IB/hfi1 contains custom macros for PCIe link configuration. This patch
removes the custom macros infavor of the PCIe link macros. No functional
change intended.
Signed-off-by: Frederick Lawler <fred@xxxxxxxxxxxx>
--
V2: Replace s/LINK/LNK
---
drivers/infiniband/hw/hfi1/pcie.c | 26 +++++++++-----------------
1 file changed, 9 insertions(+), 17 deletions(-)
diff --git a/drivers/infiniband/hw/hfi1/pcie.c b/drivers/infiniband/hw/hfi1/pcie.c
index 83d66e8..97476bc 100644
--- 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_LNKSTA_CLS_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)");
@@ -1048,14 +1040,14 @@ 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_LNKSTA_CLS_2_5GB;
target_speed = 2500;
} else if (pcie_target == 2) { /* target Gen2 */
- target_vector = GEN2_SPEED_VECTOR;
+ target_vector = PCI_EXP_LNKSTA_CLS_5_0GB;
target_speed = 5000;
} else if (pcie_target == 3) { /* target Gen3 */
- target_vector = GEN3_SPEED_VECTOR;
- target_speed = 8000;
+ target_vector = PCI_EXP_LNKSTA_CLS_8_0GB;
+ target_speed = 8000;
} else {
/* off or invalid target - skip */
dd_dev_info(dd, "%s: Skipping PCIe transition\n", __func__);
@@ -1293,8 +1285,8 @@ int do_pcie_gen3_transition(struct hfi1_devdata *dd)
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_LNKSTA_CLS) < target_vector) {
+ lnkctl2 &= ~PCI_EXP_LNKSTA_CLS;
lnkctl2 |= target_vector;
dd_dev_info(dd, "%s: ..new link control2: 0x%x\n", __func__,
(u32)lnkctl2);
@@ -1319,7 +1311,7 @@ int do_pcie_gen3_transition(struct hfi1_devdata *dd)
dd_dev_info(dd, "%s: ..old link control2: 0x%x\n", __func__,
(u32)lnkctl2);
- lnkctl2 &= ~LNKCTL2_TARGET_LINK_SPEED_MASK;
+ lnkctl2 &= ~PCI_EXP_LNKSTA_CLS;
lnkctl2 |= target_vector;
dd_dev_info(dd, "%s: ..new link control2: 0x%x\n", __func__,
(u32)lnkctl2);
--
2.7.4
--
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