bnx2x: missing ARI should not be lethal

If ARI forwarding flag is missing from the PCI bridge, remove SR-IOV
support instead of failing the probe process.

Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
index faadd15..ad7ad1d 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
@@ -1932,20 +1932,22 @@ int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param,
 
        /* SRIOV can be enabled only with MSIX */
        if (int_mode_param == BNX2X_INT_MODE_MSI ||
-           int_mode_param == BNX2X_INT_MODE_INTX)
+           int_mode_param == BNX2X_INT_MODE_INTX) {
                BNX2X_ERR("Forced MSI/INTx mode is incompatible with SRIOV\n");
+               return 0;
+       }
 
        err = -EIO;
        /* verify ari is enabled */
        if (!bnx2x_ari_enabled(bp->pdev)) {
-               BNX2X_ERR("ARI not supported, SRIOV can not be enabled\n");
-               return err;
+               BNX2X_ERR("ARI not supported (check pci bridge ARI forwarding), SRIOV can not be enabled\n");
+               return 0;
        }
 
        /* verify igu is in normal mode */
        if (CHIP_INT_MODE_IS_BC(bp)) {
                BNX2X_ERR("IGU not normal mode,  SRIOV can not be enabled\n");
-               return err;
+               return 0;
        }
 
        /* allocate the vfs database */