From: Takahiro Kuwano <takahiro.kuwano@infineon.com>
Date: Wed, 27 May 2026 09:05:40 +0000 (+0900)
Subject: mtd: spi-nor: spansion: add die erase support in s28hx-t
X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=df415c5e1de0f1aeefacb4e6252ff98d38c04437;p=thirdparty%2Fkernel%2Flinux.git

mtd: spi-nor: spansion: add die erase support in s28hx-t

S28Hx-T family has multi-die devices that support die erase opcode.
Update die erase opcode when the device is multi-die.

Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Takahiro Kuwano <takahiro.kuwano@infineon.com>
Signed-off-by: Pratyush Yadav <pratyush@kernel.org>
---

diff --git a/drivers/mtd/spi-nor/spansion.c b/drivers/mtd/spi-nor/spansion.c
index b6023076903a..65227d989de1 100644
--- a/drivers/mtd/spi-nor/spansion.c
+++ b/drivers/mtd/spi-nor/spansion.c
@@ -762,6 +762,9 @@ static int s28hx_t_late_init(struct spi_nor *nor)
 	params->ready = cypress_nor_sr_ready_and_clear;
 	cypress_nor_ecc_init(nor);
 
+	if (params->n_dice > 1)
+		params->die_erase_opcode = SPINOR_OP_CYPRESS_DIE_ERASE;
+
 	return 0;
 }