From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 F0FBA76051; Mon, 29 Jan 2024 17:17:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706548631; cv=none; b=p527Kk1kJGhidvq788Tqc/r7TReymPNZ87/inGS779itvdlg7k/uiq+d6re3FOMXhJ3aftRPpuxtiHlZOkuXkEQRitgkC2wPxyoSdpqZxaOTkHrc/bs/3RpGvMebW8D3HYFTMhTrh9lCjFXNhuUmQi5RmNzcMV7NR3uJMzCTp5Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706548631; c=relaxed/simple; bh=XgQIvs8XtoZD3PzsV6hb4pUzZapiKARTl+ft/Vzv95w=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=DPXj1D5pTQn7wDs3gMF/Sxm2SC9Y4f5yER6gZyWBnkERy5MygzQ0jMzM4I/vQNNjVGO2/HKKRDpnYzNMe8iwm2WjuvASqiiAZJ8N7qvBg42QkjxPoOR4EUaa5YGm2wGTcmwGBDam44H9Z2VoXjoG9GrKNK2n1Pe65YGXWzyd/6U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=F/AZd2il; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="F/AZd2il" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B7A73C43399; Mon, 29 Jan 2024 17:17:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1706548630; bh=XgQIvs8XtoZD3PzsV6hb4pUzZapiKARTl+ft/Vzv95w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=F/AZd2ilQRa1rZoZn9fMggvIqtd6cobH4LFVV+R6sj2DzTCZ2/wGfKnT01ElpelQL uVugCQjr2wJFQrNfcTD9uJvq/XgZy8Z2gnLbA3kMQKsNSeSqlM9DL7G+wv8KMNQ0gA WYfKuXaGZBpNefzqirx2KnpkDBPvP3qoGfXuv8E8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Sakari Ailus , Hans de Goede , Laurent Pinchart , Hans Verkuil , Sasha Levin Subject: [PATCH 6.6 280/331] media: v4l: cci: Add macros to obtain register width and address Date: Mon, 29 Jan 2024 09:05:44 -0800 Message-ID: <20240129170023.056975525@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240129170014.969142961@linuxfoundation.org> References: <20240129170014.969142961@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Sakari Ailus [ Upstream commit cd93cc245dfe334c38da98c14b34f9597e1b4ea6 ] Add CCI_REG_WIDTH() macro to obtain register width in bits and similarly, CCI_REG_WIDTH_BYTES() to obtain it in bytes. Also add CCI_REG_ADDR() macro to obtain the address of a register. Use both macros in v4l2-cci.c, too. Signed-off-by: Sakari Ailus Reviewed-by: Hans de Goede Reviewed-by: Laurent Pinchart Signed-off-by: Hans Verkuil Stable-dep-of: d92e7a013ff3 ("media: v4l2-cci: Add support for little-endian encoded registers") Signed-off-by: Sasha Levin --- drivers/media/v4l2-core/v4l2-cci.c | 8 ++++---- include/media/v4l2-cci.h | 5 +++++ 2 files changed, 9 insertions(+), 4 deletions(-) diff --git a/drivers/media/v4l2-core/v4l2-cci.c b/drivers/media/v4l2-core/v4l2-cci.c index bc2dbec019b0..3179160abde3 100644 --- a/drivers/media/v4l2-core/v4l2-cci.c +++ b/drivers/media/v4l2-core/v4l2-cci.c @@ -25,8 +25,8 @@ int cci_read(struct regmap *map, u32 reg, u64 *val, int *err) if (err && *err) return *err; - len = FIELD_GET(CCI_REG_WIDTH_MASK, reg); - reg = FIELD_GET(CCI_REG_ADDR_MASK, reg); + len = CCI_REG_WIDTH_BYTES(reg); + reg = CCI_REG_ADDR(reg); ret = regmap_bulk_read(map, reg, buf, len); if (ret) { @@ -75,8 +75,8 @@ int cci_write(struct regmap *map, u32 reg, u64 val, int *err) if (err && *err) return *err; - len = FIELD_GET(CCI_REG_WIDTH_MASK, reg); - reg = FIELD_GET(CCI_REG_ADDR_MASK, reg); + len = CCI_REG_WIDTH_BYTES(reg); + reg = CCI_REG_ADDR(reg); switch (len) { case 1: diff --git a/include/media/v4l2-cci.h b/include/media/v4l2-cci.h index f2c2962e936b..a2835a663df5 100644 --- a/include/media/v4l2-cci.h +++ b/include/media/v4l2-cci.h @@ -7,6 +7,7 @@ #ifndef _V4L2_CCI_H #define _V4L2_CCI_H +#include #include #include @@ -34,6 +35,10 @@ struct cci_reg_sequence { #define CCI_REG_WIDTH_SHIFT 16 #define CCI_REG_WIDTH_MASK GENMASK(19, 16) +#define CCI_REG_WIDTH_BYTES(x) FIELD_GET(CCI_REG_WIDTH_MASK, x) +#define CCI_REG_WIDTH(x) (CCI_REG_WIDTH_BYTES(x) << 3) +#define CCI_REG_ADDR(x) FIELD_GET(CCI_REG_ADDR_MASK, x) + #define CCI_REG8(x) ((1 << CCI_REG_WIDTH_SHIFT) | (x)) #define CCI_REG16(x) ((2 << CCI_REG_WIDTH_SHIFT) | (x)) #define CCI_REG24(x) ((3 << CCI_REG_WIDTH_SHIFT) | (x)) -- 2.43.0