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 A3DB8C369AB for ; Fri, 18 Apr 2025 16:36:14 +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:In-Reply-To:Content-Type: MIME-Version:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:References: List-Owner; bh=mwD13u2Ox/2Kj6Ld0IpcXFeQGngNBtN+7DZfyvKxAS8=; b=QHSeZqD9EZtUPK JN5o9u9xsuV/76qtQ3wsPRhxpm7DC/qoLDMQuInZq/Coc+PljTJ/mRp3u7DAAf006qi9mNQ9hAGCG ERnxdvCv4bQAyHg5s0+lYxqeih82tsksSh/CgXmORqa3XT/Ya8z6bosLjPAQmO5VIrEZHxp7LYQSP hCOcbJlCV1Hr3VFpU2IEDjeEYDkWS+K0NsaTo2AK6+V0SmKsnZWQdU5aJWFF8n1zg4LkEc4TFPgU8 CYeY1iFRsKjmepUL+uUPUmliY3remKd6CQU1qwvpbgmNnMi72wXBkoEiwCbMwt6RD1Z2bc2Tkzgd0 33JI4JaAMpj/Wt3m7zbw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1u5ohA-0000000Gy4n-15QW; Fri, 18 Apr 2025 16:36:04 +0000 Received: from nyc.source.kernel.org ([2604:1380:45d1:ec00::3]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1u5ofE-0000000GxiE-2Q5g for linux-arm-kernel@lists.infradead.org; Fri, 18 Apr 2025 16:34:05 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id 6D6AFA4B511; Fri, 18 Apr 2025 16:28:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 21E0BC4CEE2; Fri, 18 Apr 2025 16:34:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1744994043; bh=ed3FOAzpZAREOk5SHpU5+5vpIY0q3AAD2Ue6wKBsD4w=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=ui/c38NbH9ruZHxr8vvOvTLlkpoR0fAjRPRj/AoBYuFSyPo6Bdg4oK2pwjR9+lDbV 97EHazWSbHuoTN7bNvnbWYCV2MiXK4ccaJ11/MLxaAnYjCg3AqZCxjduTZzZoG+Z3m wrH0kqYAkGSn0p4oIT+ICPA6wHS+iQ4gJ1EdSgjpmLC+Sx6L8fLJ7B1EJmj8bfwSwZ L5VJcVcEZQ88MjuWWjeMpLoZ+7uciEZPY/a8W97aDd8Sq8k7/5afqK0f06OVrtvVyq bOJvNJw6ZerlcwDQufJKpCEiA6PpXmEBOa9JjbI9zH+NxjhelDieZrRhDoBgF/9eks PJdzC2yUBwupg== Date: Fri, 18 Apr 2025 11:34:01 -0500 From: Bjorn Helgaas To: Nishanth Menon Cc: huaqian.li@siemens.com, m.szyprowski@samsung.com, robin.murphy@arm.com, baocheng.su@siemens.com, bhelgaas@google.com, conor+dt@kernel.org, devicetree@vger.kernel.org, diogo.ivo@siemens.com, jan.kiszka@siemens.com, kristo@kernel.org, krzk+dt@kernel.org, kw@linux.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, lpieralisi@kernel.org, robh@kernel.org, s-vadapalli@ti.com, ssantosh@kernel.org, vigneshr@ti.com, iommu@lists.linux.dev Subject: Re: [PATCH v7 0/8] soc: ti: Add and use PVU on K3-AM65 for DMA isolation Message-ID: <20250418163401.GA159541@bhelgaas> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250418134324.ewsfnze2btnx2r2w@country> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250418_093404_679402_20D1CC3F X-CRM114-Status: GOOD ( 13.71 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Apr 18, 2025 at 08:43:24AM -0500, Nishanth Menon wrote: > On 15:30-20250418, huaqian.li@siemens.com wrote: > > > > Jan Kiszka (7): > > dt-bindings: soc: ti: Add AM65 peripheral virtualization unit > > dt-bindings: PCI: ti,am65: Extend for use with PVU > > soc: ti: Add IOMMU-like PVU driver > > PCI: keystone: Add support for PVU-based DMA isolation on AM654 > > arm64: dts: ti: k3-am65-main: Add PVU nodes > > arm64: dts: ti: k3-am65-main: Add VMAP registers to PCI root complexes > > arm64: dts: ti: iot2050: Add overlay for DMA isolation for devices > > behind PCI RC > > > > Li Hua Qian (1): > > swiotlb: Make IO_TLB_SEGSIZE configurable > > I see at least 3 or 4 maintainers needing to co-ordinate, gets > complicated as I am not sure which maintainer needs to pick up what > patches in what dependency order. This looks like a mixed bag. Can > we split this patch into independent series for each maintainer with > clear indication of dependencies that is spread around a couple of > kernel windows (maybe dts comes in last?) The keystone patch ("[4/8] PCI: keystone: Add support for PVU-based DMA isolation on AM654") depends on interfaces added by "[3/8] soc: ti: Add IOMMU-like PVU driver", so I can't really take 4/8 by itself. But I've acked 4/8, so it can be merged along with the rest of the series. I assumed the easiest would be via the drivers/soc/ti/ maintainer, i.e., you, Nisanth :) Let me know if I can do anything. Bjorn