1_ADDRESS_BYTES_3_OR_4:
nor->addr_width = 3;
break;
--
2.39.5