PCI core will initialize device MSI/MSI-X capability in
pci_msi_init_pci_dev(). So device driver should use
pci_dev->msi_cap/msix_cap to determine whether the device
support MSI/MSI-X instead of using
pci_find_capability(pci_dev, PCI_CAP_ID_MSI/MSIX).
Access to PCIe device config space again will consume more time.
Signed-off-by: Yijing Wang <wangyijing@xxxxxxxxxx>
Cc: Anil Ravindranath <anil_ravindranath@xxxxxxxxxxxxxx>
Cc: "James E.J. Bottomley" <JBottomley@xxxxxxxxxxxxx>
Cc: linux-scsi@xxxxxxxxxxxxxxx
---
drivers/scsi/pmcraid.c | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
index 1eb7b02..d5b3315 100644
--- a/drivers/scsi/pmcraid.c
+++ b/drivers/scsi/pmcraid.c
@@ -4678,8 +4678,7 @@ pmcraid_register_interrupt_handler(struct pmcraid_instance *pinstance)
int rc;
struct pci_dev *pdev = pinstance->pdev;
- if ((pmcraid_enable_msix) &&
- (pci_find_capability(pdev, PCI_CAP_ID_MSIX))) {
+ if (pmcraid_enable_msix && pdev->msix_cap) {
int num_hrrq = PMCRAID_NUM_MSIX_VECTORS;
struct msix_entry entries[PMCRAID_NUM_MSIX_VECTORS];
int i;
--
1.7.1
--
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
