e1000e: Increase ULP timer

Due to system level changes introduced in Skylake, ULP exit takes
significantly longer to occur.  Therefore, driver must wait longer for.

Signed-off-by: Raanan Avargil <raanan.avargil@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
index a049e30..c731465 100644 (file)
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c
@@ -1252,9 +1252,9 @@ static s32 e1000_disable_ulp_lpt_lp(struct e1000_hw *hw, bool force)
                        ew32(H2ME, mac_reg);
                }
 
-               /* Poll up to 100msec for ME to clear ULP_CFG_DONE */
+               /* Poll up to 300msec for ME to clear ULP_CFG_DONE. */
                while (er32(FWSM) & E1000_FWSM_ULP_CFG_DONE) {
-                       if (i++ == 10) {
+                       if (i++ == 30) {
                                ret_val = -E1000_ERR_PHY;
                                goto out;
                        }