From patchwork Fri May 16 09:59:39 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Conor Dooley X-Patchwork-Id: 2086667 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=VSx8XvD4; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2604:1380:45d1:ec00::1; helo=ny.mirrors.kernel.org; envelope-from=devicetree+bounces-177913-incoming-dt=patchwork.ozlabs.org@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org [IPv6:2604:1380:45d1:ec00::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4ZzMyM2T9Tz1yZC for ; Fri, 16 May 2025 20:00:11 +1000 (AEST) Received: from smtp.subspace.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 73C4E16B214 for ; Fri, 16 May 2025 10:00:26 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 0E9F7231A41; Fri, 16 May 2025 10:00:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="VSx8XvD4" X-Original-To: devicetree@vger.kernel.org Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AE8722AE8D; Fri, 16 May 2025 10:00:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747389619; cv=none; b=UeA5yxuuuvM5DPwdT9Kx/Z/rQoP/p1tUA/sgP3z9SvZFlkDJbx/T+A2uc8XJqOuhZj+6oYjbAHz4000ligjByXOOsZoEtJAUski/nmH0axbjoDIBFeqIdYhgRNJZ6Dh2oa/wGC3OGfz1egMWCDZvDS2jNPBPfhXuDBvHE7tLgMI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747389619; c=relaxed/simple; bh=5gBmY6Zk+Ryoef5Q5jQQugVJJObL7Jg/Otn27Xfx+H8=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=NQV3oTW2inuxWcwnoP1aWgM7l2UBgUyRjKfzTUgWacwGNibQFi4my2aoeFEmTown/2gGrUw4tj64Va5PpEDubGW1imk1yQOj/cH95354EPAznUGnGllRxpYE6bCif7yeKcRDBrZGRaEpCY1vwkV9Vr9ADUrr8T3V6BLPS+VzT1s= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VSx8XvD4; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id CBF03C4CEE4; Fri, 16 May 2025 10:00:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1747389619; bh=5gBmY6Zk+Ryoef5Q5jQQugVJJObL7Jg/Otn27Xfx+H8=; h=From:To:Cc:Subject:Date:From; b=VSx8XvD4L3DRtchGh9gq++02KQtnShOLeYGZ7ch9CAbebcnQtg7Jk8J9jHU41wEVp wMpRPxUCauKCBiVgz7BD9HVQhZupWTqXR3dEvwPQaGXK3H3XL5ZJ5Cf5GRq065j4M4 /JYU7bV+k/s5oGYr73DRfrrq6wPPSTCGkHFwANEgQ6jszgKZbaMpYnV6UB60gpOVWt nIqvnKCGwQW6Kj2WgY7YB0aRwX8kcZfEE6UP3nRh1t0QDGVSRVFLwoLlE+kMm/PuSV RIaeJL3q83gvYF77uQV9u1yQ4X+5WS/2hMIxeUmjXWgs/ljpoPtexsKnnbgCEcDyj2 6LvbSjYmsUu9g== From: Conor Dooley To: linux-pci@vger.kernel.org Cc: conor@kernel.org, Conor Dooley , Daire McNamara , Bjorn Helgaas , Lorenzo Pieralisi , Manivannan Sadhasivam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1] dt-bindings: PCI: microchip,pcie-host: fix dma coherency property Date: Fri, 16 May 2025 10:59:39 +0100 Message-ID: <20250516-datebook-senator-ff7a1c30cbd5@spud> X-Mailer: git-send-email 2.45.2 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1569; i=conor.dooley@microchip.com; h=from:subject:message-id; bh=kx7hE+1jGLWfA9X6Bwyb2haBWtsA8+rtUy5OmaCwQdc=; b=owGbwMvMwCFWscWwfUFT0iXG02pJDBnqPN0/mbbyiVTk71zjNSupn+nhry1TFJJP7L48+fCrs xnbD1XkdZSyMIhxMMiKKbIk3u5rkVr/x2WHc89bmDmsTCBDGLg4BWAiZ2IY/hm+nJUe9Gld8wLf 7CnWB6b/vbbZyba/dNqUW8yepffZxMoZ/ofZF6yoTZrN8VlGquy85/MuPq0Fsa5dXTYtvUG7HY7 l8gIA X-Developer-Key: i=conor.dooley@microchip.com; a=openpgp; fpr=F9ECA03CF54F12CD01F1655722E2C55B37CF380C From: Conor Dooley PolarFire SoC may be configured in a way that requires non-coherent DMA handling. On RISC-V, buses are coherent by default & the dma-noncoherent property is required to denote buses or devices that are non-coherent. For some reason, instead of adding dma-noncoherent to the binding the pointless, NOP, property dma-coherent was. Swap dma-coherent for dma-noncoherent. Fixes: 04aa999eb96fd ("dt-bindings: PCI: microchip,pcie-host: Allow dma-noncoherent") Signed-off-by: Conor Dooley --- CC: Daire McNamara CC: Bjorn Helgaas CC: Lorenzo Pieralisi CC: Manivannan Sadhasivam CC: Rob Herring CC: Krzysztof Kozlowski CC: Conor Dooley CC: linux-pci@vger.kernel.org CC: devicetree@vger.kernel.org CC: linux-kernel@vger.kernel.org --- Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml b/Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml index 103574d18dbc2..56397df2a6eec 100644 --- a/Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml +++ b/Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml @@ -50,7 +50,7 @@ properties: items: pattern: '^fic[0-3]$' - dma-coherent: true + dma-noncoherent: true ranges: minItems: 1