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e1000/base: remove useless return variables

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Although this change should be optimized out by the compiler, just
return a constant directly rather than declare a variable.

Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
This commit is contained in:
Wenzhuo Lu 2015-10-16 10:50:56 +08:00 committed by Thomas Monjalon
parent 3c027139fe
commit bf36acdc7d
1 changed files with 5 additions and 8 deletions
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13
drivers/net/e1000/base/e1000_82575.c
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@ -891,7 +891,6 @@ STATIC s32 e1000_set_d0_lplu_state_82575(struct e1000_hw *hw, bool active)
STATIC s32 e1000_set_d0_lplu_state_82580(struct e1000_hw *hw, bool active)
{
struct e1000_phy_info *phy = &hw->phy;
s32 ret_val = E1000_SUCCESS;
u32 data;
DEBUGFUNC("e1000_set_d0_lplu_state_82580");
@ -919,7 +918,7 @@ STATIC s32 e1000_set_d0_lplu_state_82580(struct e1000_hw *hw, bool active)
}
E1000_WRITE_REG(hw, E1000_82580_PHY_POWER_MGMT, data);
return ret_val;
return E1000_SUCCESS;
}
/**
@ -939,7 +938,6 @@ STATIC s32 e1000_set_d0_lplu_state_82580(struct e1000_hw *hw, bool active)
s32 e1000_set_d3_lplu_state_82580(struct e1000_hw *hw, bool active)
{
struct e1000_phy_info *phy = &hw->phy;
s32 ret_val = E1000_SUCCESS;
u32 data;
DEBUGFUNC("e1000_set_d3_lplu_state_82580");
@ -967,7 +965,7 @@ s32 e1000_set_d3_lplu_state_82580(struct e1000_hw *hw, bool active)
}
E1000_WRITE_REG(hw, E1000_82580_PHY_POWER_MGMT, data);
return ret_val;
return E1000_SUCCESS;
}
/**
@ -981,7 +979,7 @@ s32 e1000_set_d3_lplu_state_82580(struct e1000_hw *hw, bool active)
**/
STATIC s32 e1000_acquire_nvm_82575(struct e1000_hw *hw)
{
s32 ret_val;
s32 ret_val = E1000_SUCCESS;
DEBUGFUNC("e1000_acquire_nvm_82575");
@ -1003,6 +1001,7 @@ STATIC s32 e1000_acquire_nvm_82575(struct e1000_hw *hw)
DEBUGOUT("Nvm bit banging access error detected and cleared.\n");
}
}
if (hw->mac.type == e1000_82580) {
u32 eecd = E1000_READ_REG(hw, E1000_EECD);
if (eecd & E1000_EECD_BLOCKED) {
@ -1013,7 +1012,6 @@ STATIC s32 e1000_acquire_nvm_82575(struct e1000_hw *hw)
}
}
ret_val = e1000_acquire_nvm_generic(hw);
if (ret_val)
e1000_release_swfw_sync_82575(hw, E1000_SWFW_EEP_SM);
@ -1127,7 +1125,6 @@ STATIC void e1000_release_swfw_sync_82575(struct e1000_hw *hw, u16 mask)
STATIC s32 e1000_get_cfg_done_82575(struct e1000_hw *hw)
{
s32 timeout = PHY_CFG_TIMEOUT;
s32 ret_val = E1000_SUCCESS;
u32 mask = E1000_NVM_CFG_DONE_PORT_0;
DEBUGFUNC("e1000_get_cfg_done_82575");
@ -1152,7 +1149,7 @@ STATIC s32 e1000_get_cfg_done_82575(struct e1000_hw *hw)
(hw->phy.type == e1000_phy_igp_3))
e1000_phy_init_script_igp3(hw);
return ret_val;
return E1000_SUCCESS;
}
/**