PCI: imx6: Add #define PCIE_RC_LCSR

Define PCIE_RC_LCSR and use it instead of the bare offset "0x80."
No functional change.

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

diff --git a/drivers/pci/host/pci-imx6.c b/drivers/pci/host/pci-imx6.c
index 776789f0ebe0ce8cfc083178968dcc1bf04757ab..a4ee579421dffa4037f17aa6155056544f390ff3 100644 (file)
--- a/drivers/pci/host/pci-imx6.c
+++ b/drivers/pci/host/pci-imx6.c
@@ -47,6 +47,8 @@ struct imx6_pcie {
 #define PCIE_RC_LCR_MAX_LINK_SPEEDS_GEN2       0x2
 #define PCIE_RC_LCR_MAX_LINK_SPEEDS_MASK       0xf
 
+#define PCIE_RC_LCSR                           0x80
+
 /* PCIe Port Logic registers (memory-mapped) */
 #define PL_OFFSET 0x700
 #define PCIE_PL_PFLR (PL_OFFSET + 0x08)
@@ -427,7 +429,7 @@ static int imx6_pcie_start_link(struct pcie_port *pp)
                return ret;
        }
 
-       tmp = readl(pp->dbi_base + 0x80);
+       tmp = readl(pp->dbi_base + PCIE_RC_LCSR);
        dev_dbg(pp->dev, "Link up, Gen=%i\n", (tmp >> 16) & 0xf);
        return 0;
 }