From patchwork Tue Jan 7 09:02:00 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wolfram Sang X-Patchwork-Id: 13928473 X-Patchwork-Delegate: geert@linux-m68k.org Received: from mail.zeus03.de (zeus03.de [194.117.254.33]) (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 B09D81DFD99 for ; Tue, 7 Jan 2025 09:02:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=194.117.254.33 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736240534; cv=none; b=eIRwiQIKppkMRgYVkaFMG2pxRW1HCYvIrvW34VSiybpab/do712RvBxZjSW4j4WYWUs8EqdMyrSMHP9pp+CiR36AhvTrplPKrFmWNJfODTUCIL6Wtn9DQ/KtbeIwxoCwbmmsSrdM0EX2IgtnUYa8RSxYACsNL4wHLR5m1bywlYo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736240534; c=relaxed/simple; bh=m4dZUh60u/mP9K/YIW4a9JOlkH+HgpGeePQd9+q1fYE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=h01Cqh1kZbgccXCdk1DzBGocDy+dUjy+LvoXBIv7BW37NpFcNBsIIA90qZjayRQ1zKhazkp8OxJNTDkoQSP+4PMRlRWlYWCcljyCTxVm3EyfGKftbLxB3xpxbDkuqnKhEFcOe2DwMZ9bR6wXRVf61XF6hryhsHQqY0QkqvX0yME= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com; spf=pass smtp.mailfrom=sang-engineering.com; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b=Jl4M7yTT; arc=none smtp.client-ip=194.117.254.33 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b="Jl4M7yTT" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= sang-engineering.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; s=k1; bh=3esdoiFUb3AEevKBNMcpAJ6KfgvtuQ7LV32gNwqiGFg=; b=Jl4M7y TTjNgAoBMM0fzgwlpdNwhWedqnlibkxCCVlKu0nJEY5R3AD80JO7w5+dUI115wKT +OtzoIHK7KtHltOseIEQUj1URJweRklK+880BEyl5Jw2R2wzxL52SH4Un1+I+FIi uKNung5c4LxuzIfRV9YeO+IqFxq04DFCnBkUB8jnHK31+WWg8QGZXMzIuLNYz+hZ aVNaYZwqwI9QNXnesom7OQUZ08anvBX7ccToarXwhUvIClpPG1X0dsnRxsh/dOs1 pNVOHuDV/RRFP6oZ+6+jCK9I0W4ozZzZCvX+bkvDurNKZssqCwDQoofoa1XOMaze 2TQFceHsD+BR5QqQ== Received: (qmail 2125271 invoked from network); 7 Jan 2025 10:02:08 +0100 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 7 Jan 2025 10:02:08 +0100 X-UD-Smtp-Session: l3s3148p1@qa3t/xkrXJMgAwDPXw20AOMQ2KO98fSH From: Wolfram Sang To: linux-i3c@lists.infradead.org Cc: linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Wolfram Sang , Guenter Roeck , Geert Uytterhoeven , Kuan-Wei Chiu , Jean Delvare , linux-hwmon@vger.kernel.org Subject: [PATCH v4 2/5] hwmon: (spd5118) Use generic parity calculation Date: Tue, 7 Jan 2025 10:02:00 +0100 Message-ID: <20250107090204.6593-3-wsa+renesas@sang-engineering.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20250107090204.6593-1-wsa+renesas@sang-engineering.com> References: <20250107090204.6593-1-wsa+renesas@sang-engineering.com> Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Make use of the new generic helper for calculating the parity. Signed-off-by: Wolfram Sang Tested-by: Guenter Roeck Acked-by: Guenter Roeck Reviewed-by: Geert Uytterhoeven Reviewed-by: Kuan-Wei Chiu --- drivers/hwmon/spd5118.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/drivers/hwmon/spd5118.c b/drivers/hwmon/spd5118.c index 6cee48a3e5c3..358152868d96 100644 --- a/drivers/hwmon/spd5118.c +++ b/drivers/hwmon/spd5118.c @@ -291,12 +291,6 @@ static umode_t spd5118_is_visible(const void *_data, enum hwmon_sensor_types typ } } -static inline bool spd5118_parity8(u8 w) -{ - w ^= w >> 4; - return (0x6996 >> (w & 0xf)) & 1; -} - /* * Bank and vendor id are 8-bit fields with seven data bits and odd parity. * Vendor IDs 0 and 0x7f are invalid. @@ -304,7 +298,7 @@ static inline bool spd5118_parity8(u8 w) */ static bool spd5118_vendor_valid(u8 bank, u8 id) { - if (!spd5118_parity8(bank) || !spd5118_parity8(id)) + if (parity8(bank) == 0 || parity8(id) == 0) return false; id &= 0x7f;