From mboxrd@z Thu Jan 1 00:00:00 1970 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 939A7E9D83B for ; Mon, 6 Apr 2026 05:49:54 +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:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=hfM8AtGVtFYZQaYyfwuikQXQBHwy6I2eu/YKt6IhgDA=; b=iV3W8K1/pN/3Or 85Go+Yjf+xfyUB0tHwkR5TNqrZBp4bIsB9fcEZS+3tCgchCm2dt0J7HpnYcuNf6nPoAW3xVGBBpmm mAW9+CYzFPZ+d4npBO0f2fPyG7y8g2qCtL835AtLyHopYy5BV96F0FM9NoYgaS8PNnxheHBTzRS6R wAGoyrKUAo0tD0+KF3fMkjS1wU+yMX/KfjBNElVkjD6SLdCSLIm5VN79CqzRArEpsQdk2opHhftwI x7cC0Udq/2paHZcgsKLLB48/lujgodO1RFmGQ42tvU54RxaFj6kMq+rfRzn4RWOyNxFVM6suoCjQt Ep8Tvh6LfbHDsRwz8OFQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w9cqP-00000004p98-3kgu; Mon, 06 Apr 2026 05:49:54 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w9cqM-00000004p8S-348I; Mon, 06 Apr 2026 05:49:51 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 3F9B540DF5; Mon, 6 Apr 2026 05:49:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 63BD2C4CEF7; Mon, 6 Apr 2026 05:49:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775454589; bh=4thoVWcMmw4MkYMp3l5E6+QpX/OSrE+K9Cc8bqDe0Ss=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=bgXI890rX05ktv9oPv33HQAY90wguIlq0zeVRBIbmeDKXLA/c1mE1e5ydxu7hcduI kTZ9nO2+CkEVZjIDQGxe5bkfu2tmthXMLqKff1bqGFPaj+08+iHC08xjxc92g1DPEE KwVzjDTLqo2zhZDXkIrcuY5ezh3/H92TsCyGn+R1UdZRVT4pOQwueRJNE+JlSFvysL s3ofTuZZGE6Y2soiw9bIkJ/yTIdEF/ZL9+ftN7CICVlDH8rbwnbFFIAgWY4IyHBOsS w2C3bcHMNGEXDzAizYg/NRL6FHwycOJuhBHTezD2YnqnSWkNgtd7JsDL5QtQx8LstU +278O8yuLefAQ== Date: Mon, 6 Apr 2026 11:19:45 +0530 From: Vinod Koul To: Douglas Anderson Cc: Greg Kroah-Hartman , "Rafael J . Wysocki" , Danilo Krummrich , Alan Stern , Saravana Kannan , Christoph Hellwig , Eric Dumazet , Johan Hovold , Leon Romanovsky , Alexander Lobakin , Alexey Kardashevskiy , Robin Murphy , Frank.Li@kernel.org, alex@ghiti.fr, andre.przywara@arm.com, andrew@lunn.ch, aou@eecs.berkeley.edu, catalin.marinas@arm.com, dmaengine@vger.kernel.org, driver-core@lists.linux.dev, gregory.clement@bootlin.com, iommu@lists.linux.dev, jgg@ziepe.ca, kees@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, linux-riscv@lists.infradead.org, linux-snps-arc@lists.infradead.org, linux@armlinux.org.uk, m.szyprowski@samsung.com, palmer@dabbelt.com, peter.ujfalusi@gmail.com, pjw@kernel.org, sebastian.hesselbarth@gmail.com, tsbogend@alpha.franken.de, vgupta@kernel.org, will@kernel.org, willy@infradead.org Subject: Re: [PATCH v4 7/9] driver core: Replace dev->dma_coherent with dev_dma_coherent() Message-ID: References: <20260404000644.522677-1-dianders@chromium.org> <20260403170432.v4.7.If839f6dde98979fce177f70c6c74689a1904ee76@changeid> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20260403170432.v4.7.If839f6dde98979fce177f70c6c74689a1904ee76@changeid> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260405_224950_811508_246660B1 X-CRM114-Status: UNSURE ( 5.81 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org On 03-04-26, 17:05, Douglas Anderson wrote: > In C, bitfields are not necessarily safe to modify from multiple > threads without locking. Switch "dma_coherent" over to the "flags" > field so modifications are safe. Acked-by: Vinod Koul -- ~Vinod _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc