From nobody Fri Dec 19 12:15:00 2025 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 447F12D7DF9; Tue, 28 Oct 2025 07:36:22 +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=1761636984; cv=none; b=hlClggJahErOGm81XBHO3Mvf8BggmuUHGvahmuZB0NaltRVdN7k+s47eg3qMYP+hM49tP+vCRKEr/TiPwEywvQkObAmeUOXucd990qDZGRW7KPKQyINw2rJ3ZblBoXWSRZ7qPO3rGhawVceGbUsJD1Nr7+EzDXn++RAHCyfg6Cw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761636984; c=relaxed/simple; bh=DeGo9XAShIfC3xxU+fjKaBZWVETuB6VSJJ6p0BweWOU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=VGa6VFefoNIJPow1INfaSGTVsTLlnw7zGwnqFmuia1w6ldwHYi+aQS/TsrCMRB61pMfZY6d4edjogpyvWdzGFGwgglXZb5q81hIclIkmpqvhPIfEFTVQTDOqGUL1svFHDQFqitJzDfZKuKITHIefB0+UBa4nVgKjt/IF235ClyQ= 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=aTatl4/D; 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="aTatl4/D" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-02.galae.net (Postfix) with ESMTPS id D15D71A16F4; Tue, 28 Oct 2025 07:36:20 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id A460C606AB; Tue, 28 Oct 2025 07:36:20 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 7C20B102F2520; Tue, 28 Oct 2025 08:36:17 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1761636979; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=WHT5aJzkY83/xR8KEjHxLalZD9CDZAzX9GTwaJs76KY=; b=aTatl4/DUeZ/ETOVmVGskT4/f2W3KOfEAEio9LxG/85xfrnhggo5grwLZrkKOKa3H56O2x flx0cJcUmaE1gm5peOVfCwkzdX1vIIGuSdYGU6B049QSqm4MPSOwsGtXbCiPHze1yIDZPG wKzAzDlG+0MJ2rYOuEKLNyMxTiD3sLitBVDf4lNYokqUtJQA2xDE1TTGRxcaLArQSH1K/B ZOUi8WGyauTiS91D/N6OVP5KCdYtWH/9M3SWbbbTEH2TRnXtUd0u0/EHgeHQX5Xy2tLA74 e3MeeeJkAMb6Rw6sP9l1CUTTXsgIr5zQg0ubBmnCcP8TRzBHOxrTyYoqVyqETA== 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 v4 09/16] mtd: rawnand: sunxi: introduce ecc_mode_mask in sunxi_nfc_caps Date: Tue, 28 Oct 2025 08:35:02 +0100 Message-ID: <20251028073534.526992-10-richard.genoud@bootlin.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251028073534.526992-1-richard.genoud@bootlin.com> References: <20251028073534.526992-1-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 ECC_MODE field is not at the same offset, and has not the same size. So move the mask into sunxi_nfc_caps. Also, introduce a non compile-time field_prep() because FIELD_PREP() doesn't work with non compile-time constant. https://lore.kernel.org/all/cover.1761588465.git.geert+renesas@glider.be No functional change. Signed-off-by: Richard Genoud --- drivers/mtd/nand/raw/sunxi_nand.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi= _nand.c index 7976cd862b1b..a16d50a01751 100644 --- a/drivers/mtd/nand/raw/sunxi_nand.c +++ b/drivers/mtd/nand/raw/sunxi_nand.c @@ -29,8 +29,9 @@ #include #include =20 -/* non compile-time field get */ +/* non compile-time field get/prep */ #define field_get(_mask, _reg) (((_reg) & (_mask)) >> (ffs(_mask) - 1)) +#define field_prep(_mask, _val) (((_val) << (ffs(_mask) - 1)) & (_mask)) =20 #define NFC_REG_CTL 0x0000 #define NFC_REG_ST 0x0004 @@ -145,8 +146,8 @@ #define NFC_ECC_BLOCK_512 BIT(5) #define NFC_RANDOM_EN BIT(9) #define NFC_RANDOM_DIRECTION BIT(10) -#define NFC_ECC_MODE_MSK GENMASK(15, 12) -#define NFC_ECC_MODE(x) ((x) << 12) +#define NFC_ECC_MODE_MSK(nfc) (nfc->caps->ecc_mode_mask) +#define NFC_ECC_MODE(nfc, x) field_prep(NFC_ECC_MODE_MSK(nfc), (x)) #define NFC_RANDOM_SEED_MSK GENMASK(30, 16) #define NFC_RANDOM_SEED(x) ((x) << 16) =20 @@ -238,6 +239,7 @@ static inline struct sunxi_nand_chip *to_sunxi_nand(str= uct nand_chip *nand) * @reg_ecc_err_cnt: ECC error counter register * @reg_user_data: User data register * @reg_pat_found: Data Pattern Status Register + * @ecc_mode_mask: ECC_MODE mask in NFC_ECC_CTL register * @pat_found_mask: ECC_PAT_FOUND mask in NFC_REG_PAT_FOUND register * @dma_maxburst: DMA maxburst * @ecc_strengths: Available ECC strengths array @@ -250,6 +252,7 @@ struct sunxi_nfc_caps { unsigned int reg_ecc_err_cnt; unsigned int reg_user_data; unsigned int reg_pat_found; + unsigned int ecc_mode_mask; unsigned int pat_found_mask; unsigned int dma_maxburst; const u8 *ecc_strengths; @@ -1757,7 +1760,7 @@ static int sunxi_nand_hw_ecc_ctrl_init(struct nand_ch= ip *nand, ecc->read_oob_raw =3D nand_read_oob_std; ecc->write_oob_raw =3D nand_write_oob_std; =20 - sunxi_nand->ecc.ecc_ctl =3D NFC_ECC_MODE(i) | NFC_ECC_EXCEPTION | + sunxi_nand->ecc.ecc_ctl =3D NFC_ECC_MODE(nfc, i) | NFC_ECC_EXCEPTION | NFC_ECC_PIPELINE | NFC_ECC_EN; =20 if (ecc->size =3D=3D 512) { @@ -2227,6 +2230,7 @@ static const struct sunxi_nfc_caps sunxi_nfc_a10_caps= =3D { .reg_ecc_err_cnt =3D NFC_REG_A10_ECC_ERR_CNT, .reg_user_data =3D NFC_REG_A10_USER_DATA, .reg_pat_found =3D NFC_REG_ECC_ST, + .ecc_mode_mask =3D GENMASK(15, 12), .pat_found_mask =3D GENMASK(31, 16), .dma_maxburst =3D 4, .ecc_strengths =3D sunxi_ecc_strengths_a10, @@ -2240,6 +2244,7 @@ static const struct sunxi_nfc_caps sunxi_nfc_a23_caps= =3D { .reg_ecc_err_cnt =3D NFC_REG_A10_ECC_ERR_CNT, .reg_user_data =3D NFC_REG_A10_USER_DATA, .reg_pat_found =3D NFC_REG_ECC_ST, + .ecc_mode_mask =3D GENMASK(15, 12), .pat_found_mask =3D GENMASK(31, 16), .dma_maxburst =3D 8, .ecc_strengths =3D sunxi_ecc_strengths_a10, --=20 2.47.3