netdev - [PATCH iwl-next v2 4/5] igc: drop unnecessary constant casts to u16

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Message-ID: <42811fde-9b80-44a5-bc0e-74d204e05fe7@jacekk.info>
Date: Tue, 8 Jul 2025 10:18:10 +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 4/5] igc: 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/igc/igc_i225.c | 2 +-
 drivers/net/ethernet/intel/igc/igc_nvm.c  | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/intel/igc/igc_i225.c b/drivers/net/ethernet/intel/igc/igc_i225.c
index 0dd61719f1ed..5226d10cc95b 100644
--- a/drivers/net/ethernet/intel/igc/igc_i225.c
+++ b/drivers/net/ethernet/intel/igc/igc_i225.c
@@ -435,7 +435,7 @@ static s32 igc_update_nvm_checksum_i225(struct igc_hw *hw)
 		}
 		checksum += nvm_data;
 	}
-	checksum = (u16)NVM_SUM - checksum;
+	checksum = NVM_SUM - checksum;
 	ret_val = igc_write_nvm_srwr(hw, NVM_CHECKSUM_REG, 1,
 				     &checksum);
 	if (ret_val) {
diff --git a/drivers/net/ethernet/intel/igc/igc_nvm.c b/drivers/net/ethernet/intel/igc/igc_nvm.c
index efd121c03967..a47b8d39238c 100644
--- a/drivers/net/ethernet/intel/igc/igc_nvm.c
+++ b/drivers/net/ethernet/intel/igc/igc_nvm.c
@@ -123,7 +123,7 @@ s32 igc_validate_nvm_checksum(struct igc_hw *hw)
 		checksum += nvm_data;
 	}

-	if (checksum != (u16)NVM_SUM) {
+	if (checksum != NVM_SUM) {
 		hw_dbg("NVM Checksum Invalid\n");
 		ret_val = -IGC_ERR_NVM;
 		goto out;
@@ -155,7 +155,7 @@ s32 igc_update_nvm_checksum(struct igc_hw *hw)
 		}
 		checksum += nvm_data;
 	}
-	checksum = (u16)NVM_SUM - checksum;
+	checksum = NVM_SUM - checksum;
 	ret_val = hw->nvm.ops.write(hw, NVM_CHECKSUM_REG, 1, &checksum);
 	if (ret_val)
 		hw_dbg("NVM Write Error while updating checksum.\n");
-- 
2.47.2