From: Fabio Estevam <fabio.estevam@xxxxxxxxxxxxx>
Instead of having some hardcoded values, it is preferred to use
defines when possible.
Signed-off-by: Fabio Estevam <fabio.estevam@xxxxxxxxxxxxx>
---
drivers/pci/host/pci-imx6.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/host/pci-imx6.c b/drivers/pci/host/pci-imx6.c
index 2d0d0fe..f7a3951 100644
--- a/drivers/pci/host/pci-imx6.c
+++ b/drivers/pci/host/pci-imx6.c
@@ -55,6 +55,7 @@ struct imx6_pcie {
#define PCIE_PL_PFLR_LINK_STATE_MASK (0x3f << 16)
#define PCIE_PL_PFLR_FORCE_LINK (1 << 15)
#define PCIE_PHY_DEBUG_R0 (PL_OFFSET + 0x28)
+#define PCIE_PHY_DEBUG_R0_LTSSM_MASK 0x3f
#define PCIE_PHY_DEBUG_R1 (PL_OFFSET + 0x2c)
#define PCIE_PHY_DEBUG_R1_XMLH_LINK_IN_TRAINING (1 << 29)
#define PCIE_PHY_DEBUG_R1_XMLH_LINK_UP (1 << 4)
@@ -74,6 +75,7 @@ struct imx6_pcie {
/* PHY registers (not memory-mapped) */
#define PCIE_PHY_RX_ASIC_OUT 0x100D
+#define PCIE_PHY_RX_ASIC_OUT_VALID 1
#define PHY_RX_OVRD_IN_LO 0x1005
#define PHY_RX_OVRD_IN_LO_RX_DATA_EN (1 << 5)
@@ -503,10 +505,10 @@ 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)
+ if ((debug_r0 & PCIE_PHY_DEBUG_R0_LTSSM_MASK) != 0x0d)
return 0;
dev_err(pp->dev, "transition to gen2 is stuck, reset PHY!\n");
--
1.9.1
--
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