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Message-ID: <9e21249d-b5a7-4949-b724-e29d7b7ea417@jacekk.info>
Date: Wed, 23 Jul 2025 10:55:37 +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 v3 5/5] ixgbe: drop unnecessary casts to u16 / int

Remove unnecessary casts of constant values to u16.
C's integer promotion rules make them ints no matter what.

Additionally drop cast from u16 to int in return statements.

Signed-off-by: Jacek Kowalski <jacek@...ekk.info>
Suggested-by: Simon Horman <horms@...nel.org>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_common.c | 4 ++--
 drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c   | 4 ++--
 drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c   | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
index 4ff19426ab74..3ea6765f9c5d 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
@@ -1739,9 +1739,9 @@ int ixgbe_calc_eeprom_checksum_generic(struct ixgbe_hw *hw)
 		}
 	}
 
-	checksum = (u16)IXGBE_EEPROM_SUM - checksum;
+	checksum = IXGBE_EEPROM_SUM - checksum;
 
-	return (int)checksum;
+	return checksum;
 }
 
 /**
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c
index c2353aed0120..e67e2feb045b 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c
@@ -373,9 +373,9 @@ static int ixgbe_calc_eeprom_checksum_X540(struct ixgbe_hw *hw)
 		}
 	}
 
-	checksum = (u16)IXGBE_EEPROM_SUM - checksum;
+	checksum = IXGBE_EEPROM_SUM - checksum;
 
-	return (int)checksum;
+	return checksum;
 }
 
 /**
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
index bfa647086c70..650c3e522c3e 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
@@ -1060,9 +1060,9 @@ static int ixgbe_calc_checksum_X550(struct ixgbe_hw *hw, u16 *buffer,
 			return status;
 	}
 
-	checksum = (u16)IXGBE_EEPROM_SUM - checksum;
+	checksum = IXGBE_EEPROM_SUM - checksum;
 
-	return (int)checksum;
+	return checksum;
 }
 
 /** ixgbe_calc_eeprom_checksum_X550 - Calculates and returns the checksum
-- 
2.47.2


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