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-rw-r--r--drivers/net/ethernet/cavium/thunder/thunder_bgx.c4
-rw-r--r--drivers/net/ethernet/cavium/thunder/thunder_bgx.h2
2 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
index 8bbaedbb7b94..050e21fbb147 100644
--- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
+++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
@@ -1242,8 +1242,8 @@ static int bgx_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
pci_read_config_word(pdev, PCI_DEVICE_ID, &sdevid);
if (sdevid != PCI_DEVICE_ID_THUNDER_RGX) {
- bgx->bgx_id =
- (pci_resource_start(pdev, PCI_CFG_REG_BAR_NUM) >> 24) & 1;
+ bgx->bgx_id = (pci_resource_start(pdev,
+ PCI_CFG_REG_BAR_NUM) >> 24) & BGX_ID_MASK;
bgx->bgx_id += nic_get_node_id(pdev) * MAX_BGX_PER_NODE;
bgx->max_lmac = MAX_LMAC_PER_BGX;
bgx_vnic[bgx->bgx_id] = bgx;
diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.h b/drivers/net/ethernet/cavium/thunder/thunder_bgx.h
index d59c71e4a000..01cc7c859131 100644
--- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.h
+++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.h
@@ -28,6 +28,8 @@
#define MAX_DMAC_PER_LMAC 8
#define MAX_FRAME_SIZE 9216
+#define BGX_ID_MASK 0x3
+
#define MAX_DMAC_PER_LMAC_TNS_BYPASS_MODE 2
/* Registers */