Message ID | 20230401091531.47412-2-jiaxun.yang@flygoat.com |
---|---|
State | New |
Headers |
Return-Path: <linux-kernel-owner@vger.kernel.org> Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:b0ea:0:b0:3b6:4342:cba0 with SMTP id b10csp1115262vqo; Sat, 1 Apr 2023 02:30:21 -0700 (PDT) X-Google-Smtp-Source: AK7set9xb/1qyFy0E81vWu5B/mR/SkqiMzFuoogWCmzgt1ZOj/Mnl67IEWwmltSIgh2FG1ybC+OT X-Received: by 2002:aa7:957c:0:b0:627:fea9:2060 with SMTP id x28-20020aa7957c000000b00627fea92060mr30650701pfq.13.1680341420909; Sat, 01 Apr 2023 02:30:20 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1680341420; cv=none; d=google.com; s=arc-20160816; b=jrDJXf5mqQgwxBtfAEQWFkr88o8sc159d1XOTRYkvLN56ZsA4exVdr3aj3k5Yq1mQw 42+Wpp7PNXgocJUb4imlsDTPPw37x6A4kXtb6Neuo8tDJG50V/zRhq9WcMvLd0naqfz7 CWwk+tyOmyItGING0PWUmFWZJgLf+4ubHrG0Sn7CrgCpA+ZY8F+HjBpNZaSb8UPqYphc pjcQCIrCzSgvuLYpp82TDJUZqTij0p3qOM0j/AMgpwqy+0eaVm6Ce6pjbCqHxBxV88OC w8U9JJjjghAz+9Z0EC/mjC3Nvaz0kYrvMe7S6BdUpIj1/JgIkTMIv4kYrp2pkj47ytpC YEWw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :feedback-id:dkim-signature:dkim-signature; bh=6ZdUaz0bULSUdlfaxIi2pdkawZZOMF82ZopwMrFwfbc=; b=HPDlx0jYEtiqJxChR6N62aakseHcocGGe+lsYP+3pRUAzP9E9mVcA1D8izLacx5yjg 44WGXePUrlYodAlUDakhtJ8f3FOhxO+S3myJBBnipqwmf2viwdoYMoVDX3b19+5ARXTd nKej7gXjJ+3VYA2SBfVNjOz7sHRCW7tXaNbj5Wr3dCbh9hagozpbLhOGRfqUyXDi0QSz wfVzB5uUbm/H2WHVmfcSFGyh20d/6pIcGWgRpJERzRDyEDJZZ97d9m4q+Zv0p9ekJoE+ 7Ja/GgEkTK/JpOrla44Yg1X9t0L7FwB7Ke4U3hssy1ZP+Q4aaY+svlBHAff6Zz5AMZiD u23A== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@flygoat.com header.s=fm3 header.b=ZYb64APE; dkim=pass header.i=@messagingengine.com header.s=fm2 header.b=n2+Sns5M; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=flygoat.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id q2-20020a656842000000b005130ed530ffsi4647480pgt.529.2023.04.01.02.30.05; Sat, 01 Apr 2023 02:30:20 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@flygoat.com header.s=fm3 header.b=ZYb64APE; dkim=pass header.i=@messagingengine.com header.s=fm2 header.b=n2+Sns5M; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=flygoat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229784AbjDAJPr (ORCPT <rfc822;dexuan.linux@gmail.com> + 99 others); Sat, 1 Apr 2023 05:15:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44128 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229727AbjDAJPn (ORCPT <rfc822;linux-kernel@vger.kernel.org>); Sat, 1 Apr 2023 05:15:43 -0400 Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C2FCE65BC; Sat, 1 Apr 2023 02:15:42 -0700 (PDT) Received: from compute2.internal (compute2.nyi.internal [10.202.2.46]) by mailout.nyi.internal (Postfix) with ESMTP id 3CDED5C0209; Sat, 1 Apr 2023 05:15:42 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute2.internal (MEProxy); Sat, 01 Apr 2023 05:15:42 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=flygoat.com; h= cc:cc:content-transfer-encoding:content-type:date:date:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to; s=fm3; t=1680340542; x= 1680426942; bh=6ZdUaz0bULSUdlfaxIi2pdkawZZOMF82ZopwMrFwfbc=; b=Z Yb64APEBRmQX6qnsbQ+gNGAqCe47A5ugfKPHsjoS0juWhirZbuCy5OqsbGVin0aQ MCprU8gXASeLV3u4fhQCB8Xmr6q9QR4w2HZJpdtlKTwu5UTiyxJEYkR+RtRyVRde UTwLtqN6qhUwO6xah+aI7dLJmA/yb8qsL05ZmqE47UppENL8RgKP+t5PLWHyEYgv sxhwSxbBQD+ye3z4TVmNgvmBGIE+aGU84qke6fbp70ckULSF34+i1MBOcxAd3u2K aob00h3PmgtGo76UIlwN0CqufBnhZt1E57/1uA+egkRWe6wX35P3VsqLKRW9J3oR P1NvJ1J8XM4zvQBVfbpog== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:date:date:feedback-id:feedback-id:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to:x-me-proxy:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm2; t=1680340542; x= 1680426942; bh=6ZdUaz0bULSUdlfaxIi2pdkawZZOMF82ZopwMrFwfbc=; b=n 2+Sns5MlCMh2CS5VbD4r4+tfWPBNZW4RfSSeYLJQ1wxvtWZeI+w//zhC/SBMe2wN Ue5yAxnK70ImQ5HLFWx9k1/JZJ3vvGMKku6U7/6tioBsUC5cTtJekxHafJNmyZMh hUfkRF+AkKbFh00IiA8DUKvrLFElH8m8uZF2yJcPjkaUmm3LnOm40eWxKN6e7AKe 6MGiQItIbp/g9gx/F0//fNfDMvpcMLTWiAdmoCfZpKcNQGBEeeNXWetaW27oUc1G KardIf3w6xRRk8YcR5R5mVHjbM/0sHBYN3d2fSqnbAGZkeleeQp9xCv24tHbLrut ukVhLPN80yCeH5PYfwmtw== X-ME-Sender: <xms:PvYnZKt-zWPqZrgcrFY6AOOemameG7W6-C2QSx77SsyR9Z2_z-CHNw> <xme:PvYnZPes5nXJmw3iDxG2X_9YZsQ7N179e2hdLMPN_9u0YkfajE3BixuH1pLuq-f4_ zZOQ9VuePXcGexJ6VI> X-ME-Received: <xmr:PvYnZFznsQ_q-aL2pCmlfQaEv0wP31Q8WUaTzsrnlD2q5ulJuw2TW78xT4Rpt5xy_cJjP_WDaI8> X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvhedrvdeifedgudegucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefhvfevufffkffojghfggfgsedtke ertdertddtnecuhfhrohhmpeflihgrgihunhcujggrnhhguceojhhirgiguhhnrdihrghn ghesfhhlhihgohgrthdrtghomheqnecuggftrfgrthhtvghrnhepfeeludefheegvdeuvd dvgeekgfdvtdettdelieeihfegtedugeekhfdvhfejfedtnecuvehluhhsthgvrhfuihii vgeptdenucfrrghrrghmpehmrghilhhfrhhomhepjhhirgiguhhnrdihrghnghesfhhlhi hgohgrthdrtghomh X-ME-Proxy: <xmx:PvYnZFOWT9rX4KVETjZaH87LUHkf-7NkzbN_Qib2QMqlBWf03QhrHA> <xmx:PvYnZK9XuT8G4n4z6Lq2OJzsz3B2lX7isTLmDh7Lqzv4yP7p3BjP8w> <xmx:PvYnZNUr7L6sbtxlAO2w7uTxFHLdkyeMdR9I0B4bWla1dJma3HUUOA> <xmx:PvYnZMcuntpmBcB4d9JK6LDt8H-UanPzN6G1vOiuUwwUbjxBBLzSZQ> Feedback-ID: ifd894703:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Sat, 1 Apr 2023 05:15:40 -0400 (EDT) From: Jiaxun Yang <jiaxun.yang@flygoat.com> To: iommu@lists.linux.dev Cc: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, tsbogend@alpha.franken.de, mpe@ellerman.id.au, paul.walmsley@sifive.com, palmer@dabbelt.com, robh+dt@kernel.org, hch@lst.de, m.szyprowski@samsung.com, robin.murphy@arm.com, linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, Jiaxun Yang <jiaxun.yang@flygoat.com> Subject: [PATCH v4 1/3] dma-mapping: Provide a fallback dma_default_coherent Date: Sat, 1 Apr 2023 10:15:29 +0100 Message-Id: <20230401091531.47412-2-jiaxun.yang@flygoat.com> X-Mailer: git-send-email 2.39.2 (Apple Git-143) In-Reply-To: <20230401091531.47412-1-jiaxun.yang@flygoat.com> References: <20230401091531.47412-1-jiaxun.yang@flygoat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL,SPF_HELO_PASS,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1761965685474375332?= X-GMAIL-MSGID: =?utf-8?q?1761965685474375332?= |
Series |
Use dma_default_coherent for devicetree default coherency
|
|
Commit Message
Jiaxun Yang
April 1, 2023, 9:15 a.m. UTC
dma_default_coherent was decleared unconditionally at kernel/dma/mapping.c
but only decleared when any of non-coherent options is enabled in
dma-map-ops.h.
Guard the declaration in mapping.c with non-coherent options and provide
a fallback definition.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
---
v3: Style fix
---
include/linux/dma-map-ops.h | 2 ++
kernel/dma/mapping.c | 4 ++++
2 files changed, 6 insertions(+)
diff --git a/include/linux/dma-map-ops.h b/include/linux/dma-map-ops.h index 41bf4bdb117a..31f114f486c4 100644 --- a/include/linux/dma-map-ops.h +++ b/include/linux/dma-map-ops.h @@ -269,6 +269,8 @@ static inline bool dev_is_dma_coherent(struct device *dev) return dev->dma_coherent; } #else +#define dma_default_coherent true + static inline bool dev_is_dma_coherent(struct device *dev) { return true; diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c index 68106e3791f6..80f9663ffe26 100644 --- a/kernel/dma/mapping.c +++ b/kernel/dma/mapping.c @@ -17,7 +17,11 @@ #include "debug.h" #include "direct.h" +#if defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_DEVICE) || \ + defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU) || \ + defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU_ALL) bool dma_default_coherent; +#endif /* * Managed DMA API