From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F196EC79F99 for ; Mon, 7 Sep 2026 17:24:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=VPIix+7AnaBedj/9o6f9YRK+QLjnUUv24fnzZhVoMeY=; b=gSmmJhWjrfXllXreFW0fSrlEIA IyTuaI4xJZWFDsyp1TXtEN9JBSG0N0KoOyb8Rmhx2p1jwhkOwJRb5jjCYxKBQijykxNhJdg1chFKE EiX5MJd/Pe2HRtHICDnqzxebQjq98IJwk4AOJZKZXju+s1zliJ6RWJXq5mqMA/ylZMp0a2YGIsIps KQPgM+va8kpdncbcId/L0GmDgTy9HdOJeS4X/mCRjfRxFPOVZiUwKQMKI2O1RhDzoNeylUjxHonlV W4b5F18ymsRD6nSSItbdCtdWWdQTle9GiG7sVh0seMsOTVhxvRJeg9siEpzCN+MXnDXvgsDG6fZos hu+L8p7Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x3d4Z-00000007U26-2kMW; Mon, 07 Sep 2026 17:23:59 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x3d4X-00000007U1W-3MtC; Mon, 07 Sep 2026 17:23:57 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 741184184A; Mon, 7 Sep 2026 17:23:57 +0000 (UTC) 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 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 X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org 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