PCI: designware-plat: Remove redundant dw_plat_pcie.mem_base

Remove the struct dw_plat_pcie.mem_base member, which is only used as a
temporary.  No functional change intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

diff --git a/drivers/pci/host/pcie-designware-plat.c b/drivers/pci/host/pcie-designware-plat.c
index 17da005..d9d01e7 100644 (file)
--- a/drivers/pci/host/pcie-designware-plat.c
+++ b/drivers/pci/host/pcie-designware-plat.c
@@ -25,8 +25,7 @@
 #include "pcie-designware.h"
 
 struct dw_plat_pcie {
-       void __iomem            *mem_base;
-       struct pcie_port        pp;
+       struct pcie_port        pp;     /* pp.dbi_base is DT 0th resource */
 };
 
 static irqreturn_t dw_plat_pcie_msi_irq_handler(int irq, void *arg)
@@ -100,11 +99,9 @@ static int dw_plat_pcie_probe(struct platform_device *pdev)
        pp->dev = &pdev->dev;
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       dw_plat_pcie->mem_base = devm_ioremap_resource(&pdev->dev, res);
-       if (IS_ERR(dw_plat_pcie->mem_base))
-               return PTR_ERR(dw_plat_pcie->mem_base);
-
-       pp->dbi_base = dw_plat_pcie->mem_base;
+       pp->dbi_base = devm_ioremap_resource(&pdev->dev, res);
+       if (IS_ERR(pp->dbi_base))
+               return PTR_ERR(pp->dbi_base);
 
        ret = dw_plat_add_pcie_port(pp, pdev);
        if (ret < 0)