From patchwork Wed Oct 14 06:34:10 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wenzhuo Lu X-Patchwork-Id: 7570 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 6F5998E68; Wed, 14 Oct 2015 08:35:00 +0200 (CEST) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id 8A2688E8F for ; Wed, 14 Oct 2015 08:34:59 +0200 (CEST) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga101.fm.intel.com with ESMTP; 13 Oct 2015 23:34:58 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,681,1437462000"; d="scan'208";a="826249968" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by orsmga002.jf.intel.com with ESMTP; 13 Oct 2015 23:34:57 -0700 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id t9E6Yuim032049; Wed, 14 Oct 2015 14:34:56 +0800 Received: from shecgisg004.sh.intel.com (localhost [127.0.0.1]) by shecgisg004.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP id t9E6YqQ5014910; Wed, 14 Oct 2015 14:34:54 +0800 Received: (from wenzhuol@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id t9E6YqU5014906; Wed, 14 Oct 2015 14:34:52 +0800 From: Wenzhuo Lu To: dev@dpdk.org Date: Wed, 14 Oct 2015 14:34:10 +0800 Message-Id: <1444804479-14840-6-git-send-email-wenzhuo.lu@intel.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1444804479-14840-1-git-send-email-wenzhuo.lu@intel.com> References: <1444804479-14840-1-git-send-email-wenzhuo.lu@intel.com> Subject: [dpdk-dev] [PATCH 05/34] e1000/base: redundant PHY power down for i210 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list 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" The wrong bit is being used in PHYREG16 for PHY power down. In addition, the use of PHYREG 16 is unnecessary if bit 11 of PHYREG 0 is used. Signed-off-by: Wenzhuo Lu --- drivers/net/e1000/base/e1000_phy.c | 15 --------------- drivers/net/e1000/base/e1000_phy.h | 1 - 2 files changed, 16 deletions(-) diff --git a/drivers/net/e1000/base/e1000_phy.c b/drivers/net/e1000/base/e1000_phy.c index 7620ecf..6bbb379 100644 --- a/drivers/net/e1000/base/e1000_phy.c +++ b/drivers/net/e1000/base/e1000_phy.c @@ -3498,16 +3498,10 @@ STATIC s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset, void e1000_power_up_phy_copper(struct e1000_hw *hw) { u16 mii_reg = 0; - u16 power_reg = 0; /* The PHY will retain its settings across a power down/up cycle */ hw->phy.ops.read_reg(hw, PHY_CONTROL, &mii_reg); mii_reg &= ~MII_CR_POWER_DOWN; - if (hw->phy.type == e1000_phy_i210) { - hw->phy.ops.read_reg(hw, GS40G_COPPER_SPEC, &power_reg); - power_reg &= ~GS40G_CS_POWER_DOWN; - hw->phy.ops.write_reg(hw, GS40G_COPPER_SPEC, power_reg); - } hw->phy.ops.write_reg(hw, PHY_CONTROL, mii_reg); } @@ -3522,17 +3516,10 @@ void e1000_power_up_phy_copper(struct e1000_hw *hw) void e1000_power_down_phy_copper(struct e1000_hw *hw) { u16 mii_reg = 0; - u16 power_reg = 0; /* The PHY will retain its settings across a power down/up cycle */ hw->phy.ops.read_reg(hw, PHY_CONTROL, &mii_reg); mii_reg |= MII_CR_POWER_DOWN; - /* i210 Phy requires an additional bit for power up/down */ - if (hw->phy.type == e1000_phy_i210) { - hw->phy.ops.read_reg(hw, GS40G_COPPER_SPEC, &power_reg); - power_reg |= GS40G_CS_POWER_DOWN; - hw->phy.ops.write_reg(hw, GS40G_COPPER_SPEC, power_reg); - } hw->phy.ops.write_reg(hw, PHY_CONTROL, mii_reg); msec_delay(1); } @@ -3563,7 +3550,6 @@ STATIC s32 __e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data, if (ret_val) return ret_val; } - /* Page 800 works differently than the rest so it has its own func */ if (page == BM_WUC_PAGE) { ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, data, @@ -3673,7 +3659,6 @@ STATIC s32 __e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data, if (ret_val) return ret_val; } - /* Page 800 works differently than the rest so it has its own func */ if (page == BM_WUC_PAGE) { ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, &data, diff --git a/drivers/net/e1000/base/e1000_phy.h b/drivers/net/e1000/base/e1000_phy.h index b30b36e..2b78af0 100644 --- a/drivers/net/e1000/base/e1000_phy.h +++ b/drivers/net/e1000/base/e1000_phy.h @@ -143,7 +143,6 @@ bool e1000_is_mphy_ready(struct e1000_hw *hw); #define GS40G_MAC_LB 0x4140 #define GS40G_MAC_SPEED_1G 0X0006 #define GS40G_COPPER_SPEC 0x0010 -#define GS40G_CS_POWER_DOWN 0x0002 /* BM/HV Specific Registers */ #define BM_PORT_CTRL_PAGE 769