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[106.168.128.197]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c85202b91c6sm12065004a12.14.2026.05.27.02.06.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 May 2026 02:06:53 -0700 (PDT) From: tkuw584924@gmail.com X-Google-Original-From: takahiro.kuwano@infineon.com To: Tudor Ambarus , Pratyush Yadav , Michael Walle , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra Cc: linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, Takahiro Kuwano , stable@kernel.org Subject: [PATCH v2 1/2] mtd: spi-nor: spansion: use die erase for multi-die devices only Date: Wed, 27 May 2026 18:05:39 +0900 Message-ID: <3e0a6329c1fdc40324f847d9758d53eee2036e3c.1779872008.git.takahiro.kuwano@infineon.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Takahiro Kuwano Die erase opcode is supported in multi-die devices only. For single die devices, default chip erase opcode must be used. In s25hx_t_late_init(), die erase opcode is set only when the device is multi-die. Fixes: 461d0babb544 ("mtd: spi-nor: spansion: enable die erase for multi di= e flashes") Cc: stable@kernel.org Reviewed-by: Pratyush Yadav Reviewed-by: Tudor Ambarus Reviewed-by: Miquel Raynal Signed-off-by: Takahiro Kuwano Reviewed-by: Michael Walle --- drivers/mtd/spi-nor/spansion.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/spi-nor/spansion.c b/drivers/mtd/spi-nor/spansion.c index 8498c7003d88..b6023076903a 100644 --- a/drivers/mtd/spi-nor/spansion.c +++ b/drivers/mtd/spi-nor/spansion.c @@ -674,7 +674,9 @@ static int s25hx_t_late_init(struct spi_nor *nor) params->ready =3D cypress_nor_sr_ready_and_clear; cypress_nor_ecc_init(nor); =20 - params->die_erase_opcode =3D SPINOR_OP_CYPRESS_DIE_ERASE; + if (params->n_dice > 1) + params->die_erase_opcode =3D SPINOR_OP_CYPRESS_DIE_ERASE; + return 0; } =20 --=20 2.43.0 From nobody Mon Jun 8 18:55:55 2026 Received: from mail-pg1-f181.google.com (mail-pg1-f181.google.com [209.85.215.181]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E30C33E5EC2 for ; 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[106.168.128.197]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c85202b91c6sm12065004a12.14.2026.05.27.02.06.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 May 2026 02:06:57 -0700 (PDT) From: tkuw584924@gmail.com X-Google-Original-From: takahiro.kuwano@infineon.com To: Tudor Ambarus , Pratyush Yadav , Michael Walle , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra Cc: linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, Takahiro Kuwano Subject: [PATCH v2 2/2] mtd: spi-nor: spansion: add die erase support in s28hx-t Date: Wed, 27 May 2026 18:05:40 +0900 Message-ID: <36045be168c5e9525f9c649986b0f1a54dcb2be1.1779872008.git.takahiro.kuwano@infineon.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Takahiro Kuwano 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 Reviewed-by: Pratyush Yadav Reviewed-by: Miquel Raynal Signed-off-by: Takahiro Kuwano --- 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 =3D cypress_nor_sr_ready_and_clear; cypress_nor_ecc_init(nor); =20 + if (params->n_dice > 1) + params->die_erase_opcode =3D SPINOR_OP_CYPRESS_DIE_ERASE; + return 0; } =20 --=20 2.43.0