netdev - [PATCH iwl-next v2 1/5] e1000: drop unnecessary constant casts to u16

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Message-ID: <e199da76-00d0-43d3-8f61-f433bc0352ad@jacekk.info>
Date: Tue, 8 Jul 2025 10:16:52 +0200
From: Jacek Kowalski <jacek@...ekk.info>
To: Tony Nguyen <anthony.l.nguyen@...el.com>,
 Przemek Kitszel <przemyslaw.kitszel@...el.com>,
 Andrew Lunn <andrew+netdev@...n.ch>, "David S. Miller"
 <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 Simon Horman <horms@...nel.org>
Cc: intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org
Subject: [PATCH iwl-next v2 1/5] e1000: drop unnecessary constant casts to u16

Remove unnecessary casts of constant values to u16.
Let the C type system do it's job.

Signed-off-by: Jacek Kowalski <Jacek@...ekk.info>
Suggested-by: Simon Horman <horms@...nel.org>
---
 drivers/net/ethernet/intel/e1000/e1000_ethtool.c | 2 +-
 drivers/net/ethernet/intel/e1000/e1000_hw.c      | 4 ++--
 drivers/net/ethernet/intel/e1000/e1000_main.c    | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c
index d06d29c6c037..d152026a027b 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c
@@ -806,7 +806,7 @@ static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
 	}
 
 	/* If Checksum is not Correct return error else test passed */
-	if ((checksum != (u16)EEPROM_SUM) && !(*data))
+	if ((checksum != EEPROM_SUM) && !(*data))
 		*data = 2;
 
 	return *data;
diff --git a/drivers/net/ethernet/intel/e1000/e1000_hw.c b/drivers/net/ethernet/intel/e1000/e1000_hw.c
index f9328f2e669f..0e5de52b1067 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_hw.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_hw.c
@@ -3970,7 +3970,7 @@ s32 e1000_validate_eeprom_checksum(struct e1000_hw *hw)
 		return E1000_SUCCESS;
 
 #endif
-	if (checksum == (u16)EEPROM_SUM)
+	if (checksum == EEPROM_SUM)
 		return E1000_SUCCESS;
 	else {
 		e_dbg("EEPROM Checksum Invalid\n");
@@ -3997,7 +3997,7 @@ s32 e1000_update_eeprom_checksum(struct e1000_hw *hw)
 		}
 		checksum += eeprom_data;
 	}
-	checksum = (u16)EEPROM_SUM - checksum;
+	checksum = EEPROM_SUM - checksum;
 	if (e1000_write_eeprom(hw, EEPROM_CHECKSUM_REG, 1, &checksum) < 0) {
 		e_dbg("EEPROM Write Error\n");
 		return -E1000_ERR_EEPROM;
diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index d8595e84326d..09acba2ed483 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -313,7 +313,7 @@ static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
 		} else {
 			adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
 		}
-		if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
+		if ((old_vid != E1000_MNG_VLAN_NONE) &&
 		    (vid != old_vid) &&
 		    !test_bit(old_vid, adapter->active_vlans))
 			e1000_vlan_rx_kill_vid(netdev, htons(ETH_P_8021Q),
-- 
2.47.2