PCI: imx6: Add PCIE_PHY_RX_ASIC_OUT_VALID definition

Add a #define for PCIE_PHY_RX_ASIC_OUT_VALID and use it instead of a
hardcoded value.

[bhelgaas: drop PCIE_PHY_DEBUG_R0_LTSSM_MASK; updated in future patch]
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Bjorn Helgaas <helgaas@kernel.org>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>

diff --git a/drivers/pci/host/pci-imx6.c b/drivers/pci/host/pci-imx6.c
index 2d0d0fe..22e8224 100644 (file)
--- a/drivers/pci/host/pci-imx6.c
+++ b/drivers/pci/host/pci-imx6.c
@@ -74,6 +74,7 @@ struct imx6_pcie {
 
 /* PHY registers (not memory-mapped) */
 #define PCIE_PHY_RX_ASIC_OUT 0x100D
+#define PCIE_PHY_RX_ASIC_OUT_VALID     (1 << 0)
 
 #define PHY_RX_OVRD_IN_LO 0x1005
 #define PHY_RX_OVRD_IN_LO_RX_DATA_EN (1 << 5)
@@ -503,7 +504,7 @@ static int imx6_pcie_link_up(struct pcie_port *pp)
        pcie_phy_read(pp->dbi_base, PCIE_PHY_RX_ASIC_OUT, &rx_valid);
        debug_r0 = readl(pp->dbi_base + PCIE_PHY_DEBUG_R0);
 
-       if (rx_valid & 0x01)
+       if (rx_valid & PCIE_PHY_RX_ASIC_OUT_VALID)
                return 0;
 
        if ((debug_r0 & 0x3f) != 0x0d)