From patchwork Thu Apr 22 08:15:04 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claire Chang X-Patchwork-Id: 12218071 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 B2B5AC43460 for ; Thu, 22 Apr 2021 09:10:42 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 648226157F for ; Thu, 22 Apr 2021 09:10:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 648226157F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id AFA816EA5A; Thu, 22 Apr 2021 09:10:16 +0000 (UTC) Received: from mail-pj1-x1029.google.com (mail-pj1-x1029.google.com [IPv6:2607:f8b0:4864:20::1029]) by gabe.freedesktop.org (Postfix) with ESMTPS id DA6926EA3C for ; Thu, 22 Apr 2021 08:17:01 +0000 (UTC) Received: by mail-pj1-x1029.google.com with SMTP id f2-20020a17090a4a82b02900c67bf8dc69so544560pjh.1 for ; Thu, 22 Apr 2021 01:17:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=II4tcMZ5Sw7jMUCuMNHItr2ESdAma+cudK/mj3wTE4E=; b=g67oZjS4DG+MlBHAj5fP4OXD/aByavtOTh4g+oC1qn1ppqQSBF1tkJ0F6VjeXpk7XZ dMZktmKOrk4Wn3QuYuQVSUq0o7o1vo2ytqYa1fC1S3W1yzuB1Vnkl8D9OUsD3jSSHINJ bA/iMCQ6pIa/UrEFSh4rBJKrVOhYdlsthwSBU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=II4tcMZ5Sw7jMUCuMNHItr2ESdAma+cudK/mj3wTE4E=; b=aFcsCr5i2ZdqDkF/Zac8wr8oKaec+Ehr7T71Mh9HNB+hzQ1IfWidBUaGvLiu1nwh7W kfz5TsGVbv1lo08NvblgbXver7xkdTBHe3Qm7Lc9kZtO7jRewrHXApNowlZHOIzNfxMH TPhyAhGy1aC4oavnjR39KhvpMdM6Mik7MQNr/E1h97Px52naaiQbGa5xpPd1XT3TQkpu 8plmOVo2g84pkYrODoUvzksMRi6fME/YHDpC6/htVYKnINQke0oKX2SAPfO9GbKJT4hA dMIakNWz9CpxmvOcDWOQKzKmIBRL6qqnBSYptcPj3+QIAamGB3x7c5Xrwm8dXvAfPGYe wi3w== X-Gm-Message-State: AOAM532FNrjEZrLNjORcpFYNreq0O2XNOVR2z7FzGvJEYF0+IR/poY/t dFIlDsvw5C3ip3y34CeEf33GBg== X-Google-Smtp-Source: ABdhPJydBgDAieBYh/9Ynn+xY2fjE6IZW8L2sy0R9JNHtf8kZ7Y8TDb9J+jJ/cnp9RtKMkr9CXa+fg== X-Received: by 2002:a17:90b:812:: with SMTP id bk18mr2736214pjb.145.1619079421594; Thu, 22 Apr 2021 01:17:01 -0700 (PDT) Received: from localhost ([2401:fa00:1:10:1a8e:1bde:f79e:c302]) by smtp.gmail.com with UTF8SMTPSA id m3sm1445841pgl.91.2021.04.22.01.16.54 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 22 Apr 2021 01:17:01 -0700 (PDT) From: Claire Chang To: Joerg Roedel , Will Deacon , Frank Rowand , Konrad Rzeszutek Wilk , boris.ostrovsky@oracle.com, jgross@suse.com, Christoph Hellwig , Marek Szyprowski Subject: [PATCH v5 12/16] dma-direct: Add a new wrapper __dma_direct_free_pages() Date: Thu, 22 Apr 2021 16:15:04 +0800 Message-Id: <20210422081508.3942748-13-tientzu@chromium.org> X-Mailer: git-send-email 2.31.1.368.gbe11c130af-goog In-Reply-To: <20210422081508.3942748-1-tientzu@chromium.org> References: <20210422081508.3942748-1-tientzu@chromium.org> MIME-Version: 1.0 X-Mailman-Approved-At: Thu, 22 Apr 2021 09:10:06 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: heikki.krogerus@linux.intel.com, thomas.hellstrom@linux.intel.com, peterz@infradead.org, dri-devel@lists.freedesktop.org, chris@chris-wilson.co.uk, grant.likely@arm.com, paulus@samba.org, mingo@kernel.org, jxgao@google.com, sstabellini@kernel.org, Saravana Kannan , xypron.glpk@gmx.de, "Rafael J . Wysocki" , Bartosz Golaszewski , bskeggs@redhat.com, linux-pci@vger.kernel.org, xen-devel@lists.xenproject.org, Thierry Reding , intel-gfx@lists.freedesktop.org, matthew.auld@intel.com, linux-devicetree , airlied@linux.ie, Robin Murphy , Nicolas Boichat , rodrigo.vivi@intel.com, bhelgaas@google.com, tientzu@chromium.org, Dan Williams , Andy Shevchenko , nouveau@lists.freedesktop.org, Greg KH , Randy Dunlap , lkml , tfiga@chromium.org, "list@263.net:IOMMU DRIVERS" , Jim Quinlan , linuxppc-dev@lists.ozlabs.org, bauerman@linux.ibm.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add a new wrapper __dma_direct_free_pages() that will be useful later for swiotlb_free(). Signed-off-by: Claire Chang --- kernel/dma/direct.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/kernel/dma/direct.c b/kernel/dma/direct.c index 7a88c34d0867..7a27f0510fcc 100644 --- a/kernel/dma/direct.c +++ b/kernel/dma/direct.c @@ -75,6 +75,12 @@ static bool dma_coherent_ok(struct device *dev, phys_addr_t phys, size_t size) min_not_zero(dev->coherent_dma_mask, dev->bus_dma_limit); } +static void __dma_direct_free_pages(struct device *dev, struct page *page, + size_t size) +{ + dma_free_contiguous(dev, page, size); +} + static struct page *__dma_direct_alloc_pages(struct device *dev, size_t size, gfp_t gfp) { @@ -237,7 +243,7 @@ void *dma_direct_alloc(struct device *dev, size_t size, return NULL; } out_free_pages: - dma_free_contiguous(dev, page, size); + __dma_direct_free_pages(dev, page, size); return NULL; } @@ -273,7 +279,7 @@ void dma_direct_free(struct device *dev, size_t size, else if (IS_ENABLED(CONFIG_ARCH_HAS_DMA_CLEAR_UNCACHED)) arch_dma_clear_uncached(cpu_addr, size); - dma_free_contiguous(dev, dma_direct_to_page(dev, dma_addr), size); + __dma_direct_free_pages(dev, dma_direct_to_page(dev, dma_addr), size); } struct page *dma_direct_alloc_pages(struct device *dev, size_t size, @@ -310,7 +316,7 @@ struct page *dma_direct_alloc_pages(struct device *dev, size_t size, *dma_handle = phys_to_dma_direct(dev, page_to_phys(page)); return page; out_free_pages: - dma_free_contiguous(dev, page, size); + __dma_direct_free_pages(dev, page, size); return NULL; } @@ -329,7 +335,7 @@ void dma_direct_free_pages(struct device *dev, size_t size, if (force_dma_unencrypted(dev)) set_memory_encrypted((unsigned long)vaddr, 1 << page_order); - dma_free_contiguous(dev, page, size); + __dma_direct_free_pages(dev, page, size); } #if defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_DEVICE) || \