netdev - [PATCH iwl-next v2 2/5] e1000e: drop unnecessary constant casts to u16

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Message-ID: <faa67583-4981-4c99-8eed-56e60140c28f@jacekk.info>
Date: Tue, 8 Jul 2025 10:17:22 +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 2/5] e1000e: 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/e1000e/ethtool.c | 2 +-
 drivers/net/ethernet/intel/e1000e/nvm.c     | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/intel/e1000e/ethtool.c b/drivers/net/ethernet/intel/e1000e/ethtool.c
index c0bbb12eed2e..5d8c66253779 100644
--- a/drivers/net/ethernet/intel/e1000e/ethtool.c
+++ b/drivers/net/ethernet/intel/e1000e/ethtool.c
@@ -959,7 +959,7 @@ static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
 	}

 	/* If Checksum is not Correct return error else test passed */
-	if ((checksum != (u16)NVM_SUM) && !(*data))
+	if ((checksum != NVM_SUM) && !(*data))
 		*data = 2;

 	return *data;
diff --git a/drivers/net/ethernet/intel/e1000e/nvm.c b/drivers/net/ethernet/intel/e1000e/nvm.c
index 16369e6d245a..4bde1c9de1b9 100644
--- a/drivers/net/ethernet/intel/e1000e/nvm.c
+++ b/drivers/net/ethernet/intel/e1000e/nvm.c
@@ -564,7 +564,7 @@ s32 e1000e_validate_nvm_checksum_generic(struct e1000_hw *hw)
 		return 0;
 	}

-	if (checksum != (u16)NVM_SUM) {
+	if (checksum != NVM_SUM) {
 		e_dbg("NVM Checksum Invalid\n");
 		return -E1000_ERR_NVM;
 	}
@@ -594,7 +594,7 @@ s32 e1000e_update_nvm_checksum_generic(struct e1000_hw *hw)
 		}
 		checksum += nvm_data;
 	}
-	checksum = (u16)NVM_SUM - checksum;
+	checksum = NVM_SUM - checksum;
 	ret_val = e1000_write_nvm(hw, NVM_CHECKSUM_REG, 1, &checksum);
 	if (ret_val)
 		e_dbg("NVM Write Error while updating checksum.\n");
-- 
2.47.2