From patchwork Sat Apr 1 09:15:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiaxun Yang X-Patchwork-Id: 13196833 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CFB06C77B60 for ; Sat, 1 Apr 2023 09:16:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Mdd5b2GZgV0m755UdkBVvbEJagIlrAXdOaWvULNxMRo=; b=Iy0/N6MvkRI75t WJNfYIwx+ZelXyfLKqkYbxxTqmjc7Gn7loHB8x9rCH8amuEI0EgmLY0p1EJgDJMtUDhYvrTVEs4uI GOaYkXNWlp7WtlJaGgYYBRRVc4sJ8Sa5PXB44OX195glF8lWV/6LTm0RHCzZu3tipQrlcX7Osa6Rq C56R1/Mz+n7X1gaudKMKwEsnWNhJGq0OWznemDKov/Iye/s8DH/rlZcUWQTVWgIsj7PWa0sEYUPlb lVRfzCYuaaXhlnziW59yxtDP7jahd3WGKovud+9CnPR0S99IblKIm3FkyyEYpIDax4UQLAWfRsdAM t9HZrYTWoJD48glwPrBQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1piXKw-00A5Sa-0M; Sat, 01 Apr 2023 09:15:50 +0000 Received: from out1-smtp.messagingengine.com ([66.111.4.25]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1piXKt-00A5Qt-1R for linux-riscv@lists.infradead.org; Sat, 01 Apr 2023 09:15:48 +0000 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.nyi.internal (Postfix) with ESMTP id D4D1C5C0215; Sat, 1 Apr 2023 05:15:46 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute4.internal (MEProxy); Sat, 01 Apr 2023 05:15:46 -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=1680340546; x= 1680426946; bh=hcnHw+44/BST0LlazN+bGPEtcTMQwb2S8vINX4/AFbM=; b=B tjfwkOCgUBddKw0AfFN9aSDCGtJ7cj6iPzmn9lNGjgaMMuN2p0D1voxnc0b+D0t1 WSiLn6iLpMaHZL9npSONbVslZKur2IP/nHqDCz1MrLWnCa3fhjwkp3dDacdFwUdF O5R1AdhTwBel7MRg0GuwuXCrVBB5VEO8ICxl2wvVbQzHDhvPemaP7sQI/wEKMhN7 pYMQt0OWrOGaVEGMOQgzPhW002om69/yLvNYTPwqlEZ1UqUEiVVPLsS9Y42s1Mbx fMEBdeL9qaLdH6C45x+5kDiCS2AsIB3f6ebNnq6jzfA4z3bMrffYPnk9mDTVHqt+ GlJXIe8DxGkTlA5H+8W/A== 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=1680340546; x= 1680426946; bh=hcnHw+44/BST0LlazN+bGPEtcTMQwb2S8vINX4/AFbM=; b=R O5MclV+8iYZGEjTibnyUUa6zqcv/oOriD0wfapql6pJXDi33Z+FTOdEkg2RfemmH nf+BcjZLGWjZLyz0cQolPfXYoc86OC7UpeSMQNTd3A/qhOlbI5WMZWZNyy73PoS0 ob5+F7+ag7xUC/b8Vqdx4GrjcSsZe1jaL9Q1jadu158xshYBoJQbAfYnaBfsn76C 7Na7uwtKsJw6EQ6KNULJwiUfQslSJOV2wTSC1dPXbvHBEZxdfLwTeuvm98X+aK1c DDMY0TUlKFR89L8p4akclzvJJ4vmbj4gqGDhqrr9U68YpNsYJ2Zc0njLUJYnbnE3 Frz+qUvEF8vQaCEnVXUTg== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvhedrvdeifedgudegucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvvefufffkofgjfhgggfestdekredtredttdenucfhrhhomheplfhirgig uhhnucgjrghnghcuoehjihgrgihunhdrhigrnhhgsehflhihghhorghtrdgtohhmqeenuc ggtffrrghtthgvrhhnpeefledufeehgedvuedvvdegkefgvddttedtleeiiefhgeetudeg kefhvdfhjeeftdenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfh hrohhmpehjihgrgihunhdrhigrnhhgsehflhihghhorghtrdgtohhm X-ME-Proxy: Feedback-ID: ifd894703:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Sat, 1 Apr 2023 05:15:44 -0400 (EDT) From: Jiaxun Yang 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 , Rob Herring Subject: [PATCH v4 3/3] of: address: Always use dma_default_coherent for default coherency Date: Sat, 1 Apr 2023 10:15:31 +0100 Message-Id: <20230401091531.47412-4-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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230401_021547_552629_D34F3FC4 X-CRM114-Status: GOOD ( 10.22 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org As for now all arches have dma_default_coherent reflecting default DMA coherency for of devices, so there is no need to have a standalone config option. Signed-off-by: Jiaxun Yang Reviewed-by: Rob Herring Acked-by: Michael Ellerman (powerpc) --- v3: Squash setting ARCH_DMA_DEFAULT_COHERENT into this patch. --- arch/powerpc/Kconfig | 2 +- arch/riscv/Kconfig | 2 +- drivers/of/Kconfig | 4 ---- drivers/of/address.c | 2 +- 4 files changed, 3 insertions(+), 7 deletions(-) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 26725cdef2be..6777f6158bdd 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -113,6 +113,7 @@ config PPC # select ARCH_32BIT_OFF_T if PPC32 select ARCH_DISABLE_KASAN_INLINE if PPC_RADIX_MMU + select ARCH_DMA_DEFAULT_COHERENT if !NOT_COHERENT_CACHE select ARCH_ENABLE_MEMORY_HOTPLUG select ARCH_ENABLE_MEMORY_HOTREMOVE select ARCH_HAS_COPY_MC if PPC64 @@ -273,7 +274,6 @@ config PPC select NEED_PER_CPU_PAGE_FIRST_CHUNK if PPC64 select NEED_SG_DMA_LENGTH select OF - select OF_DMA_DEFAULT_COHERENT if !NOT_COHERENT_CACHE select OF_EARLY_FLATTREE select OLD_SIGACTION if PPC32 select OLD_SIGSUSPEND diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 3fb099bfa232..5a28e36b1ef1 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -12,6 +12,7 @@ config 32BIT config RISCV def_bool y + select ARCH_DMA_DEFAULT_COHERENT select ARCH_ENABLE_HUGEPAGE_MIGRATION if HUGETLB_PAGE && MIGRATION select ARCH_ENABLE_SPLIT_PMD_PTLOCK if PGTABLE_LEVELS > 2 select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE @@ -122,7 +123,6 @@ config RISCV select MODULES_USE_ELF_RELA if MODULES select MODULE_SECTIONS if MODULES select OF - select OF_DMA_DEFAULT_COHERENT select OF_EARLY_FLATTREE select OF_IRQ select PCI_DOMAINS_GENERIC if PCI diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig index 644386833a7b..e40f10bf2ba4 100644 --- a/drivers/of/Kconfig +++ b/drivers/of/Kconfig @@ -102,8 +102,4 @@ config OF_OVERLAY config OF_NUMA bool -config OF_DMA_DEFAULT_COHERENT - # arches should select this if DMA is coherent by default for OF devices - bool - endif # OF diff --git a/drivers/of/address.c b/drivers/of/address.c index 4c0b169ef9bf..23ade4919853 100644 --- a/drivers/of/address.c +++ b/drivers/of/address.c @@ -1103,7 +1103,7 @@ phys_addr_t __init of_dma_get_max_cpu_address(struct device_node *np) bool of_dma_is_coherent(struct device_node *np) { struct device_node *node; - bool is_coherent = IS_ENABLED(CONFIG_OF_DMA_DEFAULT_COHERENT); + bool is_coherent = dma_default_coherent; node = of_node_get(np);