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 020431FF1DA; Sun, 21 Jun 2026 16:59:26 +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=1782061168; cv=none; b=e0UHRPPBpbqQ4cjVuuy9NTkiL7LPeXi4PTKHPeAVAuWEOXAxe4fybCsNmC/nZm3vsfYUhFv/qXoO72yqnJhLWacFH5zK6AHorTEVCFrtY3I1KQBfhsnBDatHp+gokSPBGTJKP67rLTYUBOkxgZ+w7SoYNGyauH4hsR/86nU/IYo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782061168; c=relaxed/simple; bh=2Dkj6xJ3zKUpRS5/l6EwbTeGw+cedsUfbRRH23BFbFo=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References: MIME-Version:Content-Type; b=W9C49YQN3G72Rclyb2WZRJU5Mf3HjXHdAW5F/oSLyrAx01gxGcD1JSiNRJAupaD3fqX2UoWBrRwNhPWc7Pr+nZBc6Ef3x/QLhu1HBQRDzyCvubrunW2tNJ3N1D7IoBbnoGg0dsYy1P1IT9GLn3u6ZoYj4MIJwOcl+pNW6f6/biQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DDc2XvPm; 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="DDc2XvPm" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 864D91F000E9; Sun, 21 Jun 2026 16:59:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782061166; bh=626Pu+3MWCl6GFK1K+rzSFPcpCcWzeny/X+/kz7vSpQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=DDc2XvPmtDQ78cpXHp1Z6mVjoSBTaPWJsYxTEQXZWc85iHEImIMtvkmXIQKnOr4nB 5KHLtbYoqVV8nl+jUB7bW1CPI820m9xeXMPOYMXEpGjQpsIi/NVaMG1d/Vqth23kqz Af34NOc+7WjDgZDF/dLzKMdS2Fk6SXtHVAgB5lDJ1oGkwIBdqzxEfU0DNsMe9sn86t pqyr9YF88w5BS68RmrKxHIjPnT9DZ5fl770dB6lV7ju7WPGatXZr4dOUM9SWBYnviD gBsIOBLbgXcG80Up8WPPC1B/jirPoQG77yzu79b4JCVpLBORzOMGZxtH9nA1dZaBor c5dv/J/tHM8yQ== Received: from sofa.misterjones.org ([185.219.108.64] helo=goblin-girl.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1wbLW0-0000000EhrH-1Gue; Sun, 21 Jun 2026 16:59:24 +0000 Date: Sun, 21 Jun 2026 17:59:23 +0100 Message-ID: <865x3bsuc4.wl-maz@kernel.org> From: Marc Zyngier To: Marek Vasut Cc: linux-pci@vger.kernel.org, Krzysztof =?UTF-8?B?V2lsY3p5xYRza2k=?= , Bjorn Helgaas , Catalin Marinas , Conor Dooley , Geert Uytterhoeven , Krzysztof Kozlowski , Lorenzo Pieralisi , Manivannan Sadhasivam , Rob Herring , Yoshihiro Shimoda , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org Subject: Re: [PATCH v2 2/4] irqchip/gic-v3: Refactor GIC600 limited to 32bit PA erratum handling In-Reply-To: <20260618220427.14325-3-marek.vasut+renesas@mailbox.org> References: <20260618220427.14325-1-marek.vasut+renesas@mailbox.org> <20260618220427.14325-3-marek.vasut+renesas@mailbox.org> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/30.1 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: marek.vasut+renesas@mailbox.org, linux-pci@vger.kernel.org, kwilczynski@kernel.org, bhelgaas@google.com, catalin.marinas@arm.com, conor+dt@kernel.org, geert+renesas@glider.be, krzk+dt@kernel.org, lpieralisi@kernel.org, mani@kernel.org, robh@kernel.org, yoshihiro.shimoda.uh@renesas.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false On Thu, 18 Jun 2026 23:02:00 +0100, Marek Vasut wrote: > > The GIC600 implementation is now known to be used on multiple 64-bit > SoCs, where it has address width for AXI or APB interface configured > to 32 bit, and it can access only the first 4GiB of physical address > space. > > Rework the handling of the quirk to work around this limitation such > that new entries can be added purely as new compatible strings, with > no need to add additional functions or new its_quirk array entries. > > Suggested-by: Marc Zyngier > Signed-off-by: Marek Vasut Acked-by: Marc Zyngier M. -- Without deviation from the norm, progress is not possible.