diff options
author | David S. Miller <davem@davemloft.net> | 2012-02-14 03:47:20 +0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2012-02-14 03:47:20 +0400 |
commit | 16dc459cee56cef26014462180bfb9b14a38a96b (patch) | |
tree | 34a75b52ca65d4293d83bbedb4e9613b2e034dc7 | |
parent | 2132cf64371a20f5c427da42f9f9e7e99bc5fb88 (diff) | |
parent | 5015e53a4cf0c88977120faede7eb02b0459d90e (diff) | |
download | linux-16dc459cee56cef26014462180bfb9b14a38a96b.tar.xz |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next
-rw-r--r-- | drivers/net/ethernet/intel/e1000e/80003es2lan.c | 36 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/e1000e/82571.c | 36 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/e1000e/ich8lan.c | 220 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/e1000e/mac.c | 25 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/e1000e/manage.c | 32 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/e1000e/netdev.c | 16 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/e1000e/nvm.c | 32 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/e1000e/phy.c | 241 |
8 files changed, 265 insertions, 373 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/80003es2lan.c b/drivers/net/ethernet/intel/e1000e/80003es2lan.c index cfb361e5f498..bc960fed8bf6 100644 --- a/drivers/net/ethernet/intel/e1000e/80003es2lan.c +++ b/drivers/net/ethernet/intel/e1000e/80003es2lan.c @@ -470,9 +470,8 @@ static s32 e1000_read_phy_reg_gg82563_80003es2lan(struct e1000_hw *hw, ret_val = e1000e_read_phy_reg_mdic(hw, page_select, &temp); if (((u16)offset >> GG82563_PAGE_SHIFT) != temp) { - ret_val = -E1000_ERR_PHY; e1000_release_phy_80003es2lan(hw); - return ret_val; + return -E1000_ERR_PHY; } udelay(200); @@ -715,22 +714,19 @@ static s32 e1000_get_cable_length_80003es2lan(struct e1000_hw *hw) ret_val = e1e_rphy(hw, GG82563_PHY_DSP_DISTANCE, &phy_data); if (ret_val) - goto out; + return ret_val; index = phy_data & GG82563_DSPD_CABLE_LENGTH; - if (index >= GG82563_CABLE_LENGTH_TABLE_SIZE - 5) { - ret_val = -E1000_ERR_PHY; - goto out; - } + if (index >= GG82563_CABLE_LENGTH_TABLE_SIZE - 5) + return -E1000_ERR_PHY; phy->min_cable_length = e1000_gg82563_cable_length_table[index]; phy->max_cable_length = e1000_gg82563_cable_length_table[index + 5]; phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2; -out: - return ret_val; + return 0; } /** @@ -804,9 +800,7 @@ static s32 e1000_reset_hw_80003es2lan(struct e1000_hw *hw) ew32(IMC, 0xffffffff); er32(ICR); - ret_val = e1000_check_alt_mac_addr_generic(hw); - - return ret_val; + return e1000_check_alt_mac_addr_generic(hw); } /** @@ -1147,9 +1141,7 @@ static s32 e1000_setup_copper_link_80003es2lan(struct e1000_hw *hw) if (ret_val) return ret_val; - ret_val = e1000e_setup_copper_link(hw); - - return 0; + return e1000e_setup_copper_link(hw); } /** @@ -1225,9 +1217,7 @@ static s32 e1000_cfg_kmrn_10_100_80003es2lan(struct e1000_hw *hw, u16 duplex) else reg_data &= ~GG82563_KMCR_PASS_FALSE_CARRIER; - ret_val = e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, reg_data); - - return 0; + return e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, reg_data); } /** @@ -1269,9 +1259,8 @@ static s32 e1000_cfg_kmrn_1000_80003es2lan(struct e1000_hw *hw) } while ((reg_data != reg_data2) && (i < GG82563_MAX_KMRN_RETRY)); reg_data &= ~GG82563_KMCR_PASS_FALSE_CARRIER; - ret_val = e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, reg_data); - return ret_val; + return e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, reg_data); } /** @@ -1356,12 +1345,9 @@ static s32 e1000_read_mac_addr_80003es2lan(struct e1000_hw *hw) */ ret_val = e1000_check_alt_mac_addr_generic(hw); if (ret_val) - goto out; - - ret_val = e1000_read_mac_addr_generic(hw); + return ret_val; -out: - return ret_val; + return e1000_read_mac_addr_generic(hw); } /** diff --git a/drivers/net/ethernet/intel/e1000e/82571.c b/drivers/net/ethernet/intel/e1000e/82571.c index 795c3d640615..b6b7bc4c33aa 100644 --- a/drivers/net/ethernet/intel/e1000e/82571.c +++ b/drivers/net/ethernet/intel/e1000e/82571.c @@ -564,7 +564,6 @@ static void e1000_put_hw_semaphore_82571(struct e1000_hw *hw) static s32 e1000_get_hw_semaphore_82573(struct e1000_hw *hw) { u32 extcnf_ctrl; - s32 ret_val = 0; s32 i = 0; extcnf_ctrl = er32(EXTCNF_CTRL); @@ -586,12 +585,10 @@ static s32 e1000_get_hw_semaphore_82573(struct e1000_hw *hw) /* Release semaphores */ e1000_put_hw_semaphore_82573(hw); e_dbg("Driver can't access the PHY\n"); - ret_val = -E1000_ERR_PHY; - goto out; + return -E1000_ERR_PHY; } -out: - return ret_val; + return 0; } /** @@ -796,7 +793,7 @@ static s32 e1000_update_nvm_checksum_82571(struct e1000_hw *hw) * otherwise, commit the checksum to the flash NVM. */ if (hw->nvm.type != e1000_nvm_flash_hw) - return ret_val; + return 0; /* Check for pending operations. */ for (i = 0; i < E1000_FLASH_UPDATES; i++) { @@ -1409,7 +1406,6 @@ bool e1000_check_phy_82574(struct e1000_hw *hw) { u16 status_1kbt = 0; u16 receive_errors = 0; - bool phy_hung = false; s32 ret_val = 0; /* @@ -1417,19 +1413,18 @@ bool e1000_check_phy_82574(struct e1000_hw *hw) * read the Base1000T status register If both are max then PHY is hung. */ ret_val = e1e_rphy(hw, E1000_RECEIVE_ERROR_COUNTER, &receive_errors); - if (ret_val) - goto out; + return false; if (receive_errors == E1000_RECEIVE_ERROR_MAX) { ret_val = e1e_rphy(hw, E1000_BASE1000T_STATUS, &status_1kbt); if (ret_val) - goto out; + return false; if ((status_1kbt & E1000_IDLE_ERROR_COUNT_MASK) == E1000_IDLE_ERROR_COUNT_MASK) - phy_hung = true; + return true; } -out: - return phy_hung; + + return false; } /** @@ -1497,9 +1492,7 @@ static s32 e1000_setup_copper_link_82571(struct e1000_hw *hw) if (ret_val) return ret_val; - ret_val = e1000e_setup_copper_link(hw); - - return ret_val; + return e1000e_setup_copper_link(hw); } /** @@ -1833,9 +1826,9 @@ static s32 e1000_fix_nvm_checksum_82571(struct e1000_hw *hw) **/ static s32 e1000_read_mac_addr_82571(struct e1000_hw *hw) { - s32 ret_val = 0; - if (hw->mac.type == e1000_82571) { + s32 ret_val = 0; + /* * If there's an alternate MAC address place it in RAR0 * so that it will override the Si installed default perm @@ -1843,13 +1836,10 @@ static s32 e1000_read_mac_addr_82571(struct e1000_hw *hw) */ ret_val = e1000_check_alt_mac_addr_generic(hw); if (ret_val) - goto out; + return ret_val; } - ret_val = e1000_read_mac_addr_generic(hw); - -out: - return ret_val; + return e1000_read_mac_addr_generic(hw); } /** diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c index 112d55f76b79..f3282dc5588e 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.c +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c @@ -351,7 +351,7 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw) */ ret_val = e1000e_phy_hw_reset_generic(hw); if (ret_val) - goto out; + return ret_val; /* Ungate automatic PHY configuration on non-managed 82579 */ if ((hw->mac.type == e1000_pch2lan) && @@ -366,7 +366,7 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw) default: ret_val = e1000e_get_phy_id(hw); if (ret_val) - goto out; + return ret_val; if ((phy->id != 0) && (phy->id != PHY_REVISION_MASK)) break; /* fall-through */ @@ -377,10 +377,10 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw) */ ret_val = e1000_set_mdio_slow_mode_hv(hw); if (ret_val) - goto out; + return ret_val; ret_val = e1000e_get_phy_id(hw); if (ret_val) - goto out; + return ret_val; break; } phy->type = e1000e_get_phy_type_from_id(phy->id); @@ -406,7 +406,6 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw) break; } -out: return ret_val; } @@ -635,20 +634,18 @@ static s32 e1000_set_eee_pchlan(struct e1000_hw *hw) u16 phy_reg; if (hw->phy.type != e1000_phy_82579) - goto out; + return 0; ret_val = e1e_rphy(hw, I82579_LPI_CTRL, &phy_reg); if (ret_val) - goto out; + return ret_val; if (hw->dev_spec.ich8lan.eee_disable) phy_reg &= ~I82579_LPI_CTRL_ENABLE_MASK; else phy_reg |= I82579_LPI_CTRL_ENABLE_MASK; - ret_val = e1e_wphy(hw, I82579_LPI_CTRL, phy_reg); -out: - return ret_val; + return e1e_wphy(hw, I82579_LPI_CTRL, phy_reg); } /** @@ -672,10 +669,8 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) * get_link_status flag is set upon receiving a Link Status * Change or Rx Sequence Error interrupt. */ - if (!mac->get_link_status) { - ret_val = 0; - goto out; - } + if (!mac->get_link_status) + return 0; /* * First we want to see if the MII Status Register reports @@ -684,16 +679,16 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) */ ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link); if (ret_val) - goto out; + return ret_val; if (hw->mac.type == e1000_pchlan) { ret_val = e1000_k1_gig_workaround_hv(hw, link); if (ret_val) - goto out; + return ret_val; } if (!link) - goto out; /* No link detected */ + return 0; /* No link detected */ mac->get_link_status = false; @@ -701,13 +696,13 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) case e1000_pch2lan: ret_val = e1000_k1_workaround_lv(hw); if (ret_val) - goto out; + return ret_val; /* fall-thru */ case e1000_pchlan: if (hw->phy.type == e1000_phy_82578) { ret_val = e1000_link_stall_workaround_hv(hw); if (ret_val) - goto out; + return ret_val; } /* @@ -737,16 +732,14 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) /* Enable/Disable EEE after link up */ ret_val = e1000_set_eee_pchlan(hw); if (ret_val) - goto out; + return ret_val; /* * If we are forcing speed/duplex, then we simply return since * we have already determined whether we have link or not. */ - if (!mac->autoneg) { - ret_val = -E1000_ERR_CONFIG; - goto out; - } + if (!mac->autoneg) + return -E1000_ERR_CONFIG; /* * Auto-Neg is enabled. Auto Speed Detection takes care @@ -765,7 +758,6 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) if (ret_val) e_dbg("Error configuring flow control\n"); -out: return ret_val; } @@ -1008,15 +1000,13 @@ static s32 e1000_write_smbus_addr(struct e1000_hw *hw) ret_val = e1000_read_phy_reg_hv_locked(hw, HV_SMB_ADDR, &phy_data); if (ret_val) - goto out; + return ret_val; phy_data &= ~HV_SMB_ADDR_MASK; phy_data |= (strap >> E1000_STRAP_SMBUS_ADDRESS_SHIFT); phy_data |= HV_SMB_ADDR_PEC_EN | HV_SMB_ADDR_VALID; - ret_val = e1000_write_phy_reg_hv_locked(hw, HV_SMB_ADDR, phy_data); -out: - return ret_val; + return e1000_write_phy_reg_hv_locked(hw, HV_SMB_ADDR, phy_data); } /** @@ -1065,7 +1055,7 @@ static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw) data = er32(FEXTNVM); if (!(data & sw_cfg_mask)) - goto out; + goto release; /* * Make sure HW does not configure LCD from PHY @@ -1074,14 +1064,14 @@ static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw) data = er32(EXTCNF_CTRL); if (!(hw->mac.type == e1000_pch2lan)) { if (data & E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE) - goto out; + goto release; } cnf_size = er32(EXTCNF_SIZE); cnf_size &= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK; cnf_size >>= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT; if (!cnf_size) - goto out; + goto release; cnf_base_addr = data & E1000_EXTCNF_CTRL_EXT_CNF_POINTER_MASK; cnf_base_addr >>= E1000_EXTCNF_CTRL_EXT_CNF_POINTER_SHIFT; @@ -1097,13 +1087,13 @@ static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw) */ ret_val = e1000_write_smbus_addr(hw); if (ret_val) - goto out; + goto release; data = er32(LEDCTL); ret_val = e1000_write_phy_reg_hv_locked(hw, HV_LED_CONFIG, (u16)data); if (ret_val) - goto out; + goto release; } /* Configure LCD from extended configuration region. */ @@ -1115,12 +1105,12 @@ static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw) ret_val = e1000_read_nvm(hw, (word_addr + i * 2), 1, ®_data); if (ret_val) - goto out; + goto release; ret_val = e1000_read_nvm(hw, (word_addr + i * 2 + 1), 1, ®_addr); if (ret_val) - goto out; + goto release; /* Save off the PHY page for future writes. */ if (reg_addr == IGP01E1000_PHY_PAGE_SELECT) { @@ -1134,10 +1124,10 @@ static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw) ret_val = phy->ops.write_reg_locked(hw, (u32)reg_addr, reg_data); if (ret_val) - goto out; + goto release; } -out: +release: hw->phy.ops.release(hw); return ret_val; } @@ -1159,12 +1149,12 @@ static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link) bool k1_enable = hw->dev_spec.ich8lan.nvm_k1_enabled; if (hw->mac.type != e1000_pchlan) - goto out; + return 0; /* Wrap the whole flow with the sw flag */ ret_val = hw->phy.ops.acquire(hw); if (ret_val) - goto out; + return ret_val; /* Disable K1 when link is 1Gbps, otherwise use the NVM setting */ if (link) { @@ -1218,7 +1208,7 @@ static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link) release: hw->phy.ops.release(hw); -out: + return ret_val; } @@ -1244,7 +1234,7 @@ s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable) E1000_KMRNCTRLSTA_K1_CONFIG, &kmrn_reg); if (ret_val) - goto out; + return ret_val; if (k1_enable) kmrn_reg |= E1000_KMRNCTRLSTA_K1_ENABLE; @@ -1255,7 +1245,7 @@ s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable) E1000_KMRNCTRLSTA_K1_CONFIG, kmrn_reg); if (ret_val) - goto out; + return ret_val; udelay(20); ctrl_ext = er32(CTRL_EXT); @@ -1273,8 +1263,7 @@ s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable) e1e_flush(); udelay(20); -out: - return ret_val; + return 0; } /** @@ -1302,18 +1291,18 @@ static s32 e1000_oem_bits_config_ich8lan(struct e1000_hw *hw, bool d0_state) if (!(hw->mac.type == e1000_pch2lan)) { mac_reg = er32(EXTCNF_CTRL); if (mac_reg & E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE) - goto out; + goto release; } mac_reg = er32(FEXTNVM); if (!(mac_reg & E1000_FEXTNVM_SW_CONFIG_ICH8M)) - goto out; + goto release; mac_reg = er32(PHY_CTRL); ret_val = hw->phy.ops.read_reg_locked(hw, HV_OEM_BITS, &oem_reg); if (ret_val) - goto out; + goto release; oem_reg &= ~(HV_OEM_BITS_GBE_DIS | HV_OEM_BITS_LPLU); @@ -1339,7 +1328,7 @@ static s32 e1000_oem_bits_config_ich8lan(struct e1000_hw *hw, bool d0_state) ret_val = hw->phy.ops.write_reg_locked(hw, HV_OEM_BITS, oem_reg); -out: +release: hw->phy.ops.release(hw); return ret_val; @@ -1376,13 +1365,13 @@ static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw) u16 phy_data; if (hw->mac.type != e1000_pchlan) - return ret_val; + return 0; /* Set MDIO slow mode before any other MDIO access */ if (hw->phy.type == e1000_phy_82577) { ret_val = e1000_set_mdio_slow_mode_hv(hw); if (ret_val) - goto out; + return ret_val; } if (((hw->phy.type == e1000_phy_82577) && @@ -1419,7 +1408,7 @@ static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw) ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, 0); hw->phy.ops.release(hw); if (ret_val) - goto out; + return ret_val; /* * Configure the K1 Si workaround during phy reset assuming there is @@ -1427,12 +1416,12 @@ static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw) */ ret_val = e1000_k1_gig_workaround_hv(hw, true); if (ret_val) - goto out; + return ret_val; /* Workaround for link disconnects on a busy hub in half duplex */ ret_val = hw->phy.ops.acquire(hw); if (ret_val) - goto out; + return ret_val; ret_val = hw->phy.ops.read_reg_locked(hw, BM_PORT_GEN_CFG, &phy_data); if (ret_val) goto release; @@ -1440,7 +1429,7 @@ static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw) phy_data & 0x00FF); release: hw->phy.ops.release(hw); -out: + return ret_val; } @@ -1497,13 +1486,13 @@ s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable) u16 i; if (hw->mac.type != e1000_pch2lan) - goto out; + return 0; /* disable Rx path while enabling/disabling workaround */ e1e_rphy(hw, PHY_REG(769, 20), &phy_reg); ret_val = e1e_wphy(hw, PHY_REG(769, 20), phy_reg | (1 << 14)); if (ret_val) - goto out; + return ret_val; if (enable) { /* @@ -1545,24 +1534,24 @@ s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable) E1000_KMRNCTRLSTA_CTRL_OFFSET, &data); if (ret_val) - goto out; + return ret_val; ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_CTRL_OFFSET, data | (1 << 0)); if (ret_val) - goto out; + return ret_val; ret_val = e1000e_read_kmrn_reg(hw, E1000_KMRNCTRLSTA_HD_CTRL, &data); if (ret_val) - goto out; + return ret_val; data &= ~(0xF << 8); data |= (0xB << 8); ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_HD_CTRL, data); if (ret_val) - goto out; + return ret_val; /* Enable jumbo frame workaround in the PHY */ e1e_rphy(hw, PHY_REG(769, 23), &data); @@ -1570,25 +1559,25 @@ s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable) data |= (0x37 << 5); ret_val = e1e_wphy(hw, PHY_REG(769, 23), data); if (ret_val) - goto out; + return ret_val; e1e_rphy(hw, PHY_REG(769, 16), &data); data &= ~(1 << 13); ret_val = e1e_wphy(hw, PHY_REG(769, 16), data); if (ret_val) - goto out; + return ret_val; e1e_rphy(hw, PHY_REG(776, 20), &data); data &= ~(0x3FF << 2); data |= (0x1A << 2); ret_val = e1e_wphy(hw, PHY_REG(776, 20), data); if (ret_val) - goto out; + return ret_val; ret_val = e1e_wphy(hw, PHY_REG(776, 23), 0xF100); if (ret_val) - goto out; + return ret_val; e1e_rphy(hw, HV_PM_CTRL, &data); ret_val = e1e_wphy(hw, HV_PM_CTRL, data | (1 << 10)); if (ret_val) - goto out; + return ret_val; } else { /* Write MAC register values back to h/w defaults */ mac_reg = er32(FFLT_DBG); @@ -1603,56 +1592,53 @@ s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable) E1000_KMRNCTRLSTA_CTRL_OFFSET, &data); if (ret_val) - goto out; + return ret_val; ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_CTRL_OFFSET, data & ~(1 << 0)); if (ret_val) - goto out; + return ret_val; ret_val = e1000e_read_kmrn_reg(hw, E1000_KMRNCTRLSTA_HD_CTRL, &data); if (ret_val) - goto out; + return ret_val; data &= ~(0xF << 8); data |= (0xB << 8); ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_HD_CTRL, data); if (ret_val) - goto out; + return ret_val; /* Write PHY register values back to h/w defaults */ e1e_rphy(hw, PHY_REG(769, 23), &data); data &= ~(0x7F << 5); ret_val = e1e_wphy(hw, PHY_REG(769, 23), data); if (ret_val) - goto out; + return ret_val; e1e_rphy(hw, PHY_REG(769, 16), &data); data |= (1 << 13); ret_val = e1e_wphy(hw, PHY_REG(769, 16), data); if (ret_val) - goto out; + return ret_val; e1e_rphy(hw, PHY_REG(776, 20), &data); data &= ~(0x3FF << 2); data |= (0x8 << 2); ret_val = e1e_wphy(hw, PHY_REG(776, 20), data); if (ret_val) - goto out; + return ret_val; ret_val = e1e_wphy(hw, PHY_REG(776, 23), 0x7E00); if (ret_val) - goto out; + return ret_val; e1e_rphy(hw, HV_PM_CTRL, &data); ret_val = e1e_wphy(hw, HV_PM_CTRL, data & ~(1 << 10)); if (ret_val) - goto out; + return ret_val; } /* re-enable Rx path after enabling/disabling workaround */ - ret_val = e1e_wphy(hw, PHY_REG(769, 20), phy_reg & ~(1 << 14)); - -out: - return ret_val; + return e1e_wphy(hw, PHY_REG(769, 20), phy_reg & ~(1 << 14)); } /** @@ -1664,14 +1650,14 @@ static s32 e1000_lv_phy_workarounds_ich8lan(struct e1000_hw *hw) s32 ret_val = 0; if (hw->mac.type != e1000_pch2lan) - goto out; + return 0; /* Set MDIO slow mode before any other MDIO access */ ret_val = e1000_set_mdio_slow_mode_hv(hw); ret_val = hw->phy.ops.acquire(hw); if (ret_val) - goto out; + return ret_val; ret_val = hw->phy.ops.write_reg_locked(hw, I82579_EMI_ADDR, I82579_MSE_THRESHOLD); if (ret_val) @@ -1689,7 +1675,6 @@ static s32 e1000_lv_phy_workarounds_ich8lan(struct e1000_hw *hw) release: hw->phy.ops.release(hw); -out: return ret_val; } @@ -1707,12 +1692,12 @@ static s32 e1000_k1_workaround_lv(struct e1000_hw *hw) u16 phy_reg; if (hw->mac.type != e1000_pch2lan) - goto out; + return 0; /* Set K1 beacon duration based on 1Gbps speed or otherwise */ ret_val = e1e_rphy(hw, HV_M_STATUS, &status_reg); if (ret_val) - goto out; + return ret_val; if ((status_reg & (HV_M_STATUS_LINK_UP | HV_M_STATUS_AUTONEG_COMPLETE)) == (HV_M_STATUS_LINK_UP | HV_M_STATUS_AUTONEG_COMPLETE)) { @@ -1721,7 +1706,7 @@ static s32 e1000_k1_workaround_lv(struct e1000_hw *hw) ret_val = e1e_rphy(hw, I82579_LPI_CTRL, &phy_reg); if (ret_val) - goto out; + return ret_val; if (status_reg & HV_M_STATUS_SPEED_1000) { mac_reg |= E1000_FEXTNVM4_BEACON_DURATION_8USEC; @@ -1734,7 +1719,6 @@ static s32 e1000_k1_workaround_lv(struct e1000_hw *hw) ret_val = e1e_wphy(hw, I82579_LPI_CTRL, phy_reg); } -out: return ret_val; } @@ -1805,7 +1789,7 @@ static s32 e1000_post_phy_reset_ich8lan(struct e1000_hw *hw) u16 reg; if (e1000_check_reset_block(hw)) - goto out; + return 0; /* Allow time for h/w to get to quiescent state after reset */ usleep_range(10000, 20000); @@ -1815,12 +1799,12 @@ static s32 e1000_post_phy_reset_ich8lan(struct e1000_hw *hw) case e1000_pchlan: ret_val = e1000_hv_phy_workarounds_ich8lan(hw); if (ret_val) - goto out; + return ret_val; break; case e1000_pch2lan: ret_val = e1000_lv_phy_workarounds_ich8lan(hw); if (ret_val) - goto out; + return ret_val; break; default: break; @@ -1836,7 +1820,7 @@ static s32 e1000_post_phy_reset_ich8lan(struct e1000_hw *hw) /* Configure the LCD with the extended configuration region in NVM */ ret_val = e1000_sw_lcd_config_ich8lan(hw); if (ret_val) - goto out; + return ret_val; /* Configure the LCD with the OEM bits in NVM */ ret_val = e1000_oem_bits_config_ich8lan(hw, true); @@ -1851,18 +1835,16 @@ static s32 e1000_post_phy_reset_ich8lan(struct e1000_hw *hw) /* Set EEE LPI Update Timer to 200usec */ ret_val = hw->phy.ops.acquire(hw); if (ret_val) - goto out; + return ret_val; ret_val = hw->phy.ops.write_reg_locked(hw, I82579_EMI_ADDR, I82579_LPI_UPDATE_TIMER); - if (ret_val) - goto release; - ret_val = hw->phy.ops.write_reg_locked(hw, I82579_EMI_DATA, - 0x1387); -release: + if (!ret_val) + ret_val = hw->phy.ops.write_reg_locked(hw, + I82579_EMI_DATA, + 0x1387); hw->phy.ops.release(hw); } -out: return ret_val; } @@ -1885,12 +1867,9 @@ static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw) ret_val = e1000e_phy_hw_reset_generic(hw); if (ret_val) - goto out; - - ret_val = e1000_post_phy_reset_ich8lan(hw); + return ret_val; -out: - return ret_val; + return e1000_post_phy_reset_ich8lan(hw); } /** @@ -1911,7 +1890,7 @@ static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active) ret_val = e1e_rphy(hw, HV_OEM_BITS, &oem_reg); if (ret_val) - goto out; + return ret_val; if (active) oem_reg |= HV_OEM_BITS_LPLU; @@ -1921,10 +1900,7 @@ static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active) if (!e1000_check_reset_block(hw)) oem_reg |= HV_OEM_BITS_RESTART_AN; - ret_val = e1e_wphy(hw, HV_OEM_BITS, oem_reg); - -out: - return ret_val; + return e1e_wphy(hw, HV_OEM_BITS, oem_reg); } /** @@ -1948,7 +1924,7 @@ static s32 e1000_set_d0_lplu_state_ich8lan(struct e1000_hw *hw, bool active) u16 data; if (phy->type == e1000_phy_ife) - return ret_val; + return 0; phy_ctrl = er32(PHY_CTRL); @@ -2030,7 +2006,7 @@ static s32 e1000_set_d3_lplu_state_ich8lan(struct e1000_hw *hw, bool active) { struct e1000_phy_info *phy = &hw->phy; u32 phy_ctrl; - s32 ret_val; + s32 ret_val = 0; u16 data; phy_ctrl = er32(PHY_CTRL); @@ -2096,7 +2072,7 @@ static s32 e1000_set_d3_lplu_state_ich8lan(struct e1000_hw *hw, bool active) ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data); } - return 0; + return ret_val; } /** @@ -2114,7 +2090,7 @@ static s32 e1000_valid_nvm_bank_detect_ich8lan(struct e1000_hw *hw, u32 *bank) u32 bank1_offset = nvm->flash_bank_size * sizeof(u16); u32 act_offset = E1000_ICH_NVM_SIG_WORD * 2 + 1; u8 sig_byte = 0; - s32 ret_val = 0; + s32 ret_val; switch (hw->mac.type) { case e1000_ich8lan: @@ -2161,8 +2137,6 @@ static s32 e1000_valid_nvm_bank_detect_ich8lan(struct e1000_hw *hw, u32 *bank) e_dbg("ERROR: No valid NVM bank present\n"); return -E1000_ERR_NVM; } - - return 0; } /** @@ -2270,7 +2244,7 @@ static s32 e1000_flash_cycle_init_ich8lan(struct e1000_hw *hw) ew16flash(ICH_FLASH_HSFSTS, hsfsts.regval); ret_val = 0; } else { - s32 i = 0; + s32 i; /* * Otherwise poll for sometime so the current @@ -2310,7 +2284,6 @@ static s32 e1000_flash_cycle_ich8lan(struct e1000_hw *hw, u32 timeout) { union ich8_hws_flash_ctrl hsflctl; union ich8_hws_flash_status hsfsts; - s32 ret_val = -E1000_ERR_NVM; u32 i = 0; /* Start a cycle by writing 1 in Flash Cycle Go in Hw Flash Control */ @@ -2329,7 +2302,7 @@ static s32 e1000_flash_cycle_ich8lan(struct e1000_hw *hw, u32 timeout) if (hsfsts.hsf_status.flcdone == 1 && hsfsts.hsf_status.flcerr == 0) return 0; - return ret_val; + return -E1000_ERR_NVM; } /** @@ -3004,7 +2977,7 @@ static s32 e1000_id_led_init_pchlan(struct e1000_hw *hw) /* Get default ID LED modes */ ret_val = hw->nvm.ops.valid_led_default(hw, &data); if (ret_val) - goto out; + return ret_val; mac->ledctl_default = er32(LEDCTL); mac->ledctl_mode1 = mac->ledctl_default; @@ -3049,8 +3022,7 @@ static s32 e1000_id_led_init_pchlan(struct e1000_hw *hw) } } -out: - return ret_val; + return 0; } /** @@ -3165,11 +3137,11 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw) if (ctrl & E1000_CTRL_PHY_RST) { ret_val = hw->phy.ops.get_cfg_done(hw); if (ret_val) - goto out; + return ret_val; ret_val = e1000_post_phy_reset_ich8lan(hw); if (ret_val) - goto out; + return ret_val; } /* @@ -3187,8 +3159,7 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw) kab |= E1000_KABGTXD_BGSQLBIAS; ew32(KABGTXD, kab); -out: - return ret_val; + return 0; } /** @@ -3279,7 +3250,7 @@ static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw) */ e1000_clear_hw_cntrs_ich8lan(hw); - return 0; + return ret_val; } /** * e1000_initialize_hw_bits_ich8lan - Initialize required hardware bits @@ -3482,6 +3453,7 @@ static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw) default: break; } + return e1000e_setup_copper_link(hw); } diff --git a/drivers/net/ethernet/intel/e1000e/mac.c b/drivers/net/ethernet/intel/e1000e/mac.c index 83f93684dc2f..17991e63083d 100644 --- a/drivers/net/ethernet/intel/e1000e/mac.c +++ b/drivers/net/ethernet/intel/e1000e/mac.c @@ -172,23 +172,23 @@ s32 e1000_check_alt_mac_addr_generic(struct e1000_hw *hw) ret_val = e1000_read_nvm(hw, NVM_COMPAT, 1, &nvm_data); if (ret_val) - goto out; + return ret_val; /* not supported on 82573 */ if (hw->mac.type == e1000_82573) - goto out; + return 0; ret_val = e1000_read_nvm(hw, NVM_ALT_MAC_ADDR_PTR, 1, &nvm_alt_mac_addr_offset); if (ret_val) { e_dbg("NVM Read Error\n"); - goto out; + return ret_val; } if ((nvm_alt_mac_addr_offset == 0xFFFF) || (nvm_alt_mac_addr_offset == 0x0000)) /* There is no Alternate MAC Address */ - goto out; + return 0; if (hw->bus.func == E1000_FUNC_1) nvm_alt_mac_addr_offset += E1000_ALT_MAC_ADDRESS_OFFSET_LAN1; @@ -197,7 +197,7 @@ s32 e1000_check_alt_mac_addr_generic(struct e1000_hw *hw) ret_val = e1000_read_nvm(hw, offset, 1, &nvm_data); if (ret_val) { e_dbg("NVM Read Error\n"); - goto out; + return ret_val; } alt_mac_addr[i] = (u8)(nvm_data & 0xFF); @@ -207,7 +207,7 @@ s32 e1000_check_alt_mac_addr_generic(struct e1000_hw *hw) /* if multicast bit is set, the alternate address will not be used */ if (is_multicast_ether_addr(alt_mac_addr)) { e_dbg("Ignoring Alternate Mac Address with MC bit set\n"); - goto out; + return 0; } /* @@ -217,8 +217,7 @@ s32 e1000_check_alt_mac_addr_generic(struct e1000_hw *hw) */ e1000e_rar_set(hw, alt_mac_addr, 0); -out: - return ret_val; + return 0; } /** @@ -444,7 +443,7 @@ s32 e1000e_check_for_copper_link(struct e1000_hw *hw) return ret_val; if (!link) - return ret_val; /* No link detected */ + return 0; /* No link detected */ mac->get_link_status = false; @@ -458,10 +457,8 @@ s32 e1000e_check_for_copper_link(struct e1000_hw *hw) * If we are forcing speed/duplex, then we simply return since * we have already determined whether we have link or not. */ - if (!mac->autoneg) { - ret_val = -E1000_ERR_CONFIG; - return ret_val; - } + if (!mac->autoneg) + return -E1000_ERR_CONFIG; /* * Auto-Neg is enabled. Auto Speed Detection takes care @@ -924,7 +921,7 @@ s32 e1000e_setup_fiber_serdes_link(struct e1000_hw *hw) e_dbg("No signal detected\n"); } - return 0; + return ret_val; } /** diff --git a/drivers/net/ethernet/intel/e1000e/manage.c b/drivers/net/ethernet/intel/e1000e/manage.c index c54caf6e5801..0d24b13ce763 100644 --- a/drivers/net/ethernet/intel/e1000e/manage.c +++ b/drivers/net/ethernet/intel/e1000e/manage.c @@ -140,7 +140,7 @@ bool e1000e_enable_tx_pkt_filtering(struct e1000_hw *hw) /* No manageability, no filtering */ if (!e1000e_check_mng_mode(hw)) { hw->mac.tx_pkt_filtering = false; - goto out; + return hw->mac.tx_pkt_filtering; } /* @@ -150,7 +150,7 @@ bool e1000e_enable_tx_pkt_filtering(struct e1000_hw *hw) ret_val = e1000_mng_enable_host_if(hw); if (ret_val) { hw->mac.tx_pkt_filtering = false; - goto out; + return hw->mac.tx_pkt_filtering; } /* Read in the header. Length and offset are in dwords. */ @@ -170,16 +170,13 @@ bool e1000e_enable_tx_pkt_filtering(struct e1000_hw *hw) */ if ((hdr_csum != csum) || (hdr->signature != E1000_IAMT_SIGNATURE)) { hw->mac.tx_pkt_filtering = true; - goto out; + return hw->mac.tx_pkt_filtering; } /* Cookie area is valid, make the final check for filtering. */ - if (!(hdr->status & E1000_MNG_DHCP_COOKIE_STATUS_PARSING)) { + if (!(hdr->status & E1000_MNG_DHCP_COOKIE_STATUS_PARSING)) hw->mac.tx_pkt_filtering = false; - goto out; - } -out: return hw->mac.tx_pkt_filtering; } @@ -336,12 +333,11 @@ bool e1000e_enable_mng_pass_thru(struct e1000_hw *hw) { u32 manc; u32 fwsm, factps; - bool ret_val = false; manc = er32(MANC); if (!(manc & E1000_MANC_RCV_TCO_EN)) - goto out; + return false; if (hw->mac.has_fwsm) { fwsm = er32(FWSM); @@ -349,10 +345,8 @@ bool e1000e_enable_mng_pass_thru(struct e1000_hw *hw) if (!(factps & E1000_FACTPS_MNGCG) && ((fwsm & E1000_FWSM_MODE_MASK) == - (e1000_mng_mode_pt << E1000_FWSM_MODE_SHIFT))) { - ret_val = true; - goto out; - } + (e1000_mng_mode_pt << E1000_FWSM_MODE_SHIFT))) + return true; } else if ((hw->mac.type == e1000_82574) || (hw->mac.type == e1000_82583)) { u16 data; @@ -362,16 +356,12 @@ bool e1000e_enable_mng_pass_thru(struct e1000_hw *hw) if (!(factps & E1000_FACTPS_MNGCG) && ((data & E1000_NVM_INIT_CTRL2_MNGM) == - (e1000_mng_mode_pt << 13))) { - ret_val = true; - goto out; - } + (e1000_mng_mode_pt << 13))) + return true; } else if ((manc & E1000_MANC_SMBUS_EN) && !(manc & E1000_MANC_ASF_EN)) { - ret_val = true; - goto out; + return true; } -out: - return ret_val; + return false; } diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index f868fb822a30..c079b9b0810d 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -1985,7 +1985,7 @@ static int e1000_request_msix(struct e1000_adapter *adapter) e1000_intr_msix_rx, 0, adapter->rx_ring->name, netdev); if (err) - goto out; + return err; adapter->rx_ring->itr_register = adapter->hw.hw_addr + E1000_EITR_82574(vector); adapter->rx_ring->itr_val = adapter->itr; @@ -2001,7 +2001,7 @@ static int e1000_request_msix(struct e1000_adapter *adapter) e1000_intr_msix_tx, 0, adapter->tx_ring->name, netdev); if (err) - goto out; + return err; adapter->tx_ring->itr_register = adapter->hw.hw_addr + E1000_EITR_82574(vector); adapter->tx_ring->itr_val = adapter->itr; @@ -2010,12 +2010,11 @@ static int e1000_request_msix(struct e1000_adapter *adapter) err = request_irq(adapter->msix_entries[vector].vector, e1000_msix_other, 0, netdev->name, netdev); if (err) - goto out; + return err; e1000_configure_msix(adapter); + return 0; -out: - return err; } /** @@ -2367,7 +2366,7 @@ static unsigned int e1000_update_itr(struct e1000_adapter *adapter, unsigned int retval = itr_setting; if (packets == 0) - goto update_itr_done; + return itr_setting; switch (itr_setting) { case lowest_latency: @@ -2402,7 +2401,6 @@ static unsigned int e1000_update_itr(struct e1000_adapter *adapter, break; } -update_itr_done: return retval; } @@ -5365,7 +5363,7 @@ static int e1000_init_phy_wakeup(struct e1000_adapter *adapter, u32 wufc) /* Enable access to wakeup registers on and set page to BM_WUC_PAGE */ retval = e1000_enable_phy_wakeup_reg_access_bm(hw, &wuc_enable); if (retval) - goto out; + goto release; /* copy MAC MTA to PHY MTA - only needed for pchlan */ for (i = 0; i < adapter->hw.mac.mta_reg_count; i++) { @@ -5409,7 +5407,7 @@ static int e1000_init_phy_wakeup(struct e1000_adapter *adapter, u32 wufc) retval = e1000_disable_phy_wakeup_reg_access_bm(hw, &wuc_enable); if (retval) e_err("Could not set PHY Host Wakeup bit\n"); -out: +release: hw->phy.ops.release(hw); return retval; diff --git a/drivers/net/ethernet/intel/e1000e/nvm.c b/drivers/net/ethernet/intel/e1000e/nvm.c index f6fb7a768ba5..24b7930b7500 100644 --- a/drivers/net/ethernet/intel/e1000e/nvm.c +++ b/drivers/net/ethernet/intel/e1000e/nvm.c @@ -382,10 +382,8 @@ s32 e1000e_write_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data) u8 write_opcode = NVM_WRITE_OPCODE_SPI; ret_val = e1000_ready_nvm_eeprom(hw); - if (ret_val) { - nvm->ops.release(hw); - return ret_val; - } + if (ret_val) + goto release; e1000_standby_nvm(hw); @@ -422,8 +420,10 @@ s32 e1000e_write_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data) } usleep_range(10000, 20000); +release: nvm->ops.release(hw); - return 0; + + return ret_val; } /** @@ -446,20 +446,19 @@ s32 e1000_read_pba_string_generic(struct e1000_hw *hw, u8 *pba_num, if (pba_num == NULL) { e_dbg("PBA string buffer was null\n"); - ret_val = E1000_ERR_INVALID_ARGUMENT; - goto out; + return -E1000_ERR_INVALID_ARGUMENT; } ret_val = e1000_read_nvm(hw, NVM_PBA_OFFSET_0, 1, &nvm_data); if (ret_val) { e_dbg("NVM Read Error\n"); - goto out; + return ret_val; } ret_val = e1000_read_nvm(hw, NVM_PBA_OFFSET_1, 1, &pba_ptr); if (ret_val) { e_dbg("NVM Read Error\n"); - goto out; + return ret_val; } /* @@ -499,25 +498,23 @@ s32 e1000_read_pba_string_generic(struct e1000_hw *hw, u8 *pba_num, pba_num[offset] += 'A' - 0xA; } - goto out; + return 0; } ret_val = e1000_read_nvm(hw, pba_ptr, 1, &length); if (ret_val) { e_dbg("NVM Read Error\n"); - goto out; + return ret_val; } if (length == 0xFFFF || length == 0) { e_dbg("NVM PBA number section invalid length\n"); - ret_val = E1000_ERR_NVM_PBA_SECTION; - goto out; + return -E1000_ERR_NVM_PBA_SECTION; } /* check if pba_num buffer is big enough */ if (pba_num_size < (((u32)length * 2) - 1)) { e_dbg("PBA string buffer too small\n"); - ret_val = E1000_ERR_NO_SPACE; - goto out; + return -E1000_ERR_NO_SPACE; } /* trim pba length from start of string */ @@ -528,15 +525,14 @@ s32 e1000_read_pba_string_generic(struct e1000_hw *hw, u8 *pba_num, ret_val = e1000_read_nvm(hw, pba_ptr + offset, 1, &nvm_data); if (ret_val) { e_dbg("NVM Read Error\n"); - goto out; + return ret_val; } pba_num[offset * 2] = (u8)(nvm_data >> 8); pba_num[(offset * 2) + 1] = (u8)(nvm_data & 0xFF); } pba_num[offset * 2] = '\0'; -out: - return ret_val; + return 0; } /** diff --git a/drivers/net/ethernet/intel/e1000e/phy.c b/drivers/net/ethernet/intel/e1000e/phy.c index 6f44c3fb80b6..d4dbbe741246 100644 --- a/drivers/net/ethernet/intel/e1000e/phy.c +++ b/drivers/net/ethernet/intel/e1000e/phy.c @@ -133,29 +133,29 @@ s32 e1000e_get_phy_id(struct e1000_hw *hw) u16 retry_count = 0; if (!phy->ops.read_reg) - goto out; + 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; } /** @@ -383,28 +383,24 @@ static s32 __e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data, if (!locked) { if (!hw->phy.ops.acquire) - goto out; + 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; } @@ -454,29 +450,24 @@ static s32 __e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data, if (!locked) { if (!hw->phy.ops.acquire) - goto out; + 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 +514,16 @@ static s32 __e1000_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data, bool locked) { u32 kmrnctrlsta; - s32 ret_val = 0; if (!locked) { + s32 ret_val = 0; + if (!hw->phy.ops.acquire) - goto out; + 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 +539,7 @@ 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 +587,16 @@ static s32 __e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data, bool locked) { u32 kmrnctrlsta; - s32 ret_val = 0; if (!locked) { + s32 ret_val = 0; + if (!hw->phy.ops.acquire) - goto out; + 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 +609,7 @@ 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 +654,14 @@ 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); } /** @@ -1064,8 +1052,7 @@ 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); @@ -1265,8 +1252,6 @@ s32 e1000e_phy_force_speed_duplex_igp(struct e1000_hw *hw) PHY_FORCE_LIMIT, 100000, &link); - if (ret_val) - return ret_val; } return ret_val; @@ -1400,25 +1385,25 @@ 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); @@ -1432,7 +1417,7 @@ s32 e1000_phy_force_speed_duplex_ife(struct e1000_hw *hw) 100000, &link); if (ret_val) - goto out; + return ret_val; if (!link) e_dbg("Link taking longer than expected.\n"); @@ -1443,11 +1428,10 @@ s32 e1000_phy_force_speed_duplex_ife(struct e1000_hw *hw) 100000, &link); if (ret_val) - goto out; + return ret_val; } -out: - return ret_val; + return 0; } /** @@ -1832,22 +1816,20 @@ 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; } /** @@ -1917,7 +1899,7 @@ 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; } /** @@ -2072,24 +2054,23 @@ 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) @@ -2099,7 +2080,7 @@ 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; @@ -2108,8 +2089,7 @@ 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; } /** @@ -2368,7 +2348,6 @@ 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; @@ -2387,17 +2366,15 @@ 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; } /** @@ -2438,7 +2415,7 @@ 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); @@ -2463,13 +2440,13 @@ 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; } @@ -2497,7 +2474,7 @@ 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); @@ -2522,12 +2499,12 @@ 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; } @@ -2555,7 +2532,7 @@ 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; @@ -2567,12 +2544,12 @@ 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; } @@ -2599,7 +2576,7 @@ 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; @@ -2610,13 +2587,13 @@ 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; } @@ -2641,14 +2618,14 @@ 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; } /* @@ -2663,15 +2640,14 @@ 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)); } /** @@ -2693,7 +2669,7 @@ 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 */ @@ -2701,7 +2677,7 @@ 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; } @@ -2749,7 +2725,7 @@ 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; } } @@ -2759,7 +2735,7 @@ 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) { @@ -2774,13 +2750,12 @@ 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; } @@ -3136,7 +3111,7 @@ 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 */ @@ -3145,12 +3120,9 @@ 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; } @@ -3171,17 +3143,17 @@ 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 | @@ -3190,7 +3162,7 @@ s32 e1000_link_stall_workaround_hv(struct e1000_hw *hw) if (data != (BM_CS_STATUS_LINK_UP | BM_CS_STATUS_RESOLVED | BM_CS_STATUS_SPEED_1000)) - goto out; + return 0; mdelay(200); @@ -3198,12 +3170,9 @@ s32 e1000_link_stall_workaround_hv(struct e1000_hw *hw) 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); } /** @@ -3245,13 +3214,13 @@ 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); @@ -3263,7 +3232,7 @@ s32 e1000_phy_force_speed_duplex_82577(struct e1000_hw *hw) 100000, &link); if (ret_val) - goto out; + return ret_val; if (!link) e_dbg("Link taking longer than expected.\n"); @@ -3273,11 +3242,8 @@ s32 e1000_phy_force_speed_duplex_82577(struct e1000_hw *hw) PHY_FORCE_LIMIT, 100000, &link); - if (ret_val) - goto out; } -out: return ret_val; } @@ -3299,23 +3265,22 @@ 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; @@ -3323,11 +3288,11 @@ 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 @@ -3342,8 +3307,7 @@ s32 e1000_get_phy_info_82577(struct e1000_hw *hw) phy->remote_rx = e1000_1000t_rx_status_undefined; } -out: - return ret_val; + return 0; } /** @@ -3361,7 +3325,7 @@ 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; @@ -3371,6 +3335,5 @@ s32 e1000_get_cable_length_82577(struct e1000_hw *hw) phy->cable_length = length; -out: - return ret_val; + return 0; } |