net: ena: cosmetic: remove unnecessary code

1. Remove unused definition of DRV_MODULE_VERSION
2. Remove {} from single line-of-code ifs
3. Remove unnecessary comments from ena_get/set_coalesce()
4. Remove unnecessary extra spaces and newlines

Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/amazon/ena/ena_ethtool.c

@@ -206,7 +206,7 @@ int ena_get_sset_count(struct net_device *netdev, int sset)
 	if (sset != ETH_SS_STATS)
 		return -EOPNOTSUPP;
 
-	return  adapter->num_io_queues * (ENA_STATS_ARRAY_TX + ENA_STATS_ARRAY_RX)
+	return adapter->num_io_queues * (ENA_STATS_ARRAY_TX + ENA_STATS_ARRAY_RX)
 		+ ENA_STATS_ARRAY_GLOBAL + ENA_STATS_ARRAY_ENA_COM;
 }
 
@@ -260,7 +260,6 @@ static void ena_get_strings(struct net_device *netdev, u32 sset, u8 *data)
 
 	for (i = 0; i < ENA_STATS_ARRAY_GLOBAL; i++) {
 		ena_stats = &ena_stats_global_strings[i];
-
 		memcpy(data, ena_stats->name, ETH_GSTRING_LEN);
 		data += ETH_GSTRING_LEN;
 	}
@@ -307,10 +306,8 @@ static int ena_get_coalesce(struct net_device *net_dev,
 	struct ena_adapter *adapter = netdev_priv(net_dev);
 	struct ena_com_dev *ena_dev = adapter->ena_dev;
 
-	if (!ena_com_interrupt_moderation_supported(ena_dev)) {
-		/* the devie doesn't support interrupt moderation */
+	if (!ena_com_interrupt_moderation_supported(ena_dev))
 		return -EOPNOTSUPP;
-	}
 
 	coalesce->tx_coalesce_usecs =
 		ena_com_get_nonadaptive_moderation_interval_tx(ena_dev) *
@@ -355,10 +352,8 @@ static int ena_set_coalesce(struct net_device *net_dev,
 	struct ena_com_dev *ena_dev = adapter->ena_dev;
 	int rc;
 
-	if (!ena_com_interrupt_moderation_supported(ena_dev)) {
-		/* the devie doesn't support interrupt moderation */
+	if (!ena_com_interrupt_moderation_supported(ena_dev))
 		return -EOPNOTSUPP;
-	}
 
 	rc = ena_com_update_nonadaptive_moderation_interval_tx(ena_dev,
 							       coalesce->tx_coalesce_usecs);

drivers/net/ethernet/amazon/ena/ena_netdev.h

@@ -50,12 +50,6 @@
 #define DRV_MODULE_GEN_SUBMINOR 0
 
 #define DRV_MODULE_NAME		"ena"
-#ifndef DRV_MODULE_GENERATION
-#define DRV_MODULE_GENERATION \
-	__stringify(DRV_MODULE_GEN_MAJOR) "."	\
-	__stringify(DRV_MODULE_GEN_MINOR) "."	\
-	__stringify(DRV_MODULE_GEN_SUBMINOR) "K"
-#endif
 
 #define DEVICE_NAME	"Elastic Network Adapter (ENA)"