From mboxrd@z Thu Jan 1 00:00:00 1970 From: YueHaibing Subject: [PATCH net-next] igc: Remove set but not used variables 'ctrl_ext, link_mode' Date: Fri, 19 Oct 2018 12:40:30 +0000 Message-ID: <1539952830-187358-1-git-send-email-yuehaibing@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Cc: YueHaibing , , , To: Jeff Kirsher , Sasha Neftin Return-path: Received: from szxga07-in.huawei.com ([45.249.212.35]:51625 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727175AbeJSUfv (ORCPT ); Fri, 19 Oct 2018 16:35:51 -0400 Sender: netdev-owner@vger.kernel.org List-ID: Fixes gcc '-Wunused-but-set-variable' warning: drivers/net/ethernet/intel/igc/igc_base.c: In function 'igc_init_phy_params_base': drivers/net/ethernet/intel/igc/igc_base.c:240:6: warning: variable 'ctrl_ext' set but not used [-Wunused-but-set-variable] u32 ctrl_ext; drivers/net/ethernet/intel/igc/igc_base.c: In function 'igc_get_invariants_base': drivers/net/ethernet/intel/igc/igc_base.c:290:6: warning: variable 'link_mode' set but not used [-Wunused-but-set-variable] u32 link_mode = 0; It never used since introduction in commit c0071c7aa5fe ("igc: Add HW initialization code") Signed-off-by: YueHaibing --- I'm not sure that reading IGC_CTRL_EXT is necessary. --- drivers/net/ethernet/intel/igc/igc_base.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/drivers/net/ethernet/intel/igc/igc_base.c b/drivers/net/ethernet/intel/igc/igc_base.c index 832da609..df40af7 100644 --- a/drivers/net/ethernet/intel/igc/igc_base.c +++ b/drivers/net/ethernet/intel/igc/igc_base.c @@ -237,7 +237,6 @@ static s32 igc_init_phy_params_base(struct igc_hw *hw) { struct igc_phy_info *phy = &hw->phy; s32 ret_val = 0; - u32 ctrl_ext; if (hw->phy.media_type != igc_media_type_copper) { phy->type = igc_phy_none; @@ -247,8 +246,6 @@ static s32 igc_init_phy_params_base(struct igc_hw *hw) phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT_2500; phy->reset_delay_us = 100; - ctrl_ext = rd32(IGC_CTRL_EXT); - /* set lan id */ hw->bus.func = (rd32(IGC_STATUS) & IGC_STATUS_FUNC_MASK) >> IGC_STATUS_FUNC_SHIFT; @@ -287,8 +284,6 @@ static s32 igc_init_phy_params_base(struct igc_hw *hw) static s32 igc_get_invariants_base(struct igc_hw *hw) { struct igc_mac_info *mac = &hw->mac; - u32 link_mode = 0; - u32 ctrl_ext = 0; s32 ret_val = 0; switch (hw->device_id) { @@ -302,9 +297,6 @@ static s32 igc_get_invariants_base(struct igc_hw *hw) hw->phy.media_type = igc_media_type_copper; - ctrl_ext = rd32(IGC_CTRL_EXT); - link_mode = ctrl_ext & IGC_CTRL_EXT_LINK_MODE_MASK; - /* mac initialization and operations */ ret_val = igc_init_mac_params_base(hw); if (ret_val)