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 0F4F1442C; Fri, 16 May 2025 07:03:56 +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=1747379037; cv=none; b=OL/79/XXgKU+eCtynVEujYgxoLmOBo/Ar8G+5yp2jVnEKJfIY5zZTgft/xSR0lt7FoQ5giUUpXzTpE+HvLvYOJJzVn2S4uxHonheOeLUAWp8fFkcEyGU1xevlrQqZ0gvLZdpoTgAyS7GrbPUzw9NC9EnUxg03i62Fv1yGsoM7CA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747379037; c=relaxed/simple; bh=BSOuz0Sa7NnM27jLiJyPK8CIt/5UN80833LDwnsMzN8=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References: MIME-Version:Content-Type; b=epGPn9fylTnMgQqb/f/6n8v7cGtHIU34PDPXnSTZ6zNKiTeMh5boXzfWo75ELYm4/uKD1BTsCgqZgO/1YtaeusOEhuZH8t+1wjlpZSnVgdiDzG8d21vqGdDyprtNhsPqnhWeUpZYz15/BZxvPzsOgaMxIdYuKmnpP43yWUoJbAI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=N+Dv1/8Q; 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="N+Dv1/8Q" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 78D05C4CEE4; Fri, 16 May 2025 07:03:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1747379036; bh=BSOuz0Sa7NnM27jLiJyPK8CIt/5UN80833LDwnsMzN8=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=N+Dv1/8Q1cgZN/Y++AHMGsWADynJKYdRP8jW01IKZ6dz3QrY9iC6aNokjBOa8iC6l /04aAzMecEWdquyQtHN8u2sL6c6nEE+NW+lvWw+os9sPeu2YBFPG19TeXY0DXq3zYf tPybNfh1OU/VNQMN8WNoDRWuSxcILXxK1LZ7NfByw2LLLvtwe/GQBLNSsN0QVF8a2h oG6XQahOhUEGS56gl8iI6NLCSo6pRFMklCccjeFVnH0erxDkunfbf2z53rJkMT/y+u O7mL0V1vgYPqDw1Wzz3O+nFAARBvnhMpWqHR7DHpXhFaFln8VjPrH2F4n8Oz8tsSAU U5LT5sy3KXyEA== 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 4.95) (envelope-from ) id 1uFp6o-00FTKu-4X; Fri, 16 May 2025 08:03:54 +0100 Date: Fri, 16 May 2025 08:03:53 +0100 Message-ID: <86h61lf352.wl-maz@kernel.org> From: Marc Zyngier To: adrianhoyin.ng@altera.com Cc: dinguyen@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, tglx@linutronix.de, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/3] Add quirk to support address bus size limitation In-Reply-To: References: 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: linux-kernel@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: adrianhoyin.ng@altera.com, dinguyen@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, tglx@linutronix.de, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@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 Fri, 16 May 2025 05:13:31 +0100, adrianhoyin.ng@altera.com wrote: > > From: Adrian Ng Ho Yin > > This patch set adds support for the address bus size limitation by > allocating buffers with in a 32 bit address range. > > -Add device tree binding to enable a quirk to support a limited address > bus size. > -Update ITS node for Agilex5 with dma_32bit_quirk. > -Add implementation to configure gfp flags to allocate buffers within > 32 bit addressable range when quirk is set. No. Please join the pack of other totally broken integrations and reuse the *existing* infrastructure. You'll be in good company. M. -- Without deviation from the norm, progress is not possible.