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>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/pci/host/pci-imx6.c b/drivers/pci/host/pci-imx6.c
index 776789f0ebe0..a4ee579421df 100644
--- 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;
 }