From mboxrd@z Thu Jan 1 00:00:00 1970 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 AF0FE18785D; Fri, 15 Nov 2024 09:20:44 +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=1731662444; cv=none; b=vD+xcG+62ttHorgGzOzo9Qkq5VPTwKdY3zRdmBvOSVDN3ziC3+EUiv1tjEdQhGpUDCIFLPjIF8Qcw/BrR54kQH5GsFTqVngiI9+xmJSUF0KWDDCDyroCmccyAz9xFFXz/gdRAs3skJjH3tdQWwNPBev3xdrP/3SVpSCPTQL5Ul0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731662444; c=relaxed/simple; bh=IB0RG2WLffWzG23kPUVXGFSIfgQypIwTKY9WhcpAMdk=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=aGeNT4du0Lc1AClfxr8B0uRP80sghLz711v+caNM6qsExWnBk0164DVP2vbPkiqvhDXAoti4sHbgVXJJdywWzhHma6H2nQxUa/vEizeEhwOdeXJor4q8vV1cphHZLdTuk5qJ5Su8Jm/hD5eNka/6aZnIP2OKn+1wj3HMbOE8f20= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=fVNKgkYd; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="fVNKgkYd" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 39FF4C4CECF; Fri, 15 Nov 2024 09:20:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1731662444; bh=IB0RG2WLffWzG23kPUVXGFSIfgQypIwTKY9WhcpAMdk=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=fVNKgkYd3irQbq5r0MZm7+PCwh+Q/Wl+2cFDo3OcyQq8FoksCOaMDmUT6OLnwBVF8 lKIy0aI0nggmosp1spTG0PvRgvG/7sUvPs5xFaEqxT/SVlISzXeVEiV+lVSNvN/lJ3 WBirdilHkVi8yqsP+t3z/KUU4aiBToBwmbFhAyMdMwCJEx/M4ueEvdtqc9LhvOaLpp cN2j7zgUVAE1VtNN8sXFA26rgisP15uWoqDgM88vJbPDqxGWsyctbobCKnm8fd1PRx snumFwiyZPsd8HOaN2LGWvXNOEkmlgB6GIbTdAWFNg5k7yk/fgmI4+Q1VkaOJu3Twj 3kzqeXZMaF6ew== Message-ID: Date: Fri, 15 Nov 2024 11:20:39 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] ARM: dts: dra7: Add bus_dma_limit for l4 cfg bus To: Romain Naour , tony@atomide.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: linux-omap@vger.kernel.org, devicetree@vger.kernel.org, stable@kernel.org, Romain Naour References: <20241114155759.1155567-1-romain.naour@smile.fr> Content-Language: en-US From: Roger Quadros In-Reply-To: <20241114155759.1155567-1-romain.naour@smile.fr> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 14/11/2024 17:57, Romain Naour wrote: > From: Romain Naour > > A bus_dma_limit was added for l3 bus by commit cfb5d65f2595 > ("ARM: dts: dra7: Add bus_dma_limit for L3 bus") to fix an issue > observed only with SATA on DRA7-EVM with 4GB RAM and CONFIG_ARM_LPAE > enabled. > > Since kernel 5.13, the SATA issue can be reproduced again following > the SATA node move from L3 bus to L4_cfg in commit 8af15365a368 > ("ARM: dts: Configure interconnect target module for dra7 sata"). > > Fix it by adding an empty dma-ranges property to l4_cfg and > segment@100000 nodes (parent device tree node of SATA controller) to > inherit the 2GB dma ranges limit from l3 bus node. > > Note: A similar fix was applied for PCIe controller by commit > 90d4d3f4ea45 ("ARM: dts: dra7: Fix bus_dma_limit for PCIe"). > > Fixes: 8af15365a368 ("ARM: dts: Configure interconnect target module for dra7 sata"). > Link: https://lore.kernel.org/linux-omap/c583e1bb-f56b-4489-8012-ce742e85f233@smile.fr/ Please add the stable tag here Cc: # 5.13 > Signed-off-by: Romain Naour > --- -- cheers, -roger