Commit 16dc459c authored by David S. Miller's avatar David S. Miller
parents 2132cf64 5015e53a
......@@ -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);
}
/**
......
......@@ -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);
}
/**
......
This diff is collapsed.
......@@ -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;
}
/**
......
......@@ -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;
}
......@@ -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;
......
......@@ -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;
}
/**
......
This diff is collapsed.
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