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 C2B0E503BC5; Mon, 7 Sep 2026 17:23:57 +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=1788801838; cv=none; b=oRZwS/FmacGc5XCergDMmzaPs2aWdP0AGqsfprNdK2/kLozA35OX5cizTKfnwuwyagu/Rx3D0XBMI9ACX/TYLJOz5edTnv/1Rk2bMVT8hXPVk4GKHiFxNq9bSlTJhQzulKZDyAsvOiWn4So3oxb58togKRVTe35ho37Nx8Eah0w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788801838; c=relaxed/simple; bh=VPIix+7AnaBedj/9o6f9YRK+QLjnUUv24fnzZhVoMeY=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=G/IZvc4rzwuKSADFrluak+vUJeVyH3bE64c6notNs9OWKq2XCEwhzn6RWWU5JhFtS4fi2uAmjS1TeN2QeZ7qQzpn2h3N2HpLWE/S9vCf8LaQGxraCDdsB/bg2mtKDFSTaSIxAXaGOraOdG2/1TZYQOVjef38dIbUdKonb3lcwL4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=AJvMuifV; 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="AJvMuifV" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 674201F00A3A; Mon, 7 Sep 2026 17:23:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788801837; bh=VPIix+7AnaBedj/9o6f9YRK+QLjnUUv24fnzZhVoMeY=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=AJvMuifV/ySOJl35bWcRxUaZJ5UPFD8LTnXwHqNkE8397RX+9FesEOyfk1YcJrz4n Fx0Mf1BatExxqtDFrIOyrWYHXW/WwZ717n8XtUOb34tx+X4dmXGgs6SEeWBOrza71H +WZw7XZzG7fNsl4AKsXW/wpO5I8KEq4gYw128qr3oePlvnPPyorqklx7Hdtq08lMTf oRnPazAmw1GUUeueqLoAaRWgE2amzDnP1tvVP+Q/cY0Q8bvjmINIJjyRriqt9ZjFGD cBLUpT8P0xIIH/7xVZbKOhf6MMzN34Sx/xMf1akGFfOHRsiPdug63huToARwjGSyJO yLxHrpLGPm2YA== Message-ID: <4c10971a-6165-49e6-b97f-978bbe6e1cb3@kernel.org> Date: Mon, 7 Sep 2026 19:23:52 +0200 Precedence: bulk X-Mailing-List: asahi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/2] nvme: apple: add t8132 (M4) ANS2 NVMe support To: Yureka Lilian , Janne Grunau , Neal Gompa , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Keith Busch , Jens Axboe , Christoph Hellwig , Sagi Grimberg Cc: asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org References: <20260906-apple-nvme-t8132-v2-0-ac0328590823@cyberchaos.dev> <20260906-apple-nvme-t8132-v2-2-ac0328590823@cyberchaos.dev> Content-Language: en-US From: Sven Peter In-Reply-To: <20260906-apple-nvme-t8132-v2-2-ac0328590823@cyberchaos.dev> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 9/6/26 22:15, Yureka Lilian wrote: > Add support for ANS2 NVMe on the Apple t8132 (M4) SoC. > > This variant requires the IO queues to be registered using additional > MMIO writes. The qsize of the create_{cq,sq} command is now ignored, and > instead a write to mmio_nvme+0x1210 (which was previously known as > APPLE_ANS_MAX_PEND_CMDS_CTRL) sets the IO queue sizes. > > Signed-off-by: Yureka Lilian > --- Reviewed-by: Sven Peter Best, Sven