From patchwork Sat Dec 14 08:58:32 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wolfram Sang X-Patchwork-Id: 13908420 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 860C0161328 for ; Sat, 14 Dec 2024 08:58:46 +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=1734166731; cv=none; b=lRrld9ICMptaWVwVjErylXqy+zOVialXmiQTfWl73dvhrj9o/ivqLllucgy3D5wu++joIkPmPw2OARtcLZgcP0Sr5U0AVj77Q6fGWFSJMXVB45f0iCPivR2A8Ei/5x+H6mkWQVsp6M1MIOq1UgoeMlLO2tQmYKTZv5XfS73Xom0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734166731; c=relaxed/simple; bh=AmlVvrQ8iOfKbH3YXZgneXCCi7K2VfqQc3W7DMkumpk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Q9nUiUldXaKayu8a+/IhJ27ijLtOi1wjn5WzHCm56gygSbq4joDxAoKt7hwhlXSCGBD45kWB21ngeUnrUKa7HRwLpWYcNShO/p22zNkH6PQ5V0HKGAvwHSmikm0NvesqtN5Lx0awlgpDqAGVM6Cv1Cgmay4woH2KppAIULPXDME= 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=ch0UNMRd; 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="ch0UNMRd" 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=V/U1WDJaY7VuSaVdnDsrNgusQyOaSAv9Mkt7sm9FcRo=; b=ch0UNM RdctcsuKdT0jzhUWxGFPyqjFXA+nUbxMmmHzwUtm0u5pHecp5wepmPxC50xs3qfw DAPCoCcoaoa+7xQmGlQszhrvL9rpPGEZF4tX7XRrciGNCEmJ2UEqp0Qiy0clDAF3 iMygep41I/j74Aq0ml9RfscLW4M52qIXFpglqDxcJBJ5jjIy2q/HO4HQyf+yG4a5 q1P+D1ItmouATvjDIO0hx2fu1bwk1ABKCVWdkmSRLEfhHdLxZhPZIvfVu8OJKZDY ti6RrFKx8HxgdDr8aiauA1BNqaLh0rLq/F7ZPomUncnclfWnmMKr74M1NZ2ICGe3 zqXg/C3+DYnjyE5w== Received: (qmail 3036721 invoked from network); 14 Dec 2024 09:58:39 +0100 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 14 Dec 2024 09:58:39 +0100 X-UD-Smtp-Session: l3s3148p1@zTtCJzcp3oFehhtJ From: Wolfram Sang To: linux-renesas-soc@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, Wolfram Sang , Jean Delvare , Guenter Roeck Subject: [RFC PATCH 2/2] hwmon: (spd5118) Use generic parity calculation Date: Sat, 14 Dec 2024 09:58:32 +0100 Message-ID: <20241214085833.8695-3-wsa+renesas@sang-engineering.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241214085833.8695-1-wsa+renesas@sang-engineering.com> References: <20241214085833.8695-1-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 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..07ab3a47b00c 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 (get_parity8(bank) == 0 || get_parity8(id) == 0) return false; id &= 0x7f;