From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wenzhuo Lu Subject: [PATCH 01/16] e1000/base: increased ULP timer Date: Wed, 23 Nov 2016 12:22:45 -0500 Message-ID: <1479921780-9813-2-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 D4E8C2BA3 for ; Thu, 24 Nov 2016 02:32:06 +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" Due to new HW introduced, Ultra Low Power (ULP) exit takes significantly longer than existing ULP. Therefore, driver must wait longer for this to occur. Signed-off-by: Wenzhuo Lu --- drivers/net/e1000/base/e1000_ich8lan.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/e1000/base/e1000_ich8lan.c b/drivers/net/e1000/base/e1000_ich8lan.c index 89d07e9..4a5cef0 100644 --- a/drivers/net/e1000/base/e1000_ich8lan.c +++ b/drivers/net/e1000/base/e1000_ich8lan.c @@ -1240,10 +1240,10 @@ s32 e1000_disable_ulp_lpt_lp(struct e1000_hw *hw, bool force) E1000_WRITE_REG(hw, E1000_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 (E1000_READ_REG(hw, E1000_FWSM) & E1000_FWSM_ULP_CFG_DONE) { - if (i++ == 10) { + if (i++ == 30) { ret_val = -E1000_ERR_PHY; goto out; } -- 1.9.3