From patchwork Sat Feb 19 00:52:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baoquan He X-Patchwork-Id: 12752104 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 63F13C433FE for ; Sat, 19 Feb 2022 00:54:50 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id F10A16B007D; Fri, 18 Feb 2022 19:54:49 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id E98DD6B0080; Fri, 18 Feb 2022 19:54:49 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D5FEA6B0081; Fri, 18 Feb 2022 19:54:49 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0101.hostedemail.com [216.40.44.101]) by kanga.kvack.org (Postfix) with ESMTP id C8EFA6B007D for ; Fri, 18 Feb 2022 19:54:49 -0500 (EST) Received: from smtpin30.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 61821A0A30 for ; Sat, 19 Feb 2022 00:54:49 +0000 (UTC) X-FDA: 79157709498.30.286437A Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by imf10.hostedemail.com (Postfix) with ESMTP id 05A7EC0007 for ; Sat, 19 Feb 2022 00:54:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1645232088; 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=2pwL3ayF0vFpdCvZEuEQM3AYO/LKt3t8PTd2FjbKSGQ=; b=G4DCpdW3CFsLVSjtm16QGdEMjjtiHjyv2QHuKQRSBqAfNicoq4z731jwZy+aTjaNSWujrw jVSTXZ1ycjN0AvO0EThhAAlIMHk8lFYVpxadkTvvoljDXH/kp0mkSHYU1fulFA+qG8AQx9 wrlBdE9oHn04BW7ryJn47DbqCEy0DT4= 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-553-j7gk3TXHOaWbkr2GCBxMXw-1; Fri, 18 Feb 2022 19:54:43 -0500 X-MC-Unique: j7gk3TXHOaWbkr2GCBxMXw-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 4BE01814245; Sat, 19 Feb 2022 00:54:40 +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 2659C62D4E; Sat, 19 Feb 2022 00:54:25 +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 10/22] uio: pruss: Don't use GFP_DMA when calling dma_alloc_coherent() Date: Sat, 19 Feb 2022 08:52:09 +0800 Message-Id: <20220219005221.634-11-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 X-Rspamd-Queue-Id: 05A7EC0007 X-Stat-Signature: 5wdz6wkro6seiq51i1q1apigpxge4yua X-Rspam-User: Authentication-Results: imf10.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=G4DCpdW3; spf=none (imf10.hostedemail.com: domain of bhe@redhat.com has no SPF policy when checking 170.10.129.124) smtp.mailfrom=bhe@redhat.com; dmarc=pass (policy=none) header.from=redhat.com X-Rspamd-Server: rspam05 X-HE-Tag: 1645232088-927648 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/uio/uio_pruss.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/uio/uio_pruss.c b/drivers/uio/uio_pruss.c index e9096f53b4cc..1de39875d436 100644 --- a/drivers/uio/uio_pruss.c +++ b/drivers/uio/uio_pruss.c @@ -168,7 +168,7 @@ static int pruss_probe(struct platform_device *pdev) } gdev->ddr_vaddr = dma_alloc_coherent(dev, extram_pool_sz, - &(gdev->ddr_paddr), GFP_KERNEL | GFP_DMA); + &(gdev->ddr_paddr), GFP_KERNEL); if (!gdev->ddr_vaddr) { dev_err(dev, "Could not allocate external memory\n"); ret = -ENOMEM;