From patchwork Sat Mar 15 20:15:35 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Helgaas X-Patchwork-Id: 14018236 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 91E8FC28B28 for ; Sat, 15 Mar 2025 20:18:36 +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:MIME-Version:Message-Id:Date:Subject:Cc:To:From:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=hnTxTt9bxab/YmHebqr5xJsTlFtBmEyYRmxXsph8Yaw=; b=fnPHfuTYAPaSqd29cWYJpHK5Ti fhYU33nbT5qtyxk8Ck5VpEfVEujOfxpG49SAlWGX1kUqhDOXsZ9sQWSVrTQToIgzgCxWL5mxV5Pv1 kwG34Ux649Hdsn3ju1C0nFpjtDW/MOHHAV+2pER1iEufyPnOQ2pN1K9PWmYa/n8YbfvQrlfraLx/A L0DNsez5zP1mep9H2GE00U5BipJoFKhOu1v6JebkB5wIhqXAdDra+lbwhvc1OA6mumjrkyvlFcbnI 2BYTq20xAEMvqTt8Vku0bDFFG+vWx+0lkRcBqaHeQBuIUDHveueZwLJtYAeJTnt0UrHLaZ7scSNDO MmI184Jw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1ttXxh-0000000Go5l-08zP; Sat, 15 Mar 2025 20:18:25 +0000 Received: from nyc.source.kernel.org ([2604:1380:45d1:ec00::3]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1ttXvJ-0000000GnRE-27hl for linux-arm-kernel@lists.infradead.org; Sat, 15 Mar 2025 20:15:58 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id DA3F5A48B7C; Sat, 15 Mar 2025 20:10:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AF6D7C4CEE5; Sat, 15 Mar 2025 20:15:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1742069755; bh=XEoOzG46XXSFCigErs0BgukJPEtc5flcUfkUJgOgzIc=; h=From:To:Cc:Subject:Date:From; b=S9skukOwLYXwPWenoQ6yvLO7gET2V/b7mOX1ISf1RLNNW/Ym5CZ711TUYjp4DlpnA ssV40YFRIJs4wYy+hhVzK7bEmm8GG9NLXEYSSTUWn+wLgTN6rIFPVIugDZhAA6qZPX 0nrODQlFO0hMfnqP8Og7F7TVXsWCw417DXBsYv6niXAmU4EdTZIDCiZ5BX3gShNz6Y I1h3Syv/c4p1o5zLAMABoQvznM6i25Ec4JFXEG25mwHig2uP4IgPVfEjU2GgIYXZm9 ADL619FMCnMX+swWKpoVHA2jbjEz2DwqdVUWlfXjWyBn9dONEVuOOX8mx0t8h6ek8O N3jmR2OBoMWUQ== From: Bjorn Helgaas To: Frank Li Cc: Rob Herring , Saravana Kannan , Jingoo Han , Manivannan Sadhasivam , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy=C5=84?= =?utf-8?q?ski?= , Richard Zhu , Lucas Stach , Shawn Guo , Sascha Hauer , Fabio Estevam , Niklas Cassel , Pengutronix Kernel Team , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, Bjorn Helgaas Subject: [PATCH v12 00/13] PCI: Use device bus range info to cleanup RC Host/EP pci_fixup_addr() Date: Sat, 15 Mar 2025 15:15:35 -0500 Message-Id: <20250315201548.858189-1-helgaas@kernel.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250315_131557_678171_52AABEEF X-CRM114-Status: UNSURE ( 8.25 ) X-CRM114-Notice: Please train this message. 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 From: Bjorn Helgaas This is a v12 based on Frank's v11 series. v11 https://lore.kernel.org/r/20250313-pci_fixup_addr-v11-0-01d2313502ab@nxp.com Changes from v11: - Call devm_pci_alloc_host_bridge() early in dw_pcie_host_init(), before any devicetree-related code - Call devm_pci_epc_create() early in dw_pcie_ep_init(), before any devicetree-related code - Consolidate devicetree-related code in dw_pcie_host_get_resources() and dw_pcie_ep_get_resources() - Integrate dw_pcie_cfg0_setup() into dw_pcie_host_get_resources() - Convert dw_pcie_init_parent_bus_offset() to dw_pcie_parent_bus_offset() which returns the offset rather than setting it internally - Split the debug comparison of devicetree info with .cpu_addr_fixup() to separate patch so we can easily revert it later - Drop "cpu_addr_fixup() usage detected" warning since we always warn about something in that case anyway Any comments welcome. Bjorn Helgaas (3): PCI: dwc: Consolidate devicetree handling in dw_pcie_host_get_resources() PCI: dwc: ep: Call epc_create() early in dw_pcie_ep_init() PCI: dwc: ep: Consolidate devicetree handling in dw_pcie_ep_get_resources() Frank Li (10): PCI: dwc: Use resource start as iomap() input in dw_pcie_pme_turn_off() PCI: dwc: Rename cpu_addr to parent_bus_addr for ATU configuration PCI: dwc: Call devm_pci_alloc_host_bridge() early in dw_pcie_host_init() PCI: dwc: Add dw_pcie_parent_bus_offset() PCI: dwc: Add dw_pcie_parent_bus_offset() checking and debug PCI: dwc: Use devicetree 'reg[config]' to derive CPU -> ATU addr offset PCI: dwc: ep: Use devicetree 'reg[addr_space]' to derive CPU -> ATU addr offset PCI: dwc: ep: Ensure proper iteration over outbound map windows PCI: dwc: Use parent_bus_offset to remove need for .cpu_addr_fixup() PCI: imx6: Remove cpu_addr_fixup() drivers/pci/controller/dwc/pci-imx6.c | 18 +--- .../pci/controller/dwc/pcie-designware-ep.c | 74 +++++++++++------ .../pci/controller/dwc/pcie-designware-host.c | 57 ++++++++----- drivers/pci/controller/dwc/pcie-designware.c | 82 ++++++++++++++----- drivers/pci/controller/dwc/pcie-designware.h | 24 +++++- 5 files changed, 171 insertions(+), 84 deletions(-)