From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wenzhuo Lu Subject: [PATCH 09/16] e1000/base: increase LANPHYPC low duration Date: Wed, 23 Nov 2016 12:22:53 -0500 Message-ID: <1479921780-9813-10-git-send-email-wenzhuo.lu@intel.com> References: <1479921780-9813-1-git-send-email-wenzhuo.lu@intel.com> Cc: Wenzhuo Lu To: dev@dpdk.org Return-path: Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by dpdk.org (Postfix) with ESMTP id 4EFE229D6 for ; Thu, 24 Nov 2016 02:32:14 +0100 (CET) In-Reply-To: <1479921780-9813-1-git-send-email-wenzhuo.lu@intel.com> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" LANPHYPC low duration of 10 usec was too low for some corner cases causing interface mismatches during Ultra Low Power (ULP) exit. This patch increases the duration to 1 msec which should be enough. Signed-off-by: Wenzhuo Lu --- drivers/net/e1000/base/e1000_ich8lan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/e1000/base/e1000_ich8lan.c b/drivers/net/e1000/base/e1000_ich8lan.c index 212526f..0ac982c 100644 --- a/drivers/net/e1000/base/e1000_ich8lan.c +++ b/drivers/net/e1000/base/e1000_ich8lan.c @@ -277,7 +277,7 @@ STATIC void e1000_toggle_lanphypc_pch_lpt(struct e1000_hw *hw) mac_reg &= ~E1000_CTRL_LANPHYPC_VALUE; E1000_WRITE_REG(hw, E1000_CTRL, mac_reg); E1000_WRITE_FLUSH(hw); - usec_delay(10); + msec_delay(1); mac_reg &= ~E1000_CTRL_LANPHYPC_OVERRIDE; E1000_WRITE_REG(hw, E1000_CTRL, mac_reg); E1000_WRITE_FLUSH(hw); -- 1.9.3