Signed-off-by: Alexander Gordeev <agordeev@xxxxxxxxxx>
Cc: Jon Mason <jon.mason@xxxxxxxxx>
Cc: linux-pci@xxxxxxxxxxxxxxx
---
drivers/ntb/ntb_hw.c | 15 ++++-----------
drivers/ntb/ntb_hw.h | 2 --
2 files changed, 4 insertions(+), 13 deletions(-)
diff --git a/drivers/ntb/ntb_hw.c b/drivers/ntb/ntb_hw.c
index 487169dd..53468f4 100644
--- a/drivers/ntb/ntb_hw.c
+++ b/drivers/ntb/ntb_hw.c
@@ -1085,19 +1085,12 @@ static int ntb_setup_msix(struct ntb_device *ndev)
struct msix_entry *msix;
int msix_entries;
int rc, i;
- u16 val;
- if (!pdev->msix_cap) {
- rc = -EIO;
- goto err;
- }
-
- rc = pci_read_config_word(pdev, pdev->msix_cap + PCI_MSIX_FLAGS, &val);
- if (rc)
+ msix_entries = pci_msix_vec_count(pdev);
+ if (msix_entries < 0) {
+ rc = msix_entries;
goto err;
-
- msix_entries = msix_table_size(val);
- if (msix_entries > ndev->limits.msix_cnt) {
+ } else if (msix_entries > ndev->limits.msix_cnt) {
rc = -EINVAL;
goto err;
}
diff --git a/drivers/ntb/ntb_hw.h b/drivers/ntb/ntb_hw.h
index bbdb7ed..d307107 100644
--- a/drivers/ntb/ntb_hw.h
+++ b/drivers/ntb/ntb_hw.h
@@ -60,8 +60,6 @@
#define PCI_DEVICE_ID_INTEL_NTB_SS_HSX 0x2F0F
#define PCI_DEVICE_ID_INTEL_NTB_B2B_BWD 0x0C4E
-#define msix_table_size(control) ((control & PCI_MSIX_FLAGS_QSIZE)+1)
-
#ifndef readq
static inline u64 readq(void __iomem *addr)
{
--
1.7.7.6
--
To unsubscribe from this list: send the line "unsubscribe linux-pci" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
