From patchwork Sat Feb 19 00:52:02 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baoquan He X-Patchwork-Id: 12752063 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id BF4B8C433EF for ; Sat, 19 Feb 2022 00:53:20 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 43EC86B007B; Fri, 18 Feb 2022 19:53:20 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 3EED96B007D; Fri, 18 Feb 2022 19:53:20 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 275416B007E; Fri, 18 Feb 2022 19:53:20 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0133.hostedemail.com [216.40.44.133]) by kanga.kvack.org (Postfix) with ESMTP id 19ECB6B007B for ; Fri, 18 Feb 2022 19:53:20 -0500 (EST) Received: from smtpin15.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id C29EA181C441B for ; Sat, 19 Feb 2022 00:53:19 +0000 (UTC) X-FDA: 79157705718.15.9E9501F Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by imf27.hostedemail.com (Postfix) with ESMTP id 3F51440004 for ; Sat, 19 Feb 2022 00:53:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1645231998; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:in-reply-to:in-reply-to:references:references; bh=1aAgMpwStNlcYKTvxIIYOe7gqT8/S9pjkqPo7BOpV0E=; b=ENEq86ExkwvCZNwMVfWHPxg1i1ouPvkpFRv8BENuGeBtU7m94VBWNyb8pqGPH00RbUW04C VMjKcjWlItfH7XNVoyAQUTLt163kuhBiNxDpND5PMm7ZAD6unOQMwM0BmsJ/uktvJOlSfq 0rrgj/PVqyFQ/Cxibjr0ys8FMz7a/PY= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-76-F1pOwS_JM2ejnP-s-8PL5g-1; Fri, 18 Feb 2022 19:53:15 -0500 X-MC-Unique: F1pOwS_JM2ejnP-s-8PL5g-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 6E9F0801ADA; Sat, 19 Feb 2022 00:53:12 +0000 (UTC) Received: from MiWiFi-R3L-srv.redhat.com (ovpn-12-39.pek2.redhat.com [10.72.12.39]) by smtp.corp.redhat.com (Postfix) with ESMTP id 9AD4762D5B; Sat, 19 Feb 2022 00:53:02 +0000 (UTC) From: Baoquan He To: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, akpm@linux-foundation.org, hch@lst.de, cl@linux.com, 42.hyeyoo@gmail.com, penberg@kernel.org, rientjes@google.com, iamjoonsoo.kim@lge.com, vbabka@suse.cz, David.Laight@ACULAB.COM, david@redhat.com, herbert@gondor.apana.org.au, davem@davemloft.net, linux-crypto@vger.kernel.org, steffen.klassert@secunet.com, netdev@vger.kernel.org, hca@linux.ibm.com, gor@linux.ibm.com, agordeev@linux.ibm.com, borntraeger@linux.ibm.com, svens@linux.ibm.com, linux-s390@vger.kernel.org, michael@walle.cc, linux-i2c@vger.kernel.org, wsa@kernel.org Subject: [PATCH 03/22] gpu: ipu-v3: Don't use GFP_DMA when calling dma_alloc_coherent() Date: Sat, 19 Feb 2022 08:52:02 +0800 Message-Id: <20220219005221.634-4-bhe@redhat.com> In-Reply-To: <20220219005221.634-1-bhe@redhat.com> References: <20220219005221.634-1-bhe@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Authentication-Results: imf27.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=ENEq86Ex; dmarc=pass (policy=none) header.from=redhat.com; spf=none (imf27.hostedemail.com: domain of bhe@redhat.com has no SPF policy when checking 170.10.133.124) smtp.mailfrom=bhe@redhat.com X-Rspam-User: X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 3F51440004 X-Stat-Signature: wubba5w4k3sew3hycxifxygk5gwherh6 X-HE-Tag: 1645231999-931670 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: dma_alloc_coherent() allocates dma buffer with device's addressing limitation in mind. It's redundent to specify GFP_DMA when calling dma_alloc_coherent(). [ 42.hyeyoo@gmail.com: Update changelog ] Signed-off-by: Baoquan He Acked-by: Hyeonggon Yoo <42.hyeyoo@gmail.com> Reviewed-by: Christoph Hellwig --- drivers/gpu/ipu-v3/ipu-image-convert.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/ipu-v3/ipu-image-convert.c b/drivers/gpu/ipu-v3/ipu-image-convert.c index aa1d4b6d278f..1bd3eff2cf47 100644 --- a/drivers/gpu/ipu-v3/ipu-image-convert.c +++ b/drivers/gpu/ipu-v3/ipu-image-convert.c @@ -382,7 +382,7 @@ static int alloc_dma_buf(struct ipu_image_convert_priv *priv, { buf->len = PAGE_ALIGN(size); buf->virt = dma_alloc_coherent(priv->ipu->dev, buf->len, &buf->phys, - GFP_DMA | GFP_KERNEL); + GFP_KERNEL); if (!buf->virt) { dev_err(priv->ipu->dev, "failed to alloc dma buffer\n"); return -ENOMEM;