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path: root/drivers/net/ethernet/cavium/thunder/nic_main.c
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Diffstat (limited to 'drivers/net/ethernet/cavium/thunder/nic_main.c')
-rw-r--r--drivers/net/ethernet/cavium/thunder/nic_main.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/net/ethernet/cavium/thunder/nic_main.c b/drivers/net/ethernet/cavium/thunder/nic_main.c
index d6e3219ddeb3..52e1acb69562 100644
--- a/drivers/net/ethernet/cavium/thunder/nic_main.c
+++ b/drivers/net/ethernet/cavium/thunder/nic_main.c
@@ -22,7 +22,6 @@
struct nicpf {
struct pci_dev *pdev;
- u8 rev_id;
u8 node;
unsigned int flags;
u8 num_vf_en; /* No of VF enabled */
@@ -54,6 +53,11 @@ struct nicpf {
bool irq_allocated[NIC_PF_MSIX_VECTORS];
};
+static inline bool pass1_silicon(struct nicpf *nic)
+{
+ return nic->pdev->revision < 8;
+}
+
/* Supported devices */
static const struct pci_device_id nic_id_table[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVICE_ID_THUNDER_NIC_PF) },
@@ -117,7 +121,7 @@ static void nic_send_msg_to_vf(struct nicpf *nic, int vf, union nic_mbx *mbx)
* when PF writes to MBOX(1), in next revisions when
* PF writes to MBOX(0)
*/
- if (nic->rev_id == 0) {
+ if (pass1_silicon(nic)) {
/* see the comment for nic_reg_write()/nic_reg_read()
* functions above
*/
@@ -998,8 +1002,6 @@ static int nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
goto err_release_regions;
}
- pci_read_config_byte(pdev, PCI_REVISION_ID, &nic->rev_id);
-
nic->node = nic_get_node_id(pdev);
nic_set_lmac_vf_mapping(nic);