i40e: Increase the amount of time we wait for reset to be done

In some rare cases the reset can take longer to complete so increase the
amount of time we wait.

Change-ID: Ib5628ec54b526a811ee33d1214fe763226406671
Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c
index 6833717..1e81f4e 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_common.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_common.c
@@ -1256,7 +1256,7 @@ i40e_status i40e_pf_reset(struct i40e_hw *hw)
        grst_del = (rd32(hw, I40E_GLGEN_RSTCTL) &
                    I40E_GLGEN_RSTCTL_GRSTDEL_MASK) >>
                    I40E_GLGEN_RSTCTL_GRSTDEL_SHIFT;
-       for (cnt = 0; cnt < grst_del + 2; cnt++) {
+       for (cnt = 0; cnt < grst_del + 10; cnt++) {
                reg = rd32(hw, I40E_GLGEN_RSTAT);
                if (!(reg & I40E_GLGEN_RSTAT_DEVSTATE_MASK))
                        break;