i40e: print message for pre-production hardware

The driver and hardware are not expected to work correctly
with revision_id 0 hardware.  Don't prevent the user from
using it, but be sure to print a warning.

Change-ID: I3712d34752bfad458078a5f35dfd0aa0ae9fd20e
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index a08f5a0..105d754 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -8298,6 +8298,10 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
        i40e_verify_eeprom(pf);
 
+       /* Rev 0 hardware was never productized */
+       if (hw->revision_id < 1)
+               dev_warn(&pdev->dev, "This device is a pre-production adapter/LOM. Please be aware there may be issues with your hardware. If you are experiencing problems please contact your Intel or hardware representative who provided you with this hardware.\n");
+
        i40e_clear_pxe_mode(hw);
        err = i40e_get_capabilities(pf);
        if (err)