From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 221F7606A31B for ; Mon, 26 Oct 2026 08:13:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=wMzg9l7r; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=Yg/cljWl DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; bh=X2H4QnyiBP1iPdtWwbpaQFD/CMUA6gFsOOMxlY9gaFc=; b=wMzg9l7r7Xxv7hNDhR0kBWH1BZ cwK6g+68qnj2pvQv8YzR6grCiemOJRDLKZ2F7V5DQG0SGGHGz6g7xgkcMDpAGudsoSMUQZJqC5a32 bdaufS/V+h9D6HE+XJ5uHE29EsA7Seo4ed2Moq4RfUdPJ90yckQAJ+JcW75ywe4dYChrO7sRsYZfF o99X+hycUziF2QZ+sAVE+B5M4rEZO3ou6fp47XbsqwyP4nuLVT2DjxAkyCP44V3kq6ptqeAfQyQ9S rG6ktOkDbsp8UEUkj9PlnBfCYBau5eEX586acNFfDQLLl4yhAcJIxIytlkoo0tRz1ZJ5jNuFw+3Na DJRk72MQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xLFq4-00000001vrB-0qDc; Mon, 26 Oct 2026 08:13:52 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xLFq2-00000001vr3-1nlA for linux-arm-kernel@lists.infradead.org; Mon, 26 Oct 2026 08:13:50 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 8B670601F9; Mon, 26 Oct 2026 08:13:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8FFEC1F01825; Mon, 26 Oct 2026 08:13:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793002429; bh=X2H4QnyiBP1iPdtWwbpaQFD/CMUA6gFsOOMxlY9gaFc=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=Yg/cljWlruKlO3PAR0wRkUDPKKBqJuUbWyvawAnpUlGrJdhNZOMymt1uk+twrU/R6 RLqOCLTN9VQtKJGzrz/GS8pcFzg3QljZuUADyW6ZMOpN8MCfDNtzkDsRTu+Q5Owc6i xQCsAmhMbJ3UOUIl9S3BcdWooIj2bigZ+DWY+DzKaVvfIXsNYRTsdxrvwSZvFVzRyY 0volyFR3npJKtv+ESJOiY15LJ81XxNJoxpkvsM0JmFJIN73EBoyv4GjZS01Rd7d7TD LMqnQHbrn/Z8wGfGbHb5BiWOI0IrEPp3W5Krl0Q7WZPguqH9J32wJ9MYQ/5LZqq6HA xiDSIaa16EdJg== Date: Mon, 26 Oct 2026 09:13:45 +0100 From: Krzysztof Kozlowski To: Jelly Jia Cc: vkoul@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, robin.murphy@arm.com, sboyd@kernel.org, bmasney+clk@redhat.com, jbrunet+clk@baylibre.com, devicetree@vger.kernel.org, Frank.Li@kernel.org, cix-kernel-upstream@cixtech.com, dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, joakim.zhang@cixtech.com Subject: Re: [PATCH v1 3/5] dt-bindings: dma: arm,dma-350: Document dma-channel-mask Message-ID: <20261026-reasonable-durable-marmot-5f33e5@quoll> References: <20261023093045.3248630-1-Jelly.Jia@cixtech.com> <20261023093045.3248630-4-Jelly.Jia@cixtech.com> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20261023093045.3248630-4-Jelly.Jia@cixtech.com> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-16.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Fri, Oct 23, 2026 at 05:30:43PM +0800, Jelly Jia wrote: > Some DMA-350 integrations reserve channels for firmware or another > processor. Allow the standard dma-channel-mask property so firmware can > describe which channels Linux may use. > > DMA-350 implements at most eight channels, so one 32-bit cell is enough; > limit the property to a single cell. > > Signed-off-by: Jelly Jia > --- > Documentation/devicetree/bindings/dma/arm,dma-350.yaml | 3 +++ > 1 file changed, 3 insertions(+) Reviewed-by: Krzysztof Kozlowski Best regards, Krzysztof