e1000e: resolve -Wunused-parameter compile warnings

Remove the unused parameter when possible, otherwise use __always_unused
attribute.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

6 files changed, 31 insertions, 33 deletions

diff --git a/drivers/net/ethernet/intel/e1000e/ethtool.c b/drivers/net/ethernet/intel/e1000e/ethtool.c
index 58df18c2efc2..b1447783ff29 100644
--- a/drivers/net/ethernet/intel/e1000e/ethtool.c
+++ b/drivers/net/ethernet/intel/e1000e/ethtool.c
@@ -418,7 +418,7 @@ static void e1000_set_msglevel(struct net_device *netdev, u32 data)
         adapter->msg_enable = data;
 }
 
-static int e1000_get_regs_len(struct net_device *netdev)
+static int e1000_get_regs_len(struct net_device __always_unused *netdev)
 {
 #define E1000_REGS_LEN 32 /* overestimate */
         return E1000_REGS_LEN * sizeof(u32);
@@ -934,7 +934,7 @@ static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
         return *data;
 }
 
-static irqreturn_t e1000_test_intr(int irq, void *data)
+static irqreturn_t e1000_test_intr(int __always_unused irq, void *data)
 {
         struct net_device *netdev = (struct net_device *) data;
         struct e1000_adapter *adapter = netdev_priv(netdev);
@@ -1705,7 +1705,8 @@ static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
         return *data;
 }
 
-static int e1000e_get_sset_count(struct net_device *netdev, int sset)
+static int e1000e_get_sset_count(struct net_device __always_unused *netdev,
+                                 int sset)
 {
         switch (sset) {
         case ETH_SS_TEST:
@@ -1968,7 +1969,7 @@ static int e1000_nway_reset(struct net_device *netdev)
 }
 
 static void e1000_get_ethtool_stats(struct net_device *netdev,
-                                    struct ethtool_stats *stats,
+                                    struct ethtool_stats __always_unused *stats,
                                     u64 *data)
 {
         struct e1000_adapter *adapter = netdev_priv(netdev);
@@ -1997,8 +1998,8 @@ static void e1000_get_ethtool_stats(struct net_device *netdev,
         }
 }
 
-static void e1000_get_strings(struct net_device *netdev, u32 stringset,
-                              u8 *data)
+static void e1000_get_strings(struct net_device __always_unused *netdev,
+                              u32 stringset, u8 *data)
 {
         u8 *p = data;
         int i;
@@ -2018,7 +2019,8 @@ static void e1000_get_strings(struct net_device *netdev, u32 stringset,
 }
 
 static int e1000_get_rxnfc(struct net_device *netdev,
-                           struct ethtool_rxnfc *info, u32 *rule_locs)
+                           struct ethtool_rxnfc *info,
+                           u32 __always_unused *rule_locs)
 {
         info->data = 0;
 
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
index 2ca6f2f502ea..5ca21f9b3334 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c
@@ -1082,7 +1082,7 @@ static DEFINE_MUTEX(nvm_mutex);
  *
  *  Acquires the mutex for performing NVM operations.
  **/
-static s32 e1000_acquire_nvm_ich8lan(struct e1000_hw *hw)
+static s32 e1000_acquire_nvm_ich8lan(struct e1000_hw __always_unused *hw)
 {
         mutex_lock(&nvm_mutex);
 
@@ -1095,7 +1095,7 @@ static s32 e1000_acquire_nvm_ich8lan(struct e1000_hw *hw)
  *
  *  Releases the mutex used while performing NVM operations.
  **/
-static void e1000_release_nvm_ich8lan(struct e1000_hw *hw)
+static void e1000_release_nvm_ich8lan(struct e1000_hw __always_unused *hw)
 {
         mutex_unlock(&nvm_mutex);
 }
diff --git a/drivers/net/ethernet/intel/e1000e/mac.c b/drivers/net/ethernet/intel/e1000e/mac.c
index 5992eefca54e..7365288f20f7 100644
--- a/drivers/net/ethernet/intel/e1000e/mac.c
+++ b/drivers/net/ethernet/intel/e1000e/mac.c
@@ -1356,8 +1356,8 @@ s32 e1000e_get_speed_and_duplex_copper(struct e1000_hw *hw, u16 *speed,
  *  Sets the speed and duplex to gigabit full duplex (the only possible option)
  *  for fiber/serdes links.
  **/
-s32 e1000e_get_speed_and_duplex_fiber_serdes(struct e1000_hw *hw, u16 *speed,
-                                             u16 *duplex)
+s32 e1000e_get_speed_and_duplex_fiber_serdes(struct e1000_hw __always_unused
+                                             *hw, u16 *speed, u16 *duplex)
 {
         *speed = SPEED_1000;
         *duplex = FULL_DUPLEX;
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 3bb7b014dd0e..eb01a55f60a6 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -1747,7 +1747,7 @@ static void e1000e_downshift_workaround(struct work_struct *work)
  * @irq: interrupt number
  * @data: pointer to a network interface device structure
  **/
-static irqreturn_t e1000_intr_msi(int irq, void *data)
+static irqreturn_t e1000_intr_msi(int __always_unused irq, void *data)
 {
         struct net_device *netdev = data;
         struct e1000_adapter *adapter = netdev_priv(netdev);
@@ -1813,7 +1813,7 @@ static irqreturn_t e1000_intr_msi(int irq, void *data)
  * @irq: interrupt number
  * @data: pointer to a network interface device structure
  **/
-static irqreturn_t e1000_intr(int irq, void *data)
+static irqreturn_t e1000_intr(int __always_unused irq, void *data)
 {
         struct net_device *netdev = data;
         struct e1000_adapter *adapter = netdev_priv(netdev);
@@ -1888,7 +1888,7 @@ static irqreturn_t e1000_intr(int irq, void *data)
         return IRQ_HANDLED;
 }
 
-static irqreturn_t e1000_msix_other(int irq, void *data)
+static irqreturn_t e1000_msix_other(int __always_unused irq, void *data)
 {
         struct net_device *netdev = data;
         struct e1000_adapter *adapter = netdev_priv(netdev);
@@ -1920,8 +1920,7 @@ no_link_interrupt:
         return IRQ_HANDLED;
 }
 
-
-static irqreturn_t e1000_intr_msix_tx(int irq, void *data)
+static irqreturn_t e1000_intr_msix_tx(int __always_unused irq, void *data)
 {
         struct net_device *netdev = data;
         struct e1000_adapter *adapter = netdev_priv(netdev);
@@ -1939,7 +1938,7 @@ static irqreturn_t e1000_intr_msix_tx(int irq, void *data)
         return IRQ_HANDLED;
 }
 
-static irqreturn_t e1000_intr_msix_rx(int irq, void *data)
+static irqreturn_t e1000_intr_msix_rx(int __always_unused irq, void *data)
 {
         struct net_device *netdev = data;
         struct e1000_adapter *adapter = netdev_priv(netdev);
@@ -2496,9 +2495,7 @@ void e1000e_free_rx_resources(struct e1000_ring *rx_ring)
  *      while increasing bulk throughput.  This functionality is controlled
  *      by the InterruptThrottleRate module parameter.
  **/
-static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
-                                     u16 itr_setting, int packets,
-                                     int bytes)
+static unsigned int e1000_update_itr(u16 itr_setting, int packets, int bytes)
 {
         unsigned int retval = itr_setting;
 
@@ -2558,18 +2555,16 @@ static void e1000_set_itr(struct e1000_adapter *adapter)
                 goto set_itr_now;
         }
 
-        adapter->tx_itr = e1000_update_itr(adapter,
-                                    adapter->tx_itr,
-                                    adapter->total_tx_packets,
-                                    adapter->total_tx_bytes);
+        adapter->tx_itr = e1000_update_itr(adapter->tx_itr,
+                                           adapter->total_tx_packets,
+                                           adapter->total_tx_bytes);
         /* conservative mode (itr 3) eliminates the lowest_latency setting */
         if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
                 adapter->tx_itr = low_latency;
 
-        adapter->rx_itr = e1000_update_itr(adapter,
-                                    adapter->rx_itr,
-                                    adapter->total_rx_packets,
-                                    adapter->total_rx_bytes);
+        adapter->rx_itr = e1000_update_itr(adapter->rx_itr,
+                                           adapter->total_rx_packets,
+                                           adapter->total_rx_bytes);
         /* conservative mode (itr 3) eliminates the lowest_latency setting */
         if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
                 adapter->rx_itr = low_latency;
@@ -4115,7 +4110,7 @@ static int e1000_sw_init(struct e1000_adapter *adapter)
  * @irq: interrupt number
  * @data: pointer to a network interface device structure
  **/
-static irqreturn_t e1000_intr_msi_test(int irq, void *data)
+static irqreturn_t e1000_intr_msi_test(int __always_unused irq, void *data)
 {
         struct net_device *netdev = data;
         struct e1000_adapter *adapter = netdev_priv(netdev);
@@ -6249,7 +6244,7 @@ static void e1000_shutdown(struct pci_dev *pdev)
 
 #ifdef CONFIG_NET_POLL_CONTROLLER
 
-static irqreturn_t e1000_intr_msix(int irq, void *data)
+static irqreturn_t e1000_intr_msix(int __always_unused irq, void *data)
 {
         struct net_device *netdev = data;
         struct e1000_adapter *adapter = netdev_priv(netdev);
diff --git a/drivers/net/ethernet/intel/e1000e/phy.c b/drivers/net/ethernet/intel/e1000e/phy.c
index 8dd1da018713..6f32811dbcf0 100644
--- a/drivers/net/ethernet/intel/e1000e/phy.c
+++ b/drivers/net/ethernet/intel/e1000e/phy.c
@@ -2178,7 +2178,7 @@ s32 e1000e_phy_hw_reset_generic(struct e1000_hw *hw)
  *  Generic function to wait 10 milli-seconds for configuration to complete
  *  and return success.
  **/
-s32 e1000e_get_cfg_done_generic(struct e1000_hw *hw)
+s32 e1000e_get_cfg_done_generic(struct e1000_hw __always_unused *hw)
 {
         mdelay(10);
 
diff --git a/drivers/net/ethernet/intel/e1000e/ptp.c b/drivers/net/ethernet/intel/e1000e/ptp.c
index 6b8df6587858..b477fa53ec94 100644
--- a/drivers/net/ethernet/intel/e1000e/ptp.c
+++ b/drivers/net/ethernet/intel/e1000e/ptp.c
@@ -165,8 +165,9 @@ static int e1000e_phc_settime(struct ptp_clock_info *ptp,
  * Enable (or disable) ancillary features of the PHC subsystem.
  * Currently, no ancillary features are supported.
  **/
-static int e1000e_phc_enable(struct ptp_clock_info *ptp,
-                             struct ptp_clock_request *request, int on)
+static int e1000e_phc_enable(struct ptp_clock_info __always_unused *ptp,
+                             struct ptp_clock_request __always_unused *request,
+                             int __always_unused on)
 {
         return -EOPNOTSUPP;
 }