From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 2B30C475350; Thu, 15 Oct 2026 20:10:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792095009; cv=none; b=M04xUKrPYJ8EUK+SAixn8UKqvROJ3nqBvDi1YbA0DW6utEhZPOu5gFT6sSMj6OGUhG/OIS++6WX8KvBFjVH+8gF0sgP0wIqK4jFxO8Mn65tM/guN4gWhyYLk+ee3krCZ0WSmAQ9mX/G0AM+u2qL+2kQv8LX4+AUg9uv7gbUyedk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792095009; c=relaxed/simple; bh=5+ITx/IV/BoxeXsLcjNXvtzt06iKyo8dX2YvX/hAwNU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=jR8AY+Bv1B6WuAHrAMrYxguwjKokalnwBaVq9r3ACpmHhiZMeQ0QI5XNOnS6/C6b8xf/JMz012uMZWObfEoclPj0pGHNhYEW6V7ER7XvVRisbqkum9Fpl4sEmrIFyoVPmGmm4qu6zRfn9OdmQQumPqAkQ/bxpt6P1YWZBw3jvos= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ZcaNxYGX; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ZcaNxYGX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 349D41F000C4; Thu, 15 Oct 2026 20:10:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792095007; bh=vGkzpNU4gEbEI0HBSrDSBMbVcu/OtmqB0nVCCkvCRSg=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=ZcaNxYGXNMGp5Yrju7JyTI4kvcvqFC4t+hvx5QEaD6PRkpeipBX8SBeRfajgWY/7v lXlooyOgiHXpgjqwREXb3WXmjLNroziatAm4oYrY1/4exZyN/48+uKSxbiaE0rR/Lm ENDS0EnqpqLWCyZSzXDJ8QvwBGyHkMMNQlCKIoV7VtsRHv1dW3QzrVIUUwyIua8mZL bxHEumb73EhE/PYOTL8HSmdSUVaXd8cRpwG19kfCJK4WIjK6xdEonXQ8qjCIHRvExS bEe+dCquaRNw34y6xMaICo5G9Bpe1XV/rOmYLseSlwPBtNPaw4pjhRaJOT2J2x+P2K 1JpPIlW4ZiarA== Date: Thu, 15 Oct 2026 15:10:05 -0500 From: "Rob Herring (Arm)" To: Koichiro Den Cc: Frank Li , Wilfred Mallawa , Magnus Damm , Serge Semin , Niklas Cassel , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Conor Dooley , Bjorn Helgaas , Marek Vasut , Jingoo Han , Manivannan Sadhasivam , Yoshihiro Shimoda , Lorenzo Pieralisi , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Krzysztof Kozlowski , linux-renesas-soc@vger.kernel.org, linux-pci@vger.kernel.org, Philipp Zabel , Geert Uytterhoeven Subject: Re: [PATCH v4 04/18] dt-bindings: PCI: rcar-gen4: Add optional "aer" interrupt for R-Car Gen4 SoCs Message-ID: <179209500464.2848447.6678039207382562663.robh@kernel.org> References: <20261015033103.3076869-1-den@valinux.co.jp> <20261015033103.3076869-5-den@valinux.co.jp> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261015033103.3076869-5-den@valinux.co.jp> On Thu, 15 Oct 2026 12:30:49 +0900, Koichiro Den wrote: > The intreq_pcim_lperr interrupt carries Root Port AER notifications, > separately from the integrated MSI receiver interrupt. Describe it with > the "aer" name so the controller driver can use it for Root Port error > reporting. > > Keep the fifth interrupt optional on R-Car Gen4 SoCs so existing device > trees remain valid. Extend the example accordingly. > > Signed-off-by: Koichiro Den > --- > Changes since v3: > - Rebase on Marek's Gen5 AER binding fix: > https://lore.kernel.org/r/20261003215710.792518-1-marek.vasut+renesas@mailbox.org/ > This requires "aer" for the Gen5 SoC PCIe4 controller from the > beginning. Update the subject to clarify that it is optional only > on Gen4 SoCs, for compatibility with existing DTs. > - Drop R-b tags due to the changes. > > v3: https://lore.kernel.org/r/20261006084638.3821710-5-den@valinux.co.jp/ > > .../devicetree/bindings/pci/rcar-gen4-pci-host.yaml | 13 ++++++++++--- > 1 file changed, 10 insertions(+), 3 deletions(-) > Reviewed-by: Rob Herring (Arm)