From patchwork Thu Apr 10 15:22:38 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 14046848 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 2B53DC3601E for ; Thu, 10 Apr 2025 16:19:44 +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=ciTMixDWtrmvfuyXx2qtE4AIaIJcXyTH+sbQarjhKAM=; b=JvjSMumCXmKXhUYLtg99tfiAWG ZOedsvJhsuifNbW71S9iSpXij6nOYWIrPAW6bHLiWR4kWXcTYmFmzrAM2cJGzjlZFDLh3Iw0OXCHf gLnsrPlvOaJ9tgSn8R1Rvj9ujF1U4Q91nOFR6CRUlLla5cnFizmLyiTWHwGL51XjPjxqjj/0XTI4P r1ujy+JWYhTTE6x9HzexiwXPoAIr6KCjuXrhvVuSm/+9HTDPbR2X2OxiOqw3JsYCVHeSdcVDIMBal 3JcXvnzCa9+xSZoFMOnoBJDxfJDYOB3WG7UduAh+wC/GAcyPmld3z+NSlHyEz33wpql3vpqCFGtdY 9KWjuqLQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1u2ucx-0000000B9e1-0kOw; Thu, 10 Apr 2025 16:19:43 +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 1u2tk3-0000000AzqS-1wde; Thu, 10 Apr 2025 15:23:00 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1744298579; x=1775834579; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=1rmJxpqqkGXBWjcPvpAAKCZLWRdEQASHVQu+D1tpj9E=; b=kdBlDrvyZwO8F5UloXKzgDVyOHzcbGBxmP+Q6e0rCiTPWxe7T6dT9Cd1 BT5KW/1OtJ81P7Xokby6Hf3pl9Aw7iorc6+jNK0h4KETp5M0hptI5a+q7 j8+tru5pI0cDqMeteE2z1mtjELVbo5/oGDHjSPvUlv2G5ELa4AgHDIqhm GfJWuWwHAbTMlwG5jgG9/wH9tTrk83stwXGnbkiprCvUcjuiTLC69Jjnh Pk9ze628R6/4F2gYJmglQfPhRgrb9B0N8XOpFVrU15GW8joVxfxWDjvx/ 79HnJuWjgVJ5hy5ep+cwAS6AIWe/X0113k1VpISA6W3dCVcb5G0qs9zK0 g==; X-CSE-ConnectionGUID: j+F1L8vXQ56eAxxpq+8BkA== X-CSE-MsgGUID: J/FkM/L/Tpak3tLNfnci+g== X-IronPort-AV: E=McAfee;i="6700,10204,11400"; a="45716297" X-IronPort-AV: E=Sophos;i="6.15,202,1739865600"; d="scan'208";a="45716297" 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: bC5JV7arSSy41yOILBG4rA== X-CSE-MsgGUID: VvkIrii3SNinWOPC6+RzqQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,202,1739865600"; d="scan'208";a="134108199" 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 E87D411FB1F; Thu, 10 Apr 2025 18:22:49 +0300 (EEST) Received: from sailus by punajuuri.localdomain with local (Exim 4.96) (envelope-from ) id 1u2tjt-00HOc3-30; 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 2/3] hwrng: mtk - Add struct device pointer to device context struct Date: Thu, 10 Apr 2025 18:22:38 +0300 Message-Id: <20250410152239.4146166-3-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_082259_515373_CD65436B X-CRM114-Status: GOOD ( 13.14 ) 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 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/mtk-rng.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/char/hw_random/mtk-rng.c b/drivers/char/hw_random/mtk-rng.c index 1e3048f2bb38..b7fa1bc1122b 100644 --- a/drivers/char/hw_random/mtk-rng.c +++ b/drivers/char/hw_random/mtk-rng.c @@ -36,6 +36,7 @@ struct mtk_rng { void __iomem *base; struct clk *clk; struct hwrng rng; + struct device *dev; }; static int mtk_rng_init(struct hwrng *rng) @@ -85,7 +86,7 @@ static int mtk_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait) struct mtk_rng *priv = to_mtk_rng(rng); int retval = 0; - pm_runtime_get_sync((struct device *)priv->rng.priv); + pm_runtime_get_sync(priv->dev); while (max >= sizeof(u32)) { if (!mtk_rng_wait_ready(rng, wait)) @@ -97,8 +98,8 @@ static int mtk_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait) max -= sizeof(u32); } - 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; } @@ -112,13 +113,13 @@ static int mtk_rng_probe(struct platform_device *pdev) if (!priv) return -ENOMEM; + priv->dev = &pdev->dev; priv->rng.name = pdev->name; #ifndef CONFIG_PM priv->rng.init = mtk_rng_init; priv->rng.cleanup = mtk_rng_cleanup; #endif priv->rng.read = mtk_rng_read; - priv->rng.priv = (unsigned long)&pdev->dev; priv->rng.quality = 900; priv->clk = devm_clk_get(&pdev->dev, "rng");