From patchwork Thu Apr 10 07:06:21 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 14046119 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D1C28C3601E for ; Thu, 10 Apr 2025 08:43:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=vyRnA4Q+yFbS2ZBT7zMPT+jHN8phVJhU2QuGyNS6f34=; b=MAmZZN7MLrtsmyj2deD0OI2061 CPlNzfQcNv2JmSnyGwDFf81BYFgRd374sdU7SCSfI3SGoH4PVd7hmv3dtTHbd4wOHbJDOVc9mIr0L YyOvYQmZPZhE7TBajxU4J2FL7zP7rmECG9dXGiV85TFRzk/1EgyrCuo+X3UDKL/QVL9s5LYpDD6tP EN/jDxdiioIqYY2veznMupVK6UmAQ/ooRZlYor1kUPDoEU64CfbG0wQFiD0kA9imlgxaFKS4iZPGj twWYmmLYjsB1LdOfE9lPgdoU3c8LKTp2BNcjIIowwmkFLCPbH7mGPSLtC38XhOhr4/RWKun2MemxX Q8cc6l7w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1u2nV2-00000009n6y-0A53; Thu, 10 Apr 2025 08:43:04 +0000 Received: from mgamail.intel.com ([198.175.65.20]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1u2lzk-00000009TPp-1232; Thu, 10 Apr 2025 07:06:41 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1744268800; x=1775804800; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=eVtQY8JBtI7OBFxIa1E1PA3pS0GE/8DYWFULSp6JaHg=; b=SWy+MEIxIKFI7gK7TTRI0dl9vEhB5kZYtSvbIx1zTCCFbwdUkRDmDNLW 9VkPKNBtuePT0FPjCdKwCutxVx3symAarTYa32DY3Kkf7s2DvzG9kUTuz hcLZ5YNpfhqm/GHUNV1RpnE/x/4LzwWGYnRidLNOY3Z0a/JQr2ZTyWW+2 PC4Ri7bYGA/1jRIWRW++ytGTJ0EEuuZLae963uSlzyEL5I5DHA051GGXn Zt47L/ZoAX6H9bKA4ENBD5X2kwkRu9uHIgV7eLTjQM6dzA/5KJb8OziYu U6nx3km/e3BhnrEFt9pEKitqgIsgvcWQentYvcuE07cZpgRj+0k8EmX4O g==; X-CSE-ConnectionGUID: V27z1nB+STSlsqswaxjU4A== X-CSE-MsgGUID: xBncpXWARnSHc5Az+xsx/A== X-IronPort-AV: E=McAfee;i="6700,10204,11399"; a="45484786" X-IronPort-AV: E=Sophos;i="6.15,202,1739865600"; d="scan'208";a="45484786" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Apr 2025 00:06:39 -0700 X-CSE-ConnectionGUID: kVTH2jZVTbeS/zX/rcXnvA== X-CSE-MsgGUID: BorZ3DaiT8GsjoUcY7tKvA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,202,1739865600"; d="scan'208";a="128791501" Received: from turnipsi.fi.intel.com (HELO kekkonen.fi.intel.com) ([10.237.72.44]) by fmviesa007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Apr 2025 00:06:36 -0700 Received: from punajuuri.localdomain (punajuuri.localdomain [192.168.240.130]) by kekkonen.fi.intel.com (Postfix) with ESMTP id AAD2D11FA2F; Thu, 10 Apr 2025 10:06:33 +0300 (EEST) Received: from sailus by punajuuri.localdomain with local (Exim 4.96) (envelope-from ) id 1u2lzd-00FQT7-28; Thu, 10 Apr 2025 10:06:33 +0300 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo From: Sakari Ailus To: linux-crypto@vger.kernel.org Cc: Olivia Mackall , Herbert Xu , Nicolas Ferre , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno , Avi Fishman , Tomer Maimon , Tali Perry , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, openbmc@lists.ozlabs.org Subject: [PATCH 1/3] hwrng: atmel - Add a local variable for struct device pointer Date: Thu, 10 Apr 2025 10:06:21 +0300 Message-Id: <20250410070623.3676647-2-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250410070623.3676647-1-sakari.ailus@linux.intel.com> References: <20250410070623.3676647-1-sakari.ailus@linux.intel.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250410_000640_320045_E7038501 X-CRM114-Status: GOOD ( 11.62 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Add a local variable for a struct device pointer instead of obtaining the hwrng priv field and casting it as a struct device pointer whenever it's needed. Signed-off-by: Sakari Ailus --- drivers/char/hw_random/atmel-rng.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/char/hw_random/atmel-rng.c b/drivers/char/hw_random/atmel-rng.c index 143406bc6939..5192c39ebaeb 100644 --- a/drivers/char/hw_random/atmel-rng.c +++ b/drivers/char/hw_random/atmel-rng.c @@ -56,12 +56,13 @@ static int atmel_trng_read(struct hwrng *rng, void *buf, size_t max, bool wait) { struct atmel_trng *trng = container_of(rng, struct atmel_trng, rng); + struct device *dev = (struct device *)trng->rng.priv; u32 *data = buf; int ret; - ret = pm_runtime_get_sync((struct device *)trng->rng.priv); + ret = pm_runtime_get_sync(dev); if (ret < 0) { - pm_runtime_put_sync((struct device *)trng->rng.priv); + pm_runtime_put_sync(dev); return ret; } @@ -79,8 +80,8 @@ static int atmel_trng_read(struct hwrng *rng, void *buf, size_t max, ret = 4; out: - pm_runtime_mark_last_busy((struct device *)trng->rng.priv); - pm_runtime_put_sync_autosuspend((struct device *)trng->rng.priv); + pm_runtime_mark_last_busy(dev); + pm_runtime_put_sync_autosuspend(dev); return ret; }