From patchwork Thu Apr 10 15:22:39 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 14046851 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 8441EC3601E for ; Thu, 10 Apr 2025 16:16:00 +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=k7hmDPcJtVnNvWJU40XvuloBaC9FfHDf4pXbcMxM9Jo=; b=CSvdXbcG22YmvQvQAc6lMXspQa B9LquXkaDOI0SoUCrKaL9K8UzWKWjB1tx8KBUMK4vCBY6eMjxKeUQQfTmAbudvGx8OgnyKLvi+Sp9 LGJ1WoPYXsZENMXGK/VCrbWZ6X4ou8WwDxjO2Z9MeKMLSAOb407ku4DLbX4fffJWHkkZIGDDzQcYG WipJkibVO17dulwloARICl9cfB19lJnp2v3jvFsP4XvNpLPm2b/bB8GBEmv3XGGRoCU+/Yyj9yXN/ 8dOfEaNiRZpTG5BGQPaM8tY5skAlu/yGILbFOYS9aRnXauGdRjcg1U37tQJtJ3AFG8jvcW/6cJ/5I dlfO8k7g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1u2uZB-0000000B9AS-0uNu; Thu, 10 Apr 2025 16:15:49 +0000 Received: from mgamail.intel.com ([192.198.163.17]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1u2tk2-0000000AzqS-0ZFV; Thu, 10 Apr 2025 15:22:59 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1744298578; x=1775834578; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=6Y6uk1OKDMurXHr6lYHInLtlxGOoJuYbcOgABgCGhk4=; b=KpVFjx9ANyh/czonxRULI8IQYE386GcEVkTQJ1Kq6gIZZ3HXX/dgayxl I1z64GsBzwiozfDRJfoHUt/FCaujKklvEdZxyd3j8+15BEUEy+MczO2K3 sBC3MPe5DZt3pmukdRiwXQGxO2eobayLVsePGtMOvOrZWALLzkLcrhSQh C3x2vpizIRSirvFYRRmYRj0neWXamcrmtftg2ndNfF0Ewclup1jOY5MP0 kq3GAmM5lpULBuZyE63HJaegbh9Pkfr7LuzHVopuv3yP6GDYWraptzbQI RYwO2JC4Zk0xjDloCUCJ9z9eRvuYC4zcW1AQejxjyrmlFZi38CeYs+24d A==; X-CSE-ConnectionGUID: d8mGH3UxRQqjfL6+dBdGrA== X-CSE-MsgGUID: EwO+QhP5RQqckbreAbP3aw== X-IronPort-AV: E=McAfee;i="6700,10204,11400"; a="45716275" X-IronPort-AV: E=Sophos;i="6.15,202,1739865600"; d="scan'208";a="45716275" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Apr 2025 08:22:56 -0700 X-CSE-ConnectionGUID: lXZBb65zRtqhhZOoXu2Bbg== X-CSE-MsgGUID: EKcd0ndITDqagjO31fW8Cg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,202,1739865600"; d="scan'208";a="134108197" Received: from turnipsi.fi.intel.com (HELO kekkonen.fi.intel.com) ([10.237.72.44]) by orviesa005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Apr 2025 08:22:52 -0700 Received: from punajuuri.localdomain (punajuuri.localdomain [192.168.240.130]) by kekkonen.fi.intel.com (Postfix) with ESMTP id EC2AF1203B9; Thu, 10 Apr 2025 18:22:49 +0300 (EEST) Received: from sailus by punajuuri.localdomain with local (Exim 4.96) (envelope-from ) id 1u2tjt-00HOc9-35; Thu, 10 Apr 2025 18:22:49 +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 v2 3/3] hwrng: npcm - Add struct device pointer to device context struct Date: Thu, 10 Apr 2025 18:22:39 +0300 Message-Id: <20250410152239.4146166-4-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250410152239.4146166-1-sakari.ailus@linux.intel.com> References: <20250410152239.4146166-1-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_082258_187216_F49A6307 X-CRM114-Status: GOOD ( 12.61 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add a struct device pointer field to the device's context struct. This makes using the unsigned long priv pointer in struct hwrng unnecessary, so remove that one as well. Signed-off-by: Sakari Ailus --- drivers/char/hw_random/npcm-rng.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/char/hw_random/npcm-rng.c b/drivers/char/hw_random/npcm-rng.c index 9ff00f096f38..3e308c890bd2 100644 --- a/drivers/char/hw_random/npcm-rng.c +++ b/drivers/char/hw_random/npcm-rng.c @@ -32,6 +32,7 @@ struct npcm_rng { void __iomem *base; struct hwrng rng; + struct device *dev; u32 clkp; }; @@ -57,7 +58,7 @@ static int npcm_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait) int retval = 0; int ready; - pm_runtime_get_sync((struct device *)priv->rng.priv); + pm_runtime_get_sync(priv->dev); while (max) { if (wait) { @@ -79,8 +80,8 @@ static int npcm_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait) max--; } - pm_runtime_mark_last_busy((struct device *)priv->rng.priv); - pm_runtime_put_sync_autosuspend((struct device *)priv->rng.priv); + pm_runtime_mark_last_busy(priv->dev); + pm_runtime_put_sync_autosuspend(priv->dev); return retval || !wait ? retval : -EIO; } @@ -109,7 +110,7 @@ static int npcm_rng_probe(struct platform_device *pdev) #endif priv->rng.name = pdev->name; priv->rng.read = npcm_rng_read; - priv->rng.priv = (unsigned long)&pdev->dev; + priv->dev = &pdev->dev; priv->clkp = (u32)(uintptr_t)of_device_get_match_data(&pdev->dev); writel(NPCM_RNG_M1ROSEL, priv->base + NPCM_RNGMODE_REG);