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path: root/drivers/infiniband/hw/hfi1/pcie.c
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Diffstat (limited to 'drivers/infiniband/hw/hfi1/pcie.c')
-rw-r--r--drivers/infiniband/hw/hfi1/pcie.c19
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/infiniband/hw/hfi1/pcie.c b/drivers/infiniband/hw/hfi1/pcie.c
index baf7c324f7b8..eec83757d55f 100644
--- a/drivers/infiniband/hw/hfi1/pcie.c
+++ b/drivers/infiniband/hw/hfi1/pcie.c
@@ -157,6 +157,7 @@ int hfi1_pcie_ddinit(struct hfi1_devdata *dd, struct pci_dev *pdev)
unsigned long len;
resource_size_t addr;
int ret = 0;
+ u32 rcv_array_count;
addr = pci_resource_start(pdev, 0);
len = pci_resource_len(pdev, 0);
@@ -186,9 +187,9 @@ int hfi1_pcie_ddinit(struct hfi1_devdata *dd, struct pci_dev *pdev)
goto nomem;
}
- dd->chip_rcv_array_count = readq(dd->kregbase1 + RCV_ARRAY_CNT);
- dd_dev_info(dd, "RcvArray count: %u\n", dd->chip_rcv_array_count);
- dd->base2_start = RCV_ARRAY + dd->chip_rcv_array_count * 8;
+ rcv_array_count = readq(dd->kregbase1 + RCV_ARRAY_CNT);
+ dd_dev_info(dd, "RcvArray count: %u\n", rcv_array_count);
+ dd->base2_start = RCV_ARRAY + rcv_array_count * 8;
dd->kregbase2 = ioremap_nocache(
addr + dd->base2_start,
@@ -214,13 +215,13 @@ int hfi1_pcie_ddinit(struct hfi1_devdata *dd, struct pci_dev *pdev)
* to write an entire cacheline worth of entries in one shot.
*/
dd->rcvarray_wc = ioremap_wc(addr + RCV_ARRAY,
- dd->chip_rcv_array_count * 8);
+ rcv_array_count * 8);
if (!dd->rcvarray_wc) {
dd_dev_err(dd, "WC mapping of receive array failed\n");
goto nomem;
}
dd_dev_info(dd, "WC RcvArray: %p for %x\n",
- dd->rcvarray_wc, dd->chip_rcv_array_count * 8);
+ dd->rcvarray_wc, rcv_array_count * 8);
dd->flags |= HFI1_PRESENT; /* chip.c CSR routines now work */
return 0;
@@ -346,15 +347,13 @@ int pcie_speeds(struct hfi1_devdata *dd)
/*
* Returns:
* - actual number of interrupts allocated or
- * - 0 if fell back to INTx.
* - error
*/
int request_msix(struct hfi1_devdata *dd, u32 msireq)
{
int nvec;
- nvec = pci_alloc_irq_vectors(dd->pcidev, 1, msireq,
- PCI_IRQ_MSIX | PCI_IRQ_LEGACY);
+ nvec = pci_alloc_irq_vectors(dd->pcidev, msireq, msireq, PCI_IRQ_MSIX);
if (nvec < 0) {
dd_dev_err(dd, "pci_alloc_irq_vectors() failed: %d\n", nvec);
return nvec;
@@ -362,10 +361,6 @@ int request_msix(struct hfi1_devdata *dd, u32 msireq)
tune_pcie_caps(dd);
- /* check for legacy IRQ */
- if (nvec == 1 && !dd->pcidev->msix_enabled)
- return 0;
-
return nvec;
}