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 E02A9C83F20 for ; Thu, 10 Jul 2025 20:54:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Reply-To:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To: References:Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version: Subject:Date:From:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=x+h5Qt8EcpRKlZLel120dEL1HB3bFDuSbg3WaTP0VSU=; b=U4vbOyjdVSsnERZi/YMyP5PgE2 A4szjHN7lDEEp6kZWAZwoCWAeYioZyJv/P+kIvGyHmNmbsjHPTyUb/lvT4qs7WMZx5la45KM6iKd6 USGGWXRdSsDXQTDEa0LWz/70SN3hq4x2lWwqsQdy9cXRe8B/YusBpbENBoThucasgvoNK4y6o+hpp hvlHRilSFq4ZCwizxBuNl6qVFEx0s62xtnW+cMJ/L2jOj3QiHUDlTqSogy+3BNzztTqitaZ1G23q5 wWUfvFTSNs5ykE/1MOV1JHMfvw1wyA5weVYTPDgBuuQHasIsJf7xnFk1F8+u1XMej8qSpOtm8OSkF 2bKe4x/Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uZyI4-0000000CzA8-47OW; Thu, 10 Jul 2025 20:54:48 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uZwiV-0000000Cn2T-26TA for linux-arm-kernel@lists.infradead.org; Thu, 10 Jul 2025 19:13:59 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 968AF61428; Thu, 10 Jul 2025 19:13:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id BF7F4C4CEF1; Thu, 10 Jul 2025 19:13:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1752174837; bh=yfPKmVMhY+gbXvaT/+cR0sE6ZwAyCoBhja/l0byv5u0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=T251JgUfQqkL9mMN9Vezo2QxC8kuwV4QxdRvfzReb0/q7e4Bz5uTLHwMOvYCpYgE1 /INpBVCidZVrZmLgjhKrDteYqlc5/oKI/SMVY2dFGSihqzHHfknmra/mUTLCKVeVt8 38ho9A34bxzZgHDhn9jPJa1219xCojGm3c5XZpYkPIMrxPfxhwri+2vrjFnqZjPdRR GSUJEiQLDYoI8Rn2DhxRsCScv/+9+v4p2p6q4AdycIpbG3ZBayUSBCN8AHm3G5G5JB DQdABgF780tR0MQjDZfiAmTkLlnlADip2uaDBIiMMjCuuNIXZ8HL1f0szYyjMxSeUg O+ex5doYHvrbQ== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id ACDD8C83F1B; Thu, 10 Jul 2025 19:13:57 +0000 (UTC) From: Frank Li via B4 Relay Date: Thu, 10 Jul 2025 15:13:47 -0400 Subject: [PATCH v21 1/9] PCI: imx6: Add helper function imx_pcie_add_lut_by_rid() MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250710-ep-msi-v21-1-57683fc7fb25@nxp.com> References: <20250710-ep-msi-v21-0-57683fc7fb25@nxp.com> In-Reply-To: <20250710-ep-msi-v21-0-57683fc7fb25@nxp.com> To: Kishon Vijay Abraham I , "Rafael J. Wysocki" , Thomas Gleixner , Anup Patel , Kishon Vijay Abraham I , Marc Zyngier , Greg Kroah-Hartman , "Rafael J. Wysocki" , Danilo Krummrich , Kishon Vijay Abraham I , Bjorn Helgaas , Arnd Bergmann , Shuah Khan , Richard Zhu , Lucas Stach , Lorenzo Pieralisi , Rob Herring , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Krzysztof Kozlowski , Conor Dooley , Manivannan Sadhasivam , =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= Cc: Niklas Cassel , dlemoal@kernel.org, jdmason@kudzu.us, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org, linux-kselftest@vger.kernel.org, imx@lists.linux.dev, devicetree@vger.kernel.org, Niklas Cassel , Frank Li X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1752174836; l=1939; i=Frank.Li@nxp.com; s=20240130; h=from:subject:message-id; bh=FTsRKbmGJkqXdF0l3uL9gIhRFF4JXE9vNw1HW1VASns=; b=pl4q2ntiFNC+d0WkC3fXBmdd1gqe/CxBTx1BZqQJEmeumRTScrSLvt3T8awwwY9n6HD/z7skj 3YNPpGXey6rAS+uVXG9/oWf2slSD0psgmFdz42M2s6eWD2I+0J7wxqM X-Developer-Key: i=Frank.Li@nxp.com; a=ed25519; pk=I0L1sDUfPxpAkRvPKy7MdauTuSENRq+DnA+G4qcS94Q= X-Endpoint-Received: by B4 Relay for Frank.Li@nxp.com/20240130 with auth_id=121 X-Original-From: Frank Li 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: , Reply-To: Frank.Li@nxp.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Frank Li Add helper function imx_pcie_add_lut_by_rid(), which will be used for MSI doorbell support in endpoint mode in the future. No functional change. Signed-off-by: Frank Li --- - change in v20 - update commit message. change from v14 to v16 - none change from v13 to v14 - new patch --- drivers/pci/controller/dwc/pci-imx6.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index 5a38cfaf989b1c9606660f2e0bcd10d88fa2d6b1..032b906c44dfaa374a32f511098402a494ef5677 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -1096,18 +1096,14 @@ static void imx_pcie_remove_lut(struct imx_pcie *imx_pcie, u16 rid) } } -static int imx_pcie_enable_device(struct pci_host_bridge *bridge, - struct pci_dev *pdev) +static int imx_pcie_add_lut_by_rid(struct imx_pcie *imx_pcie, u32 rid) { - struct imx_pcie *imx_pcie = to_imx_pcie(to_dw_pcie_from_pp(bridge->sysdata)); - u32 sid_i, sid_m, rid = pci_dev_id(pdev); + struct device *dev = imx_pcie->pci->dev; struct device_node *target; - struct device *dev; + u32 sid_i, sid_m; int err_i, err_m; u32 sid = 0; - dev = imx_pcie->pci->dev; - target = NULL; err_i = of_map_id(dev->of_node, rid, "iommu-map", "iommu-map-mask", &target, &sid_i); @@ -1182,6 +1178,13 @@ static int imx_pcie_enable_device(struct pci_host_bridge *bridge, return imx_pcie_add_lut(imx_pcie, rid, sid); } +static int imx_pcie_enable_device(struct pci_host_bridge *bridge, struct pci_dev *pdev) +{ + struct imx_pcie *imx_pcie = to_imx_pcie(to_dw_pcie_from_pp(bridge->sysdata)); + + return imx_pcie_add_lut_by_rid(imx_pcie, pci_dev_id(pdev)); +} + static void imx_pcie_disable_device(struct pci_host_bridge *bridge, struct pci_dev *pdev) { -- 2.34.1