From d41d2959593b920e855cdd8d1829c33d34fb1071 Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Thu, 6 Oct 2016 13:38:05 -0500 Subject: PCI: layerscape: Remove redundant struct ls_pcie.dbi Remove the struct ls_pcie.dbi member, which is a duplicate of the generic pp.dbi_base member. No functional change intended. Signed-off-by: Bjorn Helgaas --- drivers/pci/host/pci-layerscape.c | 24 +++++++++++------------- 1 file changed, 11 insertions(+), 13 deletions(-) (limited to 'drivers/pci/host') diff --git a/drivers/pci/host/pci-layerscape.c b/drivers/pci/host/pci-layerscape.c index ebed415e3a05..bdafe55ad00e 100644 --- a/drivers/pci/host/pci-layerscape.c +++ b/drivers/pci/host/pci-layerscape.c @@ -45,7 +45,6 @@ struct ls_pcie_drvdata { }; struct ls_pcie { - void __iomem *dbi; void __iomem *lut; struct regmap *scfg; struct pcie_port pp; @@ -59,7 +58,7 @@ static bool ls_pcie_is_bridge(struct ls_pcie *pcie) { u32 header_type; - header_type = ioread8(pcie->dbi + PCI_HEADER_TYPE); + header_type = ioread8(pcie->pp.dbi_base + PCI_HEADER_TYPE); header_type &= 0x7f; return header_type == PCI_HEADER_TYPE_BRIDGE; @@ -68,13 +67,13 @@ static bool ls_pcie_is_bridge(struct ls_pcie *pcie) /* Clear multi-function bit */ static void ls_pcie_clear_multifunction(struct ls_pcie *pcie) { - iowrite8(PCI_HEADER_TYPE_BRIDGE, pcie->dbi + PCI_HEADER_TYPE); + iowrite8(PCI_HEADER_TYPE_BRIDGE, pcie->pp.dbi_base + PCI_HEADER_TYPE); } /* Fix class value */ static void ls_pcie_fix_class(struct ls_pcie *pcie) { - iowrite16(PCI_CLASS_BRIDGE_PCI, pcie->dbi + PCI_CLASS_DEVICE); + iowrite16(PCI_CLASS_BRIDGE_PCI, pcie->pp.dbi_base + PCI_CLASS_DEVICE); } /* Drop MSG TLP except for Vendor MSG */ @@ -82,9 +81,9 @@ static void ls_pcie_drop_msg_tlp(struct ls_pcie *pcie) { u32 val; - val = ioread32(pcie->dbi + PCIE_STRFMR1); + val = ioread32(pcie->pp.dbi_base + PCIE_STRFMR1); val &= 0xDFFFFFFF; - iowrite32(val, pcie->dbi + PCIE_STRFMR1); + iowrite32(val, pcie->pp.dbi_base + PCIE_STRFMR1); } static int ls1021_pcie_link_up(struct pcie_port *pp) @@ -149,11 +148,11 @@ static void ls_pcie_host_init(struct pcie_port *pp) { struct ls_pcie *pcie = to_ls_pcie(pp); - iowrite32(1, pcie->dbi + PCIE_DBI_RO_WR_EN); + iowrite32(1, pcie->pp.dbi_base + PCIE_DBI_RO_WR_EN); ls_pcie_fix_class(pcie); ls_pcie_clear_multifunction(pcie); ls_pcie_drop_msg_tlp(pcie); - iowrite32(0, pcie->dbi + PCIE_DBI_RO_WR_EN); + iowrite32(0, pcie->pp.dbi_base + PCIE_DBI_RO_WR_EN); } static int ls_pcie_msi_host_init(struct pcie_port *pp, @@ -222,7 +221,6 @@ static int __init ls_add_pcie_port(struct pcie_port *pp, struct ls_pcie *pcie = to_ls_pcie(pp); pp->dev = dev; - pp->dbi_base = pcie->dbi; pp->ops = pcie->drvdata->ops; ret = dw_pcie_host_init(pp); @@ -251,14 +249,14 @@ static int __init ls_pcie_probe(struct platform_device *pdev) return -ENOMEM; dbi_base = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs"); - pcie->dbi = devm_ioremap_resource(dev, dbi_base); - if (IS_ERR(pcie->dbi)) { + pcie->pp.dbi_base = devm_ioremap_resource(dev, dbi_base); + if (IS_ERR(pcie->pp.dbi_base)) { dev_err(dev, "missing *regs* space\n"); - return PTR_ERR(pcie->dbi); + return PTR_ERR(pcie->pp.dbi_base); } pcie->drvdata = match->data; - pcie->lut = pcie->dbi + pcie->drvdata->lut_offset; + pcie->lut = pcie->pp.dbi_base + pcie->drvdata->lut_offset; if (!ls_pcie_is_bridge(pcie)) return -ENODEV; -- cgit v1.2.3