From nobody Mon Feb 9 13:35:40 2026 Received: from smtpout-02.galae.net (smtpout-02.galae.net [185.246.84.56]) (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 9F6B62F6181 for ; Mon, 20 Oct 2025 10:13:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.84.56 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760955241; cv=none; b=K/GXf37h65NwP6jwnJZlcHtfDBBSIeaM1lSHNTX2QYmWo3YbNdQzGoAWUGNS20H8ys5KBHgzWiLJC99CdDwo6cgGn/pOQPze65Yg6vTw/8sbnhta689PPPByaPJVJobAHzqDiGtGWZ79mls78RaanuOhHBda8N0aIyTVs8kpWe0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760955241; c=relaxed/simple; bh=Hnn8d1L69nr+BGHmp/NTgtAHLAUobVrpHbjzBTnFZi4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=tKZWbAIv6GOYfv/U+2Z6nQgwl2gNtoKnvzwY/NAcGSikhQVOYQQj4CYk/LtIJPhDKxIYhPGes+/SAOsij/Uso4zPvhpdWHXkgpLR6wR7SskK1pyPyHox/OrFo3M4S7L0dn+VeqqZhLcdJRH4zYk8FdJyDx+f2/hiIGniGOZ9VfQ= 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=bC8koX7u; arc=none smtp.client-ip=185.246.84.56 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="bC8koX7u" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-02.galae.net (Postfix) with ESMTPS id 17F301A154C; Mon, 20 Oct 2025 10:13:58 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id E1AEF606D5; Mon, 20 Oct 2025 10:13:57 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 51488102F23B2; Mon, 20 Oct 2025 12:13:55 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1760955236; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=HQ1IhgcFvXBkQ1TsRPeecT3KmPOkwdU0whK+wNY8jxI=; b=bC8koX7uJVqD67QaLxyhC/ytzw2wKkGKCOLexVp0xV5TULjmepqEmNRS+bb71IxFEb86yO SWInWPGqYQbhepePdNjH4FAH8osA0mJvyhKIVAyE5fvydq7XKBwN1Iq6KfDgD15GH3/GKe 59UBRu5MahJm+SlBXYrFrNS+lAV12gy4X9wYQf7ePcebWqNvYMWlLzB7GSJPLV9+eElu8P t+NuMX+cQ01IAuBD4jR4okTPLEy/VfMjIiAgBRYS995BUf8G2EzJUbjEbeIbcwXZgI21zs DYTjJTQ0J/kG5eKeWpb4gLVwS+zFHV9O+9t7ho7mQ8SJ5oXTMJHkMNX30+vpVQ== From: Richard Genoud To: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland Cc: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Wentao Liang , Johan Hovold , 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 v3 06/15] mtd: rawnand: sunxi: add has_ecc_block_512 capability Date: Mon, 20 Oct 2025 12:13:02 +0200 Message-ID: <20251020101311.256819-7-richard.genoud@bootlin.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251020101311.256819-1-richard.genoud@bootlin.com> References: <20251020101311.256819-1-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 H616 controller can't handle 512 bytes ECC block size. The NFC_ECC_BLOCK_512 bit disappeared in H6, and NDFC_RANDOM_EN took its place. So, add has_ecc_block_512 capability to only set this bit on SoC having it. 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 4cfb5d3e9c06..70c940840dda 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,