IB/hfi1: Replace custom hfi1 macros with PCIe macros

IB/hfi1 contains custom macros for PCIe link configuration. Remove the
custom macros in favor of the PCIe link macros. No functional change
intended.

Signed-off-by: Frederick Lawler <fred@fredlawl.com>
[bhelgaas: use "GT" instead of "GB"]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com>

diff --git a/drivers/infiniband/hw/hfi1/pcie.c b/drivers/infiniband/hw/hfi1/pcie.c
index 83d66e8..6a04483 100644 (file)
--- a/drivers/infiniband/hw/hfi1/pcie.c
+++ b/drivers/infiniband/hw/hfi1/pcie.c
@@ -56,11 +56,6 @@
 #include "chip_registers.h"
 #include "aspm.h"
 
-/* link speed vector for Gen3 speed - not in Linux headers */
-#define GEN1_SPEED_VECTOR 0x1
-#define GEN2_SPEED_VECTOR 0x2
-#define GEN3_SPEED_VECTOR 0x3
-
 /*
  * This file contains PCIe utility routines.
  */
@@ -265,7 +260,7 @@ static u32 extract_speed(u16 linkstat)
        case PCI_EXP_LNKSTA_CLS_5_0GB:
                speed = 5000; /* Gen 2, 5GHz */
                break;
-       case GEN3_SPEED_VECTOR:
+       case PCI_EXP_LNKSTA_CLS_8_0GB:
                speed = 8000; /* Gen 3, 8GHz */
                break;
        }
@@ -320,7 +315,7 @@ int pcie_speeds(struct hfi1_devdata *dd)
                return ret;
        }
 
-       if ((linkcap & PCI_EXP_LNKCAP_SLS) != GEN3_SPEED_VECTOR) {
+       if ((linkcap & PCI_EXP_LNKCAP_SLS) != PCI_EXP_LNKCAP_SLS_8_0GB) {
                dd_dev_info(dd,
                            "This HFI is not Gen3 capable, max speed 0x%x, need 0x3\n",
                            linkcap & PCI_EXP_LNKCAP_SLS);
@@ -697,9 +692,6 @@ const struct pci_error_handlers hfi1_pci_err_handler = {
 /* gasket block secondary bus reset delay */
 #define SBR_DELAY_US 200000    /* 200ms */
 
-/* mask for PCIe capability register lnkctl2 target link speed */
-#define LNKCTL2_TARGET_LINK_SPEED_MASK 0xf
-
 static uint pcie_target = 3;
 module_param(pcie_target, uint, S_IRUGO);
 MODULE_PARM_DESC(pcie_target, "PCIe target speed (0 skip, 1-3 Gen1-3)");
@@ -1048,13 +1040,13 @@ int do_pcie_gen3_transition(struct hfi1_devdata *dd)
                return 0;
 
        if (pcie_target == 1) {                 /* target Gen1 */
-               target_vector = GEN1_SPEED_VECTOR;
+               target_vector = PCI_EXP_LNKCTL2_TLS_2_5GT;
                target_speed = 2500;
        } else if (pcie_target == 2) {          /* target Gen2 */
-               target_vector = GEN2_SPEED_VECTOR;
+               target_vector = PCI_EXP_LNKCTL2_TLS_5_0GT;
                target_speed = 5000;
        } else if (pcie_target == 3) {          /* target Gen3 */
-               target_vector = GEN3_SPEED_VECTOR;
+               target_vector = PCI_EXP_LNKCTL2_TLS_8_0GT;
                target_speed = 8000;
        } else {
                /* off or invalid target - skip */
@@ -1293,8 +1285,8 @@ retry:
        dd_dev_info(dd, "%s: ..old link control2: 0x%x\n", __func__,
                    (u32)lnkctl2);
        /* only write to parent if target is not as high as ours */
-       if ((lnkctl2 & LNKCTL2_TARGET_LINK_SPEED_MASK) < target_vector) {
-               lnkctl2 &= ~LNKCTL2_TARGET_LINK_SPEED_MASK;
+       if ((lnkctl2 & PCI_EXP_LNKCTL2_TLS) < target_vector) {
+               lnkctl2 &= ~PCI_EXP_LNKCTL2_TLS;
                lnkctl2 |= target_vector;
                dd_dev_info(dd, "%s: ..new link control2: 0x%x\n", __func__,
                            (u32)lnkctl2);
@@ -1319,7 +1311,7 @@ retry:
 
        dd_dev_info(dd, "%s: ..old link control2: 0x%x\n", __func__,
                    (u32)lnkctl2);
-       lnkctl2 &= ~LNKCTL2_TARGET_LINK_SPEED_MASK;
+       lnkctl2 &= ~PCI_EXP_LNKCTL2_TLS;
        lnkctl2 |= target_vector;
        dd_dev_info(dd, "%s: ..new link control2: 0x%x\n", __func__,
                    (u32)lnkctl2);