[PATCH 2/2] mtd: spi-nor: spansion: add die erase support in s28hx-t

Takahiro Kuwano tkuw584924 at gmail.com
Thu Apr 16 21:09:37 PDT 2026


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

Signed-off-by: Takahiro Kuwano <takahiro.kuwano at infineon.com>
---
 drivers/mtd/spi-nor/spansion.c | 3 +++
 1 file changed, 3 insertions(+)

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;
 }
 

-- 
2.43.0




More information about the linux-mtd mailing list