The majority of DT based host drivers use the default .map_irq() and .swizzle_irq() functions, so let's initialize the function pointers to the default and drop setting them in the host drivers. Drivers like iProc which don't support legacy interrupts need to set .map_irq() back to NULL. Cc: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx> Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> Signed-off-by: Rob Herring <robh@xxxxxxxxxx> --- drivers/pci/controller/cadence/pcie-cadence-host.c | 2 -- drivers/pci/controller/dwc/pcie-designware-host.c | 2 -- drivers/pci/controller/mobiveil/pcie-mobiveil-host.c | 2 -- drivers/pci/controller/pci-aardvark.c | 2 -- drivers/pci/controller/pci-ftpci100.c | 2 -- drivers/pci/controller/pci-host-common.c | 2 -- drivers/pci/controller/pci-mvebu.c | 2 -- drivers/pci/controller/pci-tegra.c | 1 - drivers/pci/controller/pci-v3-semi.c | 2 -- drivers/pci/controller/pci-versatile.c | 2 -- drivers/pci/controller/pci-xgene.c | 2 -- drivers/pci/controller/pcie-altera.c | 2 -- drivers/pci/controller/pcie-brcmstb.c | 2 -- drivers/pci/controller/pcie-iproc-platform.c | 3 ++- drivers/pci/controller/pcie-iproc.c | 1 - drivers/pci/controller/pcie-mediatek.c | 2 -- drivers/pci/controller/pcie-rcar-host.c | 2 -- drivers/pci/controller/pcie-rockchip-host.c | 2 -- drivers/pci/controller/pcie-xilinx-nwl.c | 2 -- drivers/pci/controller/pcie-xilinx.c | 2 -- drivers/pci/of.c | 3 +++ 21 files changed, 5 insertions(+), 37 deletions(-) diff --git a/drivers/pci/controller/cadence/pcie-cadence-host.c b/drivers/pci/controller/cadence/pcie-cadence-host.c index 4fe39b6b4749..0acd95b7329a 100644 --- a/drivers/pci/controller/cadence/pcie-cadence-host.c +++ b/drivers/pci/controller/cadence/pcie-cadence-host.c @@ -234,8 +234,6 @@ int cdns_pcie_host_setup(struct cdns_pcie_rc *rc) goto err_init; bridge->ops = &cdns_pcie_host_ops; - bridge->map_irq = of_irq_parse_and_map_pci; - bridge->swizzle_irq = pci_common_swizzle; ret = pci_host_probe(bridge); if (ret < 0) diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c index d3d4c1e42868..d49db7d2d29a 100644 --- a/drivers/pci/controller/dwc/pcie-designware-host.c +++ b/drivers/pci/controller/dwc/pcie-designware-host.c @@ -467,8 +467,6 @@ int dw_pcie_host_init(struct pcie_port *pp) bridge->sysdata = pp; bridge->ops = &dw_pcie_ops; - bridge->map_irq = of_irq_parse_and_map_pci; - bridge->swizzle_irq = pci_common_swizzle; ret = pci_scan_root_bus_bridge(bridge); if (ret) diff --git a/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c b/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c index 2954d6ad8333..33ab36d73906 100644 --- a/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c +++ b/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c @@ -596,8 +596,6 @@ int mobiveil_pcie_host_probe(struct mobiveil_pcie *pcie) /* Initialize bridge */ bridge->sysdata = pcie; bridge->ops = &mobiveil_pcie_ops; - bridge->map_irq = of_irq_parse_and_map_pci; - bridge->swizzle_irq = pci_common_swizzle; ret = mobiveil_bringup_link(pcie); if (ret) { diff --git a/drivers/pci/controller/pci-aardvark.c b/drivers/pci/controller/pci-aardvark.c index a4a799f52cdb..37c2e49a0408 100644 --- a/drivers/pci/controller/pci-aardvark.c +++ b/drivers/pci/controller/pci-aardvark.c @@ -1177,8 +1177,6 @@ static int advk_pcie_probe(struct platform_device *pdev) bridge->sysdata = pcie; bridge->ops = &advk_pcie_ops; - bridge->map_irq = of_irq_parse_and_map_pci; - bridge->swizzle_irq = pci_common_swizzle; ret = pci_host_probe(bridge); if (ret < 0) { diff --git a/drivers/pci/controller/pci-ftpci100.c b/drivers/pci/controller/pci-ftpci100.c index b1521f4f4096..dc9c25c11faa 100644 --- a/drivers/pci/controller/pci-ftpci100.c +++ b/drivers/pci/controller/pci-ftpci100.c @@ -438,8 +438,6 @@ static int faraday_pci_probe(struct platform_device *pdev) return -ENOMEM; host->ops = &faraday_pci_ops; - host->map_irq = of_irq_parse_and_map_pci; - host->swizzle_irq = pci_common_swizzle; p = pci_host_bridge_priv(host); host->sysdata = p; p->dev = dev; diff --git a/drivers/pci/controller/pci-host-common.c b/drivers/pci/controller/pci-host-common.c index 509624175260..6ce34a1deecb 100644 --- a/drivers/pci/controller/pci-host-common.c +++ b/drivers/pci/controller/pci-host-common.c @@ -77,8 +77,6 @@ int pci_host_common_probe(struct platform_device *pdev) bridge->sysdata = cfg; bridge->ops = (struct pci_ops *)&ops->pci_ops; - bridge->map_irq = of_irq_parse_and_map_pci; - bridge->swizzle_irq = pci_common_swizzle; platform_set_drvdata(pdev, bridge); diff --git a/drivers/pci/controller/pci-mvebu.c b/drivers/pci/controller/pci-mvebu.c index db93823a2dcb..12d30fb6ae6e 100644 --- a/drivers/pci/controller/pci-mvebu.c +++ b/drivers/pci/controller/pci-mvebu.c @@ -1118,8 +1118,6 @@ static int mvebu_pcie_probe(struct platform_device *pdev) bridge->sysdata = pcie; bridge->ops = &mvebu_pcie_ops; - bridge->map_irq = of_irq_parse_and_map_pci; - bridge->swizzle_irq = pci_common_swizzle; bridge->align_resource = mvebu_pcie_align_resource; bridge->msi = pcie->msi; diff --git a/drivers/pci/controller/pci-tegra.c b/drivers/pci/controller/pci-tegra.c index fc4e38fec928..97433beff6cf 100644 --- a/drivers/pci/controller/pci-tegra.c +++ b/drivers/pci/controller/pci-tegra.c @@ -2709,7 +2709,6 @@ static int tegra_pcie_probe(struct platform_device *pdev) host->ops = &tegra_pcie_ops; host->map_irq = tegra_pcie_map_irq; - host->swizzle_irq = pci_common_swizzle; err = pci_host_probe(host); if (err < 0) { diff --git a/drivers/pci/controller/pci-v3-semi.c b/drivers/pci/controller/pci-v3-semi.c index 1a2cbc56b34b..a38a416bcf3b 100644 --- a/drivers/pci/controller/pci-v3-semi.c +++ b/drivers/pci/controller/pci-v3-semi.c @@ -722,8 +722,6 @@ static int v3_pci_probe(struct platform_device *pdev) return -ENOMEM; host->ops = &v3_pci_ops; - host->map_irq = of_irq_parse_and_map_pci; - host->swizzle_irq = pci_common_swizzle; v3 = pci_host_bridge_priv(host); host->sysdata = v3; v3->dev = dev; diff --git a/drivers/pci/controller/pci-versatile.c b/drivers/pci/controller/pci-versatile.c index 54a7a43d036a..c79c52556e95 100644 --- a/drivers/pci/controller/pci-versatile.c +++ b/drivers/pci/controller/pci-versatile.c @@ -151,8 +151,6 @@ static int versatile_pci_probe(struct platform_device *pdev) pci_add_flags(PCI_REASSIGN_ALL_BUS); bridge->ops = &pci_versatile_ops; - bridge->map_irq = of_irq_parse_and_map_pci; - bridge->swizzle_irq = pci_common_swizzle; return pci_host_probe(bridge); } diff --git a/drivers/pci/controller/pci-xgene.c b/drivers/pci/controller/pci-xgene.c index 7f5a6595af0a..c33b385ac918 100644 --- a/drivers/pci/controller/pci-xgene.c +++ b/drivers/pci/controller/pci-xgene.c @@ -621,8 +621,6 @@ static int xgene_pcie_probe(struct platform_device *pdev) bridge->sysdata = port; bridge->ops = &xgene_pcie_ops; - bridge->map_irq = of_irq_parse_and_map_pci; - bridge->swizzle_irq = pci_common_swizzle; return pci_host_probe(bridge); } diff --git a/drivers/pci/controller/pcie-altera.c b/drivers/pci/controller/pcie-altera.c index 4b515329ad35..3bacfdb357d2 100644 --- a/drivers/pci/controller/pcie-altera.c +++ b/drivers/pci/controller/pcie-altera.c @@ -812,8 +812,6 @@ static int altera_pcie_probe(struct platform_device *pdev) bridge->sysdata = pcie; bridge->busnr = pcie->root_bus_nr; bridge->ops = &altera_pcie_ops; - bridge->map_irq = of_irq_parse_and_map_pci; - bridge->swizzle_irq = pci_common_swizzle; return pci_host_probe(bridge); } diff --git a/drivers/pci/controller/pcie-brcmstb.c b/drivers/pci/controller/pcie-brcmstb.c index b24651fad199..6b57551549e6 100644 --- a/drivers/pci/controller/pcie-brcmstb.c +++ b/drivers/pci/controller/pcie-brcmstb.c @@ -993,8 +993,6 @@ static int brcm_pcie_probe(struct platform_device *pdev) bridge->ops = &brcm_pcie_ops; bridge->sysdata = pcie; - bridge->map_irq = of_irq_parse_and_map_pci; - bridge->swizzle_irq = pci_common_swizzle; platform_set_drvdata(pdev, pcie); diff --git a/drivers/pci/controller/pcie-iproc-platform.c b/drivers/pci/controller/pcie-iproc-platform.c index 7c10c1cb6f65..a956b0c18bd1 100644 --- a/drivers/pci/controller/pcie-iproc-platform.c +++ b/drivers/pci/controller/pcie-iproc-platform.c @@ -99,9 +99,10 @@ static int iproc_pcie_pltfm_probe(struct platform_device *pdev) switch (pcie->type) { case IPROC_PCIE_PAXC: case IPROC_PCIE_PAXC_V2: + pcie->map_irq = 0; break; default: - pcie->map_irq = of_irq_parse_and_map_pci; + break; } ret = iproc_pcie_setup(pcie, &bridge->windows); diff --git a/drivers/pci/controller/pcie-iproc.c b/drivers/pci/controller/pcie-iproc.c index e98dafd0fff4..905e93808243 100644 --- a/drivers/pci/controller/pcie-iproc.c +++ b/drivers/pci/controller/pcie-iproc.c @@ -1526,7 +1526,6 @@ int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res) host->ops = &iproc_pcie_ops; host->sysdata = pcie; host->map_irq = pcie->map_irq; - host->swizzle_irq = pci_common_swizzle; ret = pci_host_probe(host); if (ret < 0) { diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c index ca12b2d6892b..4565affe1a2c 100644 --- a/drivers/pci/controller/pcie-mediatek.c +++ b/drivers/pci/controller/pcie-mediatek.c @@ -1085,8 +1085,6 @@ static int mtk_pcie_probe(struct platform_device *pdev) return err; host->ops = pcie->soc->ops; - host->map_irq = of_irq_parse_and_map_pci; - host->swizzle_irq = pci_common_swizzle; host->sysdata = pcie; err = pci_host_probe(host); diff --git a/drivers/pci/controller/pcie-rcar-host.c b/drivers/pci/controller/pcie-rcar-host.c index 67f2a9d3bc29..f6f41db31d47 100644 --- a/drivers/pci/controller/pcie-rcar-host.c +++ b/drivers/pci/controller/pcie-rcar-host.c @@ -294,8 +294,6 @@ static int rcar_pcie_enable(struct rcar_pcie_host *host) bridge->sysdata = host; bridge->ops = &rcar_pcie_ops; - bridge->map_irq = of_irq_parse_and_map_pci; - bridge->swizzle_irq = pci_common_swizzle; if (IS_ENABLED(CONFIG_PCI_MSI)) bridge->msi = &host->msi.chip; diff --git a/drivers/pci/controller/pcie-rockchip-host.c b/drivers/pci/controller/pcie-rockchip-host.c index fed4f6cd1b7b..153bc95ab29f 100644 --- a/drivers/pci/controller/pcie-rockchip-host.c +++ b/drivers/pci/controller/pcie-rockchip-host.c @@ -1001,8 +1001,6 @@ static int rockchip_pcie_probe(struct platform_device *pdev) bridge->sysdata = rockchip; bridge->ops = &rockchip_pcie_ops; - bridge->map_irq = of_irq_parse_and_map_pci; - bridge->swizzle_irq = pci_common_swizzle; err = pci_host_probe(bridge); if (err < 0) diff --git a/drivers/pci/controller/pcie-xilinx-nwl.c b/drivers/pci/controller/pcie-xilinx-nwl.c index 7e7c23c555c7..97305bfe81b5 100644 --- a/drivers/pci/controller/pcie-xilinx-nwl.c +++ b/drivers/pci/controller/pcie-xilinx-nwl.c @@ -846,8 +846,6 @@ static int nwl_pcie_probe(struct platform_device *pdev) bridge->sysdata = pcie; bridge->ops = &nwl_pcie_ops; - bridge->map_irq = of_irq_parse_and_map_pci; - bridge->swizzle_irq = pci_common_swizzle; if (IS_ENABLED(CONFIG_PCI_MSI)) { err = nwl_pcie_enable_msi(pcie); diff --git a/drivers/pci/controller/pcie-xilinx.c b/drivers/pci/controller/pcie-xilinx.c index f8b8ccea5cbc..8523be61bba5 100644 --- a/drivers/pci/controller/pcie-xilinx.c +++ b/drivers/pci/controller/pcie-xilinx.c @@ -643,8 +643,6 @@ static int xilinx_pcie_probe(struct platform_device *pdev) bridge->sysdata = port; bridge->ops = &xilinx_pcie_ops; - bridge->map_irq = of_irq_parse_and_map_pci; - bridge->swizzle_irq = pci_common_swizzle; #ifdef CONFIG_PCI_MSI xilinx_pcie_msi_chip.dev = dev; diff --git a/drivers/pci/of.c b/drivers/pci/of.c index 5e06aae1b4cd..8f478d923196 100644 --- a/drivers/pci/of.c +++ b/drivers/pci/of.c @@ -569,6 +569,9 @@ int devm_of_pci_bridge_init(struct device *dev, struct pci_host_bridge *bridge) if (!dev->of_node) return 0; + bridge->swizzle_irq = pci_common_swizzle; + bridge->map_irq = of_irq_parse_and_map_pci; + return pci_parse_request_of_pci_ranges(dev, bridge); } -- 2.25.1