From: Raanan Avargil <raanan.avargil@intel.com>
Date: Tue, 22 Dec 2015 13:35:01 +0000 (+0200)
Subject: e1000e: Increase ULP timer
X-Git-Tag: v4.9.8~2476^2~172^2~14
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6721e9d568741ced04b1fe6eed42f2ddf585eac4;p=platform%2Fkernel%2Flinux-rpi3.git

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
--- 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;
 			}