diff options
author | Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:18:27 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:19:04 +0200 |
commit | 6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch) | |
tree | 021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /drivers/net/ethernet/intel/e1000e/phy.c | |
parent | 682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff) | |
parent | a385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff) |
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/intel/e1000e/phy.c')
-rw-r--r-- | drivers/net/ethernet/intel/e1000e/phy.c | 327 |
1 files changed, 136 insertions, 191 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/phy.c b/drivers/net/ethernet/intel/e1000e/phy.c index 8666476cb9b..35b45578c60 100644 --- a/drivers/net/ethernet/intel/e1000e/phy.c +++ b/drivers/net/ethernet/intel/e1000e/phy.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel PRO/1000 Linux driver - Copyright(c) 1999 - 2011 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -26,8 +26,6 @@ *******************************************************************************/ -#include <linux/delay.h> - #include "e1000.h" static s32 e1000_get_phy_cfg_done(struct e1000_hw *hw); @@ -132,30 +130,30 @@ s32 e1000e_get_phy_id(struct e1000_hw *hw) u16 phy_id; u16 retry_count = 0; - if (!(phy->ops.read_reg)) - goto out; + if (!phy->ops.read_reg) + return 0; while (retry_count < 2) { ret_val = e1e_rphy(hw, PHY_ID1, &phy_id); if (ret_val) - goto out; + return ret_val; phy->id = (u32)(phy_id << 16); udelay(20); ret_val = e1e_rphy(hw, PHY_ID2, &phy_id); if (ret_val) - goto out; + return ret_val; phy->id |= (u32)(phy_id & PHY_REVISION_MASK); phy->revision = (u32)(phy_id & ~PHY_REVISION_MASK); if (phy->id != 0 && phy->id != PHY_REVISION_MASK) - goto out; + return 0; retry_count++; } -out: - return ret_val; + + return 0; } /** @@ -382,29 +380,25 @@ static s32 __e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data, s32 ret_val = 0; if (!locked) { - if (!(hw->phy.ops.acquire)) - goto out; + if (!hw->phy.ops.acquire) + return 0; ret_val = hw->phy.ops.acquire(hw); if (ret_val) - goto out; + return ret_val; } - if (offset > MAX_PHY_MULTI_PAGE_REG) { + if (offset > MAX_PHY_MULTI_PAGE_REG) ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, (u16)offset); - if (ret_val) - goto release; - } - - ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, - data); - -release: + if (!ret_val) + ret_val = e1000e_read_phy_reg_mdic(hw, + MAX_PHY_REG_ADDRESS & offset, + data); if (!locked) hw->phy.ops.release(hw); -out: + return ret_val; } @@ -453,30 +447,25 @@ static s32 __e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data, s32 ret_val = 0; if (!locked) { - if (!(hw->phy.ops.acquire)) - goto out; + if (!hw->phy.ops.acquire) + return 0; ret_val = hw->phy.ops.acquire(hw); if (ret_val) - goto out; + return ret_val; } - if (offset > MAX_PHY_MULTI_PAGE_REG) { + if (offset > MAX_PHY_MULTI_PAGE_REG) ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, (u16)offset); - if (ret_val) - goto release; - } - - ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, - data); - -release: + if (!ret_val) + ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & + offset, + data); if (!locked) hw->phy.ops.release(hw); -out: return ret_val; } @@ -523,15 +512,16 @@ static s32 __e1000_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data, bool locked) { u32 kmrnctrlsta; - s32 ret_val = 0; if (!locked) { - if (!(hw->phy.ops.acquire)) - goto out; + s32 ret_val = 0; + + if (!hw->phy.ops.acquire) + return 0; ret_val = hw->phy.ops.acquire(hw); if (ret_val) - goto out; + return ret_val; } kmrnctrlsta = ((offset << E1000_KMRNCTRLSTA_OFFSET_SHIFT) & @@ -547,8 +537,7 @@ static s32 __e1000_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data, if (!locked) hw->phy.ops.release(hw); -out: - return ret_val; + return 0; } /** @@ -596,15 +585,16 @@ static s32 __e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data, bool locked) { u32 kmrnctrlsta; - s32 ret_val = 0; if (!locked) { - if (!(hw->phy.ops.acquire)) - goto out; + s32 ret_val = 0; + + if (!hw->phy.ops.acquire) + return 0; ret_val = hw->phy.ops.acquire(hw); if (ret_val) - goto out; + return ret_val; } kmrnctrlsta = ((offset << E1000_KMRNCTRLSTA_OFFSET_SHIFT) & @@ -617,8 +607,7 @@ static s32 __e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data, if (!locked) hw->phy.ops.release(hw); -out: - return ret_val; + return 0; } /** @@ -663,17 +652,14 @@ s32 e1000_copper_link_setup_82577(struct e1000_hw *hw) /* Enable CRS on Tx. This must be set for half-duplex operation. */ ret_val = e1e_rphy(hw, I82577_CFG_REG, &phy_data); if (ret_val) - goto out; + return ret_val; phy_data |= I82577_CFG_ASSERT_CRS_ON_TX; /* Enable downshift */ phy_data |= I82577_CFG_ENABLE_DOWNSHIFT; - ret_val = e1e_wphy(hw, I82577_CFG_REG, phy_data); - -out: - return ret_val; + return e1e_wphy(hw, I82577_CFG_REG, phy_data); } /** @@ -1019,12 +1005,12 @@ static s32 e1000_phy_setup_autoneg(struct e1000_hw *hw) * The possible values of the "fc" parameter are: * 0: Flow control is completely disabled * 1: Rx flow control is enabled (we can receive pause frames - * but not send pause frames). + * but not send pause frames). * 2: Tx flow control is enabled (we can send pause frames - * but we do not support receiving pause frames). + * but we do not support receiving pause frames). * 3: Both Rx and Tx flow control (symmetric) are enabled. * other: No software override. The flow control configuration - * in the EEPROM is used. + * in the EEPROM is used. */ switch (hw->fc.current_mode) { case e1000_fc_none: @@ -1064,8 +1050,7 @@ static s32 e1000_phy_setup_autoneg(struct e1000_hw *hw) break; default: e_dbg("Flow control param set incorrectly\n"); - ret_val = -E1000_ERR_CONFIG; - return ret_val; + return -E1000_ERR_CONFIG; } ret_val = e1e_wphy(hw, PHY_AUTONEG_ADV, mii_autoneg_adv_reg); @@ -1136,13 +1121,12 @@ static s32 e1000_copper_link_autoneg(struct e1000_hw *hw) if (phy->autoneg_wait_to_complete) { ret_val = e1000_wait_autoneg(hw); if (ret_val) { - e_dbg("Error while waiting for " - "autoneg to complete\n"); + e_dbg("Error while waiting for autoneg to complete\n"); return ret_val; } } - hw->mac.get_link_status = 1; + hw->mac.get_link_status = true; return ret_val; } @@ -1186,16 +1170,14 @@ s32 e1000e_setup_copper_link(struct e1000_hw *hw) * Check link status. Wait up to 100 microseconds for link to become * valid. */ - ret_val = e1000e_phy_has_link_generic(hw, - COPPER_LINK_UP_LIMIT, - 10, - &link); + ret_val = e1000e_phy_has_link_generic(hw, COPPER_LINK_UP_LIMIT, 10, + &link); if (ret_val) return ret_val; if (link) { e_dbg("Valid link established!!!\n"); - e1000e_config_collision_dist(hw); + hw->mac.ops.config_collision_dist(hw); ret_val = e1000e_config_fc_after_link_up(hw); } else { e_dbg("Unable to establish link!!!\n"); @@ -1251,10 +1233,8 @@ s32 e1000e_phy_force_speed_duplex_igp(struct e1000_hw *hw) if (phy->autoneg_wait_to_complete) { e_dbg("Waiting for forced speed/duplex link on IGP phy.\n"); - ret_val = e1000e_phy_has_link_generic(hw, - PHY_FORCE_LIMIT, - 100000, - &link); + ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT, + 100000, &link); if (ret_val) return ret_val; @@ -1262,12 +1242,8 @@ s32 e1000e_phy_force_speed_duplex_igp(struct e1000_hw *hw) e_dbg("Link taking longer than expected.\n"); /* Try once more */ - ret_val = e1000e_phy_has_link_generic(hw, - PHY_FORCE_LIMIT, - 100000, - &link); - if (ret_val) - return ret_val; + ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT, + 100000, &link); } return ret_val; @@ -1401,25 +1377,25 @@ s32 e1000_phy_force_speed_duplex_ife(struct e1000_hw *hw) ret_val = e1e_rphy(hw, PHY_CONTROL, &data); if (ret_val) - goto out; + return ret_val; e1000e_phy_force_speed_duplex_setup(hw, &data); ret_val = e1e_wphy(hw, PHY_CONTROL, data); if (ret_val) - goto out; + return ret_val; /* Disable MDI-X support for 10/100 */ ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data); if (ret_val) - goto out; + return ret_val; data &= ~IFE_PMC_AUTO_MDIX; data &= ~IFE_PMC_FORCE_MDIX; ret_val = e1e_wphy(hw, IFE_PHY_MDIX_CONTROL, data); if (ret_val) - goto out; + return ret_val; e_dbg("IFE PMC: %X\n", data); @@ -1428,27 +1404,22 @@ s32 e1000_phy_force_speed_duplex_ife(struct e1000_hw *hw) if (phy->autoneg_wait_to_complete) { e_dbg("Waiting for forced speed/duplex link on IFE phy.\n"); - ret_val = e1000e_phy_has_link_generic(hw, - PHY_FORCE_LIMIT, - 100000, - &link); + ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT, + 100000, &link); if (ret_val) - goto out; + return ret_val; if (!link) e_dbg("Link taking longer than expected.\n"); /* Try once more */ - ret_val = e1000e_phy_has_link_generic(hw, - PHY_FORCE_LIMIT, - 100000, - &link); + ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT, + 100000, &link); if (ret_val) - goto out; + return ret_val; } -out: - return ret_val; + return 0; } /** @@ -1506,7 +1477,7 @@ void e1000e_phy_force_speed_duplex_setup(struct e1000_hw *hw, u16 *phy_ctrl) e_dbg("Forcing 10mb\n"); } - e1000e_config_collision_dist(hw); + hw->mac.ops.config_collision_dist(hw); ew32(CTRL, ctrl); } @@ -1833,22 +1804,20 @@ s32 e1000e_get_cable_length_m88(struct e1000_hw *hw) ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data); if (ret_val) - goto out; + return ret_val; index = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >> M88E1000_PSSR_CABLE_LENGTH_SHIFT; - if (index >= M88E1000_CABLE_LENGTH_TABLE_SIZE - 1) { - ret_val = -E1000_ERR_PHY; - goto out; - } + + if (index >= M88E1000_CABLE_LENGTH_TABLE_SIZE - 1) + return -E1000_ERR_PHY; phy->min_cable_length = e1000_m88_cable_length_table[index]; phy->max_cable_length = e1000_m88_cable_length_table[index + 1]; phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2; -out: - return ret_val; + return 0; } /** @@ -1918,7 +1887,7 @@ s32 e1000e_get_cable_length_igp_2(struct e1000_hw *hw) phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2; - return ret_val; + return 0; } /** @@ -2073,24 +2042,23 @@ s32 e1000_get_phy_info_ife(struct e1000_hw *hw) ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link); if (ret_val) - goto out; + return ret_val; if (!link) { e_dbg("Phy info is only valid if link is up\n"); - ret_val = -E1000_ERR_CONFIG; - goto out; + return -E1000_ERR_CONFIG; } ret_val = e1e_rphy(hw, IFE_PHY_SPECIAL_CONTROL, &data); if (ret_val) - goto out; + return ret_val; phy->polarity_correction = (data & IFE_PSC_AUTO_POLARITY_DISABLE) ? false : true; if (phy->polarity_correction) { ret_val = e1000_check_polarity_ife(hw); if (ret_val) - goto out; + return ret_val; } else { /* Polarity is forced */ phy->cable_polarity = (data & IFE_PSC_FORCE_POLARITY) @@ -2100,7 +2068,7 @@ s32 e1000_get_phy_info_ife(struct e1000_hw *hw) ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data); if (ret_val) - goto out; + return ret_val; phy->is_mdix = (data & IFE_PMC_MDIX_STATUS) ? true : false; @@ -2109,8 +2077,7 @@ s32 e1000_get_phy_info_ife(struct e1000_hw *hw) phy->local_rx = e1000_1000t_rx_status_undefined; phy->remote_rx = e1000_1000t_rx_status_undefined; -out: - return ret_val; + return 0; } /** @@ -2154,7 +2121,7 @@ s32 e1000e_phy_hw_reset_generic(struct e1000_hw *hw) s32 ret_val; u32 ctrl; - ret_val = e1000_check_reset_block(hw); + ret_val = phy->ops.check_reset_block(hw); if (ret_val) return 0; @@ -2188,6 +2155,7 @@ s32 e1000e_phy_hw_reset_generic(struct e1000_hw *hw) s32 e1000e_get_cfg_done(struct e1000_hw *hw) { mdelay(10); + return 0; } @@ -2369,7 +2337,6 @@ enum e1000_phy_type e1000e_get_phy_type_from_id(u32 phy_id) **/ s32 e1000e_determine_phy_address(struct e1000_hw *hw) { - s32 ret_val = -E1000_ERR_PHY_TYPE; u32 phy_addr = 0; u32 i; enum e1000_phy_type phy_type = e1000_phy_unknown; @@ -2388,17 +2355,15 @@ s32 e1000e_determine_phy_address(struct e1000_hw *hw) * If phy_type is valid, break - we found our * PHY address */ - if (phy_type != e1000_phy_unknown) { - ret_val = 0; - goto out; - } + if (phy_type != e1000_phy_unknown) + return 0; + usleep_range(1000, 2000); i++; } while (i < 10); } -out: - return ret_val; + return -E1000_ERR_PHY_TYPE; } /** @@ -2439,7 +2404,7 @@ s32 e1000e_write_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 data) if (page == BM_WUC_PAGE) { ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, &data, false, false); - goto out; + goto release; } hw->phy.addr = e1000_get_phy_addr_for_bm_page(page, offset); @@ -2464,13 +2429,13 @@ s32 e1000e_write_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 data) ret_val = e1000e_write_phy_reg_mdic(hw, page_select, (page << page_shift)); if (ret_val) - goto out; + goto release; } ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, data); -out: +release: hw->phy.ops.release(hw); return ret_val; } @@ -2498,7 +2463,7 @@ s32 e1000e_read_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 *data) if (page == BM_WUC_PAGE) { ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, data, true, false); - goto out; + goto release; } hw->phy.addr = e1000_get_phy_addr_for_bm_page(page, offset); @@ -2523,12 +2488,12 @@ s32 e1000e_read_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 *data) ret_val = e1000e_write_phy_reg_mdic(hw, page_select, (page << page_shift)); if (ret_val) - goto out; + goto release; } ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, data); -out: +release: hw->phy.ops.release(hw); return ret_val; } @@ -2556,7 +2521,7 @@ s32 e1000e_read_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 *data) if (page == BM_WUC_PAGE) { ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, data, true, false); - goto out; + goto release; } hw->phy.addr = 1; @@ -2568,12 +2533,12 @@ s32 e1000e_read_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 *data) page); if (ret_val) - goto out; + goto release; } ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, data); -out: +release: hw->phy.ops.release(hw); return ret_val; } @@ -2600,7 +2565,7 @@ s32 e1000e_write_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 data) if (page == BM_WUC_PAGE) { ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, &data, false, false); - goto out; + goto release; } hw->phy.addr = 1; @@ -2611,13 +2576,13 @@ s32 e1000e_write_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 data) page); if (ret_val) - goto out; + goto release; } ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, data); -out: +release: hw->phy.ops.release(hw); return ret_val; } @@ -2642,14 +2607,14 @@ s32 e1000_enable_phy_wakeup_reg_access_bm(struct e1000_hw *hw, u16 *phy_reg) ret_val = e1000_set_page_igp(hw, (BM_PORT_CTRL_PAGE << IGP_PAGE_SHIFT)); if (ret_val) { e_dbg("Could not set Port Control page\n"); - goto out; + return ret_val; } ret_val = e1000e_read_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, phy_reg); if (ret_val) { e_dbg("Could not read PHY register %d.%d\n", BM_PORT_CTRL_PAGE, BM_WUC_ENABLE_REG); - goto out; + return ret_val; } /* @@ -2664,15 +2629,14 @@ s32 e1000_enable_phy_wakeup_reg_access_bm(struct e1000_hw *hw, u16 *phy_reg) if (ret_val) { e_dbg("Could not write PHY register %d.%d\n", BM_PORT_CTRL_PAGE, BM_WUC_ENABLE_REG); - goto out; + return ret_val; } - /* Select Host Wakeup Registers page */ - ret_val = e1000_set_page_igp(hw, (BM_WUC_PAGE << IGP_PAGE_SHIFT)); - - /* caller now able to write registers on the Wakeup registers page */ -out: - return ret_val; + /* + * Select Host Wakeup Registers page - caller now able to write + * registers on the Wakeup registers page + */ + return e1000_set_page_igp(hw, (BM_WUC_PAGE << IGP_PAGE_SHIFT)); } /** @@ -2694,7 +2658,7 @@ s32 e1000_disable_phy_wakeup_reg_access_bm(struct e1000_hw *hw, u16 *phy_reg) ret_val = e1000_set_page_igp(hw, (BM_PORT_CTRL_PAGE << IGP_PAGE_SHIFT)); if (ret_val) { e_dbg("Could not set Port Control page\n"); - goto out; + return ret_val; } /* Restore 769.17 to its original value */ @@ -2702,7 +2666,7 @@ s32 e1000_disable_phy_wakeup_reg_access_bm(struct e1000_hw *hw, u16 *phy_reg) if (ret_val) e_dbg("Could not restore PHY register %d.%d\n", BM_PORT_CTRL_PAGE, BM_WUC_ENABLE_REG); -out: + return ret_val; } @@ -2750,7 +2714,7 @@ static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset, ret_val = e1000_enable_phy_wakeup_reg_access_bm(hw, &phy_reg); if (ret_val) { e_dbg("Could not enable PHY wakeup reg access\n"); - goto out; + return ret_val; } } @@ -2760,7 +2724,7 @@ static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset, ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_ADDRESS_OPCODE, reg); if (ret_val) { e_dbg("Could not write address opcode to page %d\n", page); - goto out; + return ret_val; } if (read) { @@ -2775,13 +2739,12 @@ static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset, if (ret_val) { e_dbg("Could not access PHY reg %d.%d\n", page, reg); - goto out; + return ret_val; } if (!page_set) ret_val = e1000_disable_phy_wakeup_reg_access_bm(hw, &phy_reg); -out: return ret_val; } @@ -3137,7 +3100,7 @@ static s32 e1000_access_phy_debug_regs_hv(struct e1000_hw *hw, u32 offset, ret_val = e1000e_write_phy_reg_mdic(hw, addr_reg, (u16)offset & 0x3F); if (ret_val) { e_dbg("Could not write the Address Offset port register\n"); - goto out; + return ret_val; } /* Read or write the data value next */ @@ -3146,12 +3109,9 @@ static s32 e1000_access_phy_debug_regs_hv(struct e1000_hw *hw, u32 offset, else ret_val = e1000e_write_phy_reg_mdic(hw, data_reg, *data); - if (ret_val) { + if (ret_val) e_dbg("Could not access the Data port register\n"); - goto out; - } -out: return ret_val; } @@ -3172,39 +3132,34 @@ s32 e1000_link_stall_workaround_hv(struct e1000_hw *hw) u16 data; if (hw->phy.type != e1000_phy_82578) - goto out; + return 0; /* Do not apply workaround if in PHY loopback bit 14 set */ e1e_rphy(hw, PHY_CONTROL, &data); if (data & PHY_CONTROL_LB) - goto out; + return 0; /* check if link is up and at 1Gbps */ ret_val = e1e_rphy(hw, BM_CS_STATUS, &data); if (ret_val) - goto out; + return ret_val; - data &= BM_CS_STATUS_LINK_UP | - BM_CS_STATUS_RESOLVED | - BM_CS_STATUS_SPEED_MASK; + data &= BM_CS_STATUS_LINK_UP | BM_CS_STATUS_RESOLVED | + BM_CS_STATUS_SPEED_MASK; - if (data != (BM_CS_STATUS_LINK_UP | - BM_CS_STATUS_RESOLVED | - BM_CS_STATUS_SPEED_1000)) - goto out; + if (data != (BM_CS_STATUS_LINK_UP | BM_CS_STATUS_RESOLVED | + BM_CS_STATUS_SPEED_1000)) + return 0; - mdelay(200); + msleep(200); /* flush the packets in the fifo buffer */ ret_val = e1e_wphy(hw, HV_MUX_DATA_CTRL, HV_MUX_DATA_CTRL_GEN_TO_MAC | HV_MUX_DATA_CTRL_FORCE_SPEED); if (ret_val) - goto out; - - ret_val = e1e_wphy(hw, HV_MUX_DATA_CTRL, HV_MUX_DATA_CTRL_GEN_TO_MAC); + return ret_val; -out: - return ret_val; + return e1e_wphy(hw, HV_MUX_DATA_CTRL, HV_MUX_DATA_CTRL_GEN_TO_MAC); } /** @@ -3246,39 +3201,32 @@ s32 e1000_phy_force_speed_duplex_82577(struct e1000_hw *hw) ret_val = e1e_rphy(hw, PHY_CONTROL, &phy_data); if (ret_val) - goto out; + return ret_val; e1000e_phy_force_speed_duplex_setup(hw, &phy_data); ret_val = e1e_wphy(hw, PHY_CONTROL, phy_data); if (ret_val) - goto out; + return ret_val; udelay(1); if (phy->autoneg_wait_to_complete) { e_dbg("Waiting for forced speed/duplex link on 82577 phy\n"); - ret_val = e1000e_phy_has_link_generic(hw, - PHY_FORCE_LIMIT, - 100000, - &link); + ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT, + 100000, &link); if (ret_val) - goto out; + return ret_val; if (!link) e_dbg("Link taking longer than expected.\n"); /* Try once more */ - ret_val = e1000e_phy_has_link_generic(hw, - PHY_FORCE_LIMIT, - 100000, - &link); - if (ret_val) - goto out; + ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT, + 100000, &link); } -out: return ret_val; } @@ -3300,23 +3248,22 @@ s32 e1000_get_phy_info_82577(struct e1000_hw *hw) ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link); if (ret_val) - goto out; + return ret_val; if (!link) { e_dbg("Phy info is only valid if link is up\n"); - ret_val = -E1000_ERR_CONFIG; - goto out; + return -E1000_ERR_CONFIG; } phy->polarity_correction = true; ret_val = e1000_check_polarity_82577(hw); if (ret_val) - goto out; + return ret_val; ret_val = e1e_rphy(hw, I82577_PHY_STATUS_2, &data); if (ret_val) - goto out; + return ret_val; phy->is_mdix = (data & I82577_PHY_STATUS2_MDIX) ? true : false; @@ -3324,11 +3271,11 @@ s32 e1000_get_phy_info_82577(struct e1000_hw *hw) I82577_PHY_STATUS2_SPEED_1000MBPS) { ret_val = hw->phy.ops.get_cable_length(hw); if (ret_val) - goto out; + return ret_val; ret_val = e1e_rphy(hw, PHY_1000T_STATUS, &data); if (ret_val) - goto out; + return ret_val; phy->local_rx = (data & SR_1000T_LOCAL_RX_STATUS) ? e1000_1000t_rx_status_ok @@ -3343,8 +3290,7 @@ s32 e1000_get_phy_info_82577(struct e1000_hw *hw) phy->remote_rx = e1000_1000t_rx_status_undefined; } -out: - return ret_val; + return 0; } /** @@ -3362,7 +3308,7 @@ s32 e1000_get_cable_length_82577(struct e1000_hw *hw) ret_val = e1e_rphy(hw, I82577_PHY_DIAG_STATUS, &phy_data); if (ret_val) - goto out; + return ret_val; length = (phy_data & I82577_DSTATUS_CABLE_LENGTH) >> I82577_DSTATUS_CABLE_LENGTH_SHIFT; @@ -3372,6 +3318,5 @@ s32 e1000_get_cable_length_82577(struct e1000_hw *hw) phy->cable_length = length; -out: - return ret_val; + return 0; } |