[dpdk-dev,v2,10/35] e1000/base: change invariant return to not use variables
Commit Message
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>
---
drivers/net/e1000/base/e1000_82575.c | 13 +++++--------
1 file changed, 5 insertions(+), 8 deletions(-)
@@ -891,7 +891,6 @@ out:
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;
}
/**