From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-dy1-f195.google.com (mail-dy1-f195.google.com [74.125.82.195]) (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 6AC2A19AD90 for ; Tue, 9 Jun 2026 02:02:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.195 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780970527; cv=none; b=tG1kfYEOojX8AAnh2voU74bQtK86d3L2rypMUROUDHy/9MWFExx/U45Q0IXd4+XEcj2Qt/M3xY+r0gCThS6BeF/1cZcHVpq0dkLmKm5IioAw/303YGOsoB67tUAI8jzOH90tTsJqUiM7zwkZcaH3JdLHr8AR8kxF+MewGqqqBFA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780970527; c=relaxed/simple; bh=QeW/STLyYG/i5jkBp17ftR+3cpihYYH8oMxgmL+y6rw=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=Zt1N839wH/GbmI7jjPcteVVLG4NKigLCbniOiIXqiT4ZO3HTUx+0jzttni5yIKkXGln5L6XkjldMqMZcRM5XiQ0KtjKs1F1WfmmkbypqKZQODOfG2iLYM4v1SFfM6Ww92YCMmyicJGVQLrxpfUgnU8GneJkgrLk4ozMFNqGB5To= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=YxNrcDiF; arc=none smtp.client-ip=74.125.82.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="YxNrcDiF" Received: by mail-dy1-f195.google.com with SMTP id 5a478bee46e88-304d8362a58so2988637eec.1 for ; Mon, 08 Jun 2026 19:02:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1780970525; x=1781575325; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=fSgcU1GhcXamrNLMZjCeVVLL7W5g6J2Hhqtxw8/bHRE=; b=YxNrcDiFbOC0CMHeZPTlVIM5qGAq4MYv2hOJWwDcaQTAUU7kfGsb6f/iRWVh7s0BU/ hhF/pwqKo1IoWtUiWHARtZndGTQuygSDZ7ROVxHJKdgkvjpDbE7NG+9qC9aYGRE8kQrY m47fhwYqfPZoG91kmjEaVQHmOnX+AKITzNdZ9fP+VsxByFaeogUS1iPV9AGR+NfejMoG 9CRWJI0WbXKJi8Z6j5f6w3a17Wm3pb8r6kN211tmo8vL3Xn+6MjNFE1Po/z43EM+A5If t07M/eeh0kbtf0wxgv6qKfqL+wfF9AjhguYQRfAkV6jpByd0Ele5+uI+8hEAwhYvWplp UBLw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1780970525; x=1781575325; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=fSgcU1GhcXamrNLMZjCeVVLL7W5g6J2Hhqtxw8/bHRE=; b=VbqoaM7TMiVCputkQ+fx/IP1xD9KSL2kQMspVpnCUJuhTKZSOlzBSh483tHJa8zvFd BF1bK+9VpnZG9UHweu4a5m++zzW7fphUX1HsRcOBrXkLDX9wus2QrF3yg8k+pfWDeX0k l78qteswctigIWeL/9i1nASxjo00v9t8sU1ZwWLlUt5gdQ4+xyETG1QfXs7J/LBcZSjk Mkg0rfPnDKhudMx7j2H74vFQTFqNbQoFczll5Xc8XYgKDtuYm//e5K+UUvdwz5IRgDev jEp1rpR032P5NATnzS2jgH9bEe1z5AqYJs8KfaISiEiTyrfaKg04BWeBtaTEEsfp5icR 2uWQ== X-Forwarded-Encrypted: i=1; AFNElJ+2pn1zwY/uC15rhzCTfqC5ifzG9kIQgZEhYIiJGAJM5fJ2pBNLU2YTPNDJvr7TLkRUc81LbS0pKqiYhN4=@vger.kernel.org X-Gm-Message-State: AOJu0Ywx64zzJagyFHWl3DYH/M9KfyRkIB4ts+syy+8skPRA+0cXDkED tFQ955W5G1VTkhuKv5svkH00aXShCkNs+Kkzo8sOgRT7Hsrq2GuoDH+4RH3Cx5BK X-Gm-Gg: Acq92OE0DwTcVRcbWEhhRJrv5DxzsWAQ/5BSFCzo0pVF2wOUbojwp5JqyrOECLJ895n ph0qOy1uhtc8pU1CrexgcbpbdDqU9TqUjj5HYti+QAnBKOcS0vaqlkM6RpQQpZNW2a04P8vso/M i0ElRG64b1ECEk4mxmvPBqPEx4Vcw2yKqEDFYcRWZw4/weSsd4zBMFIiFWQJCEyPLtFf+pRPhRK Rbl8mqYkh6M1Si79O6qnX/fhZBElSZyxNi4y+yN2WOqE45eO7QnyhtXbxAeBWAV0nEQWuyiZm4b perPFt3FrZH/gYCgiS6EFXKfFbO2iwugjSxPBp5BHCxSyq7I4kQkiXBc9fDv563FdAJgTe6tP7x y7hlVJJOpGYAXooSxRLCnKtmBwGungtt5QdlodLuPBqc/7tqT7KDWdqvllm/MUVvl4608QKykwQ rOQi/2Js7jGzk4/0ShThR1hBKMg2XmQyCDjUdwbyXKLptb5g89P6HQUu8VAk9wcoygTA== X-Received: by 2002:a05:7300:d516:b0:304:e258:a758 with SMTP id 5a478bee46e88-3077fa43c2emr8564330eec.0.1780970525251; Mon, 08 Jun 2026 19:02:05 -0700 (PDT) Received: from localhost.localdomain ([76.32.119.210]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3074dea8e8csm19046340eec.16.2026.06.08.19.02.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Jun 2026 19:02:04 -0700 (PDT) From: Hungyu Lin To: Jonathan Cameron Cc: David Lechner , =?UTF-8?q?Nuno=20S=C3=A1?= , Andy Shevchenko , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Hungyu Lin Subject: [PATCH v3] iio: magnetometer: bmc150: use FIELD_PREP and FIELD_GET helpers Date: Tue, 9 Jun 2026 02:01:16 +0000 Message-Id: <20260609020116.88462-1-dennylin0707@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Replace open-coded bitfield operations with FIELD_PREP() and FIELD_GET() helpers where appropriate. Also simplify bmc150_magn_set_odr() by returning directly from the matching table entry. Signed-off-by: Hungyu Lin --- v3: - Add missing include v2: - Use FIELD_PREP() and FIELD_GET() helpers as suggested by Jonathan Cameron - Simplify bmc150_magn_set_odr() by returning directly from the matching table entry drivers/iio/magnetometer/bmc150_magn.c | 34 ++++++++++++-------------- 1 file changed, 16 insertions(+), 18 deletions(-) diff --git a/drivers/iio/magnetometer/bmc150_magn.c b/drivers/iio/magnetometer/bmc150_magn.c index bf2551988008..fff7e88ef6a8 100644 --- a/drivers/iio/magnetometer/bmc150_magn.c +++ b/drivers/iio/magnetometer/bmc150_magn.c @@ -13,6 +13,7 @@ #include #include #include +#include #include #include #include @@ -245,14 +246,14 @@ static int bmc150_magn_set_power_mode(struct bmc150_magn_data *data, return regmap_update_bits(data->regmap, BMC150_MAGN_REG_OPMODE_ODR, BMC150_MAGN_MASK_OPMODE, - BMC150_MAGN_MODE_SLEEP << - BMC150_MAGN_SHIFT_OPMODE); + FIELD_PREP(BMC150_MAGN_MASK_OPMODE, + BMC150_MAGN_MODE_SLEEP)); case BMC150_MAGN_POWER_MODE_NORMAL: return regmap_update_bits(data->regmap, BMC150_MAGN_REG_OPMODE_ODR, BMC150_MAGN_MASK_OPMODE, - BMC150_MAGN_MODE_NORMAL << - BMC150_MAGN_SHIFT_OPMODE); + FIELD_PREP(BMC150_MAGN_MASK_OPMODE, + BMC150_MAGN_MODE_NORMAL)); } return -EINVAL; @@ -290,7 +291,8 @@ static int bmc150_magn_get_odr(struct bmc150_magn_data *data, int *val) ret = regmap_read(data->regmap, BMC150_MAGN_REG_OPMODE_ODR, ®_val); if (ret < 0) return ret; - odr_val = (reg_val & BMC150_MAGN_MASK_ODR) >> BMC150_MAGN_SHIFT_ODR; + + odr_val = FIELD_GET(BMC150_MAGN_MASK_ODR, reg_val); for (i = 0; i < ARRAY_SIZE(bmc150_magn_samp_freq_table); i++) if (bmc150_magn_samp_freq_table[i].reg_val == odr_val) { @@ -303,21 +305,17 @@ static int bmc150_magn_get_odr(struct bmc150_magn_data *data, int *val) static int bmc150_magn_set_odr(struct bmc150_magn_data *data, int val) { - int ret; u8 i; for (i = 0; i < ARRAY_SIZE(bmc150_magn_samp_freq_table); i++) { - if (bmc150_magn_samp_freq_table[i].freq == val) { - ret = regmap_update_bits(data->regmap, - BMC150_MAGN_REG_OPMODE_ODR, - BMC150_MAGN_MASK_ODR, - bmc150_magn_samp_freq_table[i]. - reg_val << - BMC150_MAGN_SHIFT_ODR); - if (ret < 0) - return ret; - return 0; - } + if (bmc150_magn_samp_freq_table[i].freq != val) + continue; + + return regmap_update_bits(data->regmap, + BMC150_MAGN_REG_OPMODE_ODR, + BMC150_MAGN_MASK_ODR, + FIELD_PREP(BMC150_MAGN_MASK_ODR, + bmc150_magn_samp_freq_table[i].reg_val)); } return -EINVAL; @@ -800,7 +798,7 @@ static int bmc150_magn_data_rdy_trigger_set_state(struct iio_trigger *trig, ret = regmap_update_bits(data->regmap, BMC150_MAGN_REG_INT_DRDY, BMC150_MAGN_MASK_DRDY_EN, - state << BMC150_MAGN_SHIFT_DRDY_EN); + FIELD_PREP(BMC150_MAGN_MASK_DRDY_EN, state)); if (ret < 0) return ret; -- 2.34.1