From nobody Fri Dec 19 12:02:04 2025 Received: from smtpout-04.galae.net (smtpout-04.galae.net [185.171.202.116]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2161B27F4C7 for ; Fri, 10 Oct 2025 08:41:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.171.202.116 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760085712; cv=none; b=jg917gASBLXBxm8ocMUnPHJonQWJF1s/MFrpdFsUqMeL9+47o4ujhMAHs42zJe+Vqa5L99daeEhnowvmYaWyrMZ5lfHOIEXJ+xRWsOYTaXV803Zk2y/BMkBet0t3rTGLVKeYBBbNwimGTWU7bDGWZS1h5zLpJGW1+qGNS2Nh4iA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760085712; c=relaxed/simple; bh=0AbNnOo4M+NHEvhdStfE8vWrf7XpyOL/iMHm//HtuD0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=XENkK80CBMJgkMWw+uXiYh/g0VV6g9af9etlusTX9yjq5f+PO/rx6OhAtOllQY2idY79Q6XuGDLhoC17Sw4QWtlyxbtLGBIIW9LAqG+pQWxEjHLDfb7rpkxJB6Lupq2a4FGGtxeo3HQzx3GSTfWe4glPH5wXswlj9MUrpXywap0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=1QLjYHaX; arc=none smtp.client-ip=185.171.202.116 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="1QLjYHaX" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-04.galae.net (Postfix) with ESMTPS id 26729C08CCA; Fri, 10 Oct 2025 08:41:31 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id C296560667; Fri, 10 Oct 2025 08:41:49 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 8957E102F21F6; Fri, 10 Oct 2025 10:41:46 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1760085708; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=9zF3woeq5c0FzokyfhWbeyMnFFFrF+2MtT34xOty4uM=; b=1QLjYHaXbTQMeAJ1TjLK/9J6y3RtJkoTC0AvdN9nDL/1XlhwY0y/ocj5V7aFCDhtGr2Lxc ihHImlbT5bhZ0PrDbTg0LLBQF2t1ggtcd9gruEvVIi1Ry7JxfXKKRuqd+4WuORXSs0mCWp pG8vKQ9rhY01wmF1wkXMGm9nUP7tmZugdAtSzqUS0mczuiLBZTIK1hnaT4HFbpkE4ppbph XscHovJnMDuw8kdlgICl6U4loGqwr4y8d9iedLyXdg0av5aEiLlbKydVhqGlTwqti0yi3m 82i1GRRO2Eu9ukWfQS7OevbXBGRJ7T7INBitGWyC8TDHQRPDcdW7du/AXCv78w== From: Richard Genoud To: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland Cc: Wentao Liang , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Maxime Ripard , Thomas Petazzoni , linux-mtd@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Richard Genoud Subject: [PATCH 08/15] mtd: nand: sunxi: add has_ecc_block_512 capability Date: Fri, 10 Oct 2025 10:40:35 +0200 Message-ID: <20251010084042.341224-9-richard.genoud@bootlin.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251010084042.341224-1-richard.genoud@bootlin.com> References: <20251010084042.341224-1-richard.genoud@bootlin.com> 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 X-Last-TLS-Session-Version: TLSv1.3 Content-Type: text/plain; charset="utf-8" The H6/H616 controller can't handle 512 bytes ecc block size. Let it be a capability. No functional change. Signed-off-by: Richard Genoud --- drivers/mtd/nand/raw/sunxi_nand.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi= _nand.c index 8c0430fbbb38..672e934444ca 100644 --- a/drivers/mtd/nand/raw/sunxi_nand.c +++ b/drivers/mtd/nand/raw/sunxi_nand.c @@ -222,6 +222,7 @@ static inline struct sunxi_nand_chip *to_sunxi_nand(str= uct nand_chip *nand) * * @has_mdma: Use mbus dma mode, otherwise general dma * through MBUS on A23/A33 needs extra configuration. + * @has_ecc_block_512: If the ECC can handle 512B or only 1024B chuncks * @reg_io_data: I/O data register * @reg_ecc_err_cnt: ECC error counter register * @reg_user_data: User data register @@ -233,6 +234,7 @@ static inline struct sunxi_nand_chip *to_sunxi_nand(str= uct nand_chip *nand) */ struct sunxi_nfc_caps { bool has_mdma; + bool has_ecc_block_512; unsigned int reg_io_data; unsigned int reg_ecc_err_cnt; unsigned int reg_user_data; @@ -1748,8 +1750,14 @@ static int sunxi_nand_hw_ecc_ctrl_init(struct nand_c= hip *nand, sunxi_nand->ecc.ecc_ctl =3D NFC_ECC_MODE(i) | NFC_ECC_EXCEPTION | NFC_ECC_PIPELINE | NFC_ECC_EN; =20 - if (ecc->size =3D=3D 512) - sunxi_nand->ecc.ecc_ctl |=3D NFC_ECC_BLOCK_512; + if (ecc->size =3D=3D 512) { + if (nfc->caps->has_ecc_block_512) { + sunxi_nand->ecc.ecc_ctl |=3D NFC_ECC_BLOCK_512; + } else { + dev_err(nfc->dev, "512B ECC block not supported\n"); + return -EOPNOTSUPP; + } + } =20 return 0; } @@ -2204,6 +2212,7 @@ static const u8 sunxi_ecc_strengths_a10[] =3D { }; =20 static const struct sunxi_nfc_caps sunxi_nfc_a10_caps =3D { + .has_ecc_block_512 =3D true, .reg_io_data =3D NFC_REG_A10_IO_DATA, .reg_ecc_err_cnt =3D NFC_REG_A10_ECC_ERR_CNT, .reg_user_data =3D NFC_REG_A10_USER_DATA, @@ -2216,6 +2225,7 @@ static const struct sunxi_nfc_caps sunxi_nfc_a10_caps= =3D { =20 static const struct sunxi_nfc_caps sunxi_nfc_a23_caps =3D { .has_mdma =3D true, + .has_ecc_block_512 =3D true, .reg_io_data =3D NFC_REG_A23_IO_DATA, .reg_ecc_err_cnt =3D NFC_REG_A10_ECC_ERR_CNT, .reg_user_data =3D NFC_REG_A10_USER_DATA, --=20 2.47.3