From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4C790C433DF for ; Thu, 14 May 2020 12:46:30 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 231032065D for ; Thu, 14 May 2020 12:46:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 231032065D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=8bytes.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id E50CF20424; Thu, 14 May 2020 12:46:29 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id My7mpPd1HFqz; Thu, 14 May 2020 12:46:28 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by silver.osuosl.org (Postfix) with ESMTP id 33FAB226F3; Thu, 14 May 2020 12:46:28 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 2A3F8C0178; Thu, 14 May 2020 12:46:28 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id C3D55C0178 for ; Thu, 14 May 2020 12:46:26 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id AE8FB89575 for ; Thu, 14 May 2020 12:46:26 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id G1ENWX4FphMK for ; Thu, 14 May 2020 12:46:25 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from theia.8bytes.org (8bytes.org [81.169.241.247]) by hemlock.osuosl.org (Postfix) with ESMTPS id 3BAF78955A for ; Thu, 14 May 2020 12:46:25 +0000 (UTC) Received: by theia.8bytes.org (Postfix, from userid 1000) id AD2E5273; Thu, 14 May 2020 14:46:22 +0200 (CEST) From: Joerg Roedel To: Maxime Ripard Subject: [PATCH 2/2] iommu/sun50i: Use __GFP_ZERO instead of memset() Date: Thu, 14 May 2020 14:46:21 +0200 Message-Id: <20200514124621.25999-2-joro@8bytes.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200514124621.25999-1-joro@8bytes.org> References: <20200514124621.25999-1-joro@8bytes.org> Cc: jroedel@suse.de, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Chen-Yu Tsai , Maxime Ripard , linux-arm-kernel@lists.infradead.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" From: Joerg Roedel Allocate zeroed memory so there is no need to memset it to 0 in the driver. Cc: Maxime Ripard Signed-off-by: Joerg Roedel --- drivers/iommu/sun50i-iommu.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/iommu/sun50i-iommu.c b/drivers/iommu/sun50i-iommu.c index a52f52eff7c8..9c763d4a8e2a 100644 --- a/drivers/iommu/sun50i-iommu.c +++ b/drivers/iommu/sun50i-iommu.c @@ -616,11 +616,10 @@ static struct iommu_domain *sun50i_iommu_domain_alloc(unsigned type) iommu_get_dma_cookie(&sun50i_domain->domain)) goto err_free_domain; - sun50i_domain->dt = (u32 *)__get_free_pages(GFP_KERNEL, + sun50i_domain->dt = (u32 *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, get_order(DT_SIZE)); if (!sun50i_domain->dt) goto err_put_cookie; - memset(sun50i_domain->dt, 0, DT_SIZE); refcount_set(&sun50i_domain->refcnt, 1); -- 2.17.1 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu