From patchwork Tue Aug 29 14:27:20 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Gonzalez X-Patchwork-Id: 807121 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-pci-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3xhWS317klz9s7f for ; Wed, 30 Aug 2017 00:37:07 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754510AbdH2OhE convert rfc822-to-8bit (ORCPT ); Tue, 29 Aug 2017 10:37:04 -0400 Received: from us-smtp-delivery-107.mimecast.com ([216.205.24.107]:53626 "EHLO us-smtp-delivery-107.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754509AbdH2OhC (ORCPT ); Tue, 29 Aug 2017 10:37:02 -0400 Received: from CPH-EX1.SDESIGNS.COM (195-215-56-170-static.dk.customer.tdc.net [195.215.56.170]) (Using TLS) by us-smtp-1.mimecast.com with ESMTP id us-mta-44-tnX7XmsiNJez1e_UrGiaTg-1; Tue, 29 Aug 2017 10:35:28 -0400 Received: from [172.27.0.114] (172.27.0.114) by CPH-EX1.sdesigns.com (192.168.10.36) with Microsoft SMTP Server (TLS) id 14.3.294.0; Tue, 29 Aug 2017 16:35:25 +0200 Subject: [PATCH 2/3] PCI: Use of_pci_dma_range_parser_init API From: Marc Gonzalez To: Bjorn Helgaas CC: linux-pci , Linux ARM , Robin Murphy , Liviu Dudau , Thibaud Cornic , Mason , Linus Walleij , Ray Jui , Simon Horman References: Message-ID: <05956f46-6882-7f7b-1c4c-5851b4e8b8e6@sigmadesigns.com> Date: Tue, 29 Aug 2017 16:27:20 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.1 MIME-Version: 1.0 In-Reply-To: X-Originating-IP: [172.27.0.114] X-MC-Unique: tnX7XmsiNJez1e_UrGiaTg-1 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Use the factorized implementation. Signed-off-by: Marc Gonzalez Acked-by: Linus Walleij --- drivers/pci/host/pci-ftpci100.c | 20 +------------------- drivers/pci/host/pci-rcar-gen2.c | 20 +------------------- drivers/pci/host/pci-xgene.c | 20 +------------------- drivers/pci/host/pcie-iproc.c | 20 +------------------- drivers/pci/host/pcie-rcar.c | 20 +------------------- 5 files changed, 5 insertions(+), 95 deletions(-) diff --git a/drivers/pci/host/pci-ftpci100.c b/drivers/pci/host/pci-ftpci100.c index 5162dffc102b..12d78bba1bd3 100644 --- a/drivers/pci/host/pci-ftpci100.c +++ b/drivers/pci/host/pci-ftpci100.c @@ -370,24 +370,6 @@ static int faraday_pci_setup_cascaded_irq(struct faraday_pci *p) return 0; } -static int pci_dma_range_parser_init(struct of_pci_range_parser *parser, - struct device_node *node) -{ - const int na = 3, ns = 2; - int rlen; - - parser->node = node; - parser->pna = of_n_addr_cells(node); - parser->np = parser->pna + na + ns; - - parser->range = of_get_property(node, "dma-ranges", &rlen); - if (!parser->range) - return -ENOENT; - parser->end = parser->range + rlen / sizeof(__be32); - - return 0; -} - static int faraday_pci_parse_map_dma_ranges(struct faraday_pci *p, struct device_node *np) { @@ -402,7 +384,7 @@ static int faraday_pci_parse_map_dma_ranges(struct faraday_pci *p, int i = 0; u32 val; - if (pci_dma_range_parser_init(&parser, np)) { + if (of_pci_dma_range_parser_init(&parser, np)) { dev_err(dev, "missing dma-ranges property\n"); return -EINVAL; } diff --git a/drivers/pci/host/pci-rcar-gen2.c b/drivers/pci/host/pci-rcar-gen2.c index 6f879685fedd..e46de69f0380 100644 --- a/drivers/pci/host/pci-rcar-gen2.c +++ b/drivers/pci/host/pci-rcar-gen2.c @@ -293,24 +293,6 @@ static struct pci_ops rcar_pci_ops = { .write = pci_generic_config_write, }; -static int pci_dma_range_parser_init(struct of_pci_range_parser *parser, - struct device_node *node) -{ - const int na = 3, ns = 2; - int rlen; - - parser->node = node; - parser->pna = of_n_addr_cells(node); - parser->np = parser->pna + na + ns; - - parser->range = of_get_property(node, "dma-ranges", &rlen); - if (!parser->range) - return -ENOENT; - - parser->end = parser->range + rlen / sizeof(__be32); - return 0; -} - static int rcar_pci_parse_map_dma_ranges(struct rcar_pci_priv *pci, struct device_node *np) { @@ -320,7 +302,7 @@ static int rcar_pci_parse_map_dma_ranges(struct rcar_pci_priv *pci, int index = 0; /* Failure to parse is ok as we fall back to defaults */ - if (pci_dma_range_parser_init(&parser, np)) + if (of_pci_dma_range_parser_init(&parser, np)) return 0; /* Get the dma-ranges from DT */ diff --git a/drivers/pci/host/pci-xgene.c b/drivers/pci/host/pci-xgene.c index bd897479a215..f660513946d3 100644 --- a/drivers/pci/host/pci-xgene.c +++ b/drivers/pci/host/pci-xgene.c @@ -542,24 +542,6 @@ static void xgene_pcie_setup_ib_reg(struct xgene_pcie_port *port, xgene_pcie_setup_pims(port, pim_reg, pci_addr, ~(size - 1)); } -static int pci_dma_range_parser_init(struct of_pci_range_parser *parser, - struct device_node *node) -{ - const int na = 3, ns = 2; - int rlen; - - parser->node = node; - parser->pna = of_n_addr_cells(node); - parser->np = parser->pna + na + ns; - - parser->range = of_get_property(node, "dma-ranges", &rlen); - if (!parser->range) - return -ENOENT; - parser->end = parser->range + rlen / sizeof(__be32); - - return 0; -} - static int xgene_pcie_parse_map_dma_ranges(struct xgene_pcie_port *port) { struct device_node *np = port->node; @@ -568,7 +550,7 @@ static int xgene_pcie_parse_map_dma_ranges(struct xgene_pcie_port *port) struct device *dev = port->dev; u8 ib_reg_mask = 0; - if (pci_dma_range_parser_init(&parser, np)) { + if (of_pci_dma_range_parser_init(&parser, np)) { dev_err(dev, "missing dma-ranges property\n"); return -EINVAL; } diff --git a/drivers/pci/host/pcie-iproc.c b/drivers/pci/host/pcie-iproc.c index c57486348856..aa4f6d519053 100644 --- a/drivers/pci/host/pcie-iproc.c +++ b/drivers/pci/host/pcie-iproc.c @@ -1000,24 +1000,6 @@ static int iproc_pcie_setup_ib(struct iproc_pcie *pcie, return ret; } -static int pci_dma_range_parser_init(struct of_pci_range_parser *parser, - struct device_node *node) -{ - const int na = 3, ns = 2; - int rlen; - - parser->node = node; - parser->pna = of_n_addr_cells(node); - parser->np = parser->pna + na + ns; - - parser->range = of_get_property(node, "dma-ranges", &rlen); - if (!parser->range) - return -ENOENT; - - parser->end = parser->range + rlen / sizeof(__be32); - return 0; -} - static int iproc_pcie_map_dma_ranges(struct iproc_pcie *pcie) { struct of_pci_range range; @@ -1025,7 +1007,7 @@ static int iproc_pcie_map_dma_ranges(struct iproc_pcie *pcie) int ret; /* Get the dma-ranges from DT */ - ret = pci_dma_range_parser_init(&parser, pcie->dev->of_node); + ret = of_pci_dma_range_parser_init(&parser, pcie->dev->of_node); if (ret) return ret; diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c index 246d485b24c6..7975b10e21e8 100644 --- a/drivers/pci/host/pcie-rcar.c +++ b/drivers/pci/host/pcie-rcar.c @@ -1029,24 +1029,6 @@ static int rcar_pcie_inbound_ranges(struct rcar_pcie *pcie, return 0; } -static int pci_dma_range_parser_init(struct of_pci_range_parser *parser, - struct device_node *node) -{ - const int na = 3, ns = 2; - int rlen; - - parser->node = node; - parser->pna = of_n_addr_cells(node); - parser->np = parser->pna + na + ns; - - parser->range = of_get_property(node, "dma-ranges", &rlen); - if (!parser->range) - return -ENOENT; - - parser->end = parser->range + rlen / sizeof(__be32); - return 0; -} - static int rcar_pcie_parse_map_dma_ranges(struct rcar_pcie *pcie, struct device_node *np) { @@ -1055,7 +1037,7 @@ static int rcar_pcie_parse_map_dma_ranges(struct rcar_pcie *pcie, int index = 0; int err; - if (pci_dma_range_parser_init(&parser, np)) + if (of_pci_dma_range_parser_init(&parser, np)) return -EINVAL; /* Get the dma-ranges from DT */