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 D6840C61DA4 for ; Tue, 14 Feb 2023 17:58:45 +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-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ofmMJSktcfsalFku0ngY5rU1tRT3QHqc9Z92bNkweDM=; b=kj21KAe3cybLa5 ugRim0fcvsbEaeJDO5+B/6SrPorxea7IjOjfrqNYySSpOX7bj3sFLrjzoa90b1dNWwPn46WLWiBlu fHHctBkb3MixEwrO93J4xQlgC5ayfatLZQt1B2MM/v2pOujmkpbWm5PteGgDbfcx7icuzcOp3V/72 QCGKaBq7MSLlkielZCjCsSycREANVVRD/4buk1Gy/N8hjQMlOG9JRYZGKFsoZIU+R4U6yxR0wPqG5 c373leOAxSEUHVAFJGW7q21Q3EYN8wR6k1FXDUqdx0FY+De6hyutuwr2Jg6ew8K9B7T1pSPzBYzYO 0OyiDaWJ+DdzhnjMHspw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pRzZd-0034dc-CO; Tue, 14 Feb 2023 17:58:37 +0000 Received: from madras.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e5ab]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pRzZS-0034af-JR; Tue, 14 Feb 2023 17:58:28 +0000 Received: from [192.168.1.90] (unknown [86.120.32.152]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: cristicc) by madras.collabora.co.uk (Postfix) with ESMTPSA id 7A0E866020A4; Tue, 14 Feb 2023 17:58:20 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1676397501; bh=Y4hHrvH1B5sqY1by0xSyqs58y8vsVlrsUYCjBXVOzgQ=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=Rgmm1hRkkv36vX6S4kwZIjU9y/lgmTGeV1Ia4edMQzQc5k1JaZ8iGWswYiuLBwi9Q 2uK87DtWhOESGqcYttatohf6TdFHjHCqmroabZKzcKSZZjXHXeIVL7gpG0KEEUN0kp RtFBlMdQYBo434oxLBE1oz9KusXyFiOHVzBJXqc9lVWBYGJrsh28lgG6PdFHhbzej+ d8ILeq6tvjsKxNTqduLQD83xIa6iQQr/O3N3oobNAqdQJl9hrjQuSfCj2kDCnClnaH YRt2b1788WywrxWnTLmmsJ8ZIK+ImFPwx+8FUQwuNyvJMaM1FrR9iAB6rfnpusp7NT DFVnRoNAD2Mww== Message-ID: Date: Tue, 14 Feb 2023 19:58:17 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.7.2 Subject: Re: [PATCH 02/12] dt-bindings: riscv: sifive-ccache: Add 'uncached-offset' property To: Krzysztof Kozlowski , Lee Jones , Rob Herring , Krzysztof Kozlowski , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Emil Renner Berthing , Conor Dooley , Palmer Dabbelt , Paul Walmsley , Albert Ou , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , Maxime Coquelin , Richard Cochran , Sagar Kadam , Yanhong Wang Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-riscv@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, kernel@collabora.com References: <20230211031821.976408-1-cristian.ciocaltea@collabora.com> <20230211031821.976408-3-cristian.ciocaltea@collabora.com> Content-Language: en-US From: Cristian Ciocaltea In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230214_095826_821412_81C150E3 X-CRM114-Status: GOOD ( 10.07 ) 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: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On 2/13/23 11:23, Krzysztof Kozlowski wrote: > On 11/02/2023 04:18, Cristian Ciocaltea wrote: >> Add the 'uncached-offset' property to be used for specifying the >> uncached memory offset required for handling non-coherent DMA >> transactions. > > Only one offset can be non-coherent? If this is for DMA, why > dma-noncoherent cannot be used? As Conor already mentioned in [1], the handling of non-coherent DMA on RISC-V is currently being worked on, so I expect this patch will be dropped. [1] https://lore.kernel.org/lkml/Y+d36nz0xdfXmDI1@spud/ Thanks for reviewing, Cristian > > Best regards, > Krzysztof > _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv