Re: [PATCH 4/4] igc: drop checksum constant cast to u16 in comparisons

[Simon Horman]

On Tue, Jun 24, 2025 at 09:31:08PM +0200, Jacek Kowalski wrote:
> Signed-off-by: Jacek Kowalski <Jacek@xxxxxxxxxxx>
> Suggested-by: Simon Horman <horms@xxxxxxxxxx>
> ---
>  drivers/net/ethernet/intel/igc/igc_nvm.c | 2 +-

I think we should add this:

diff --git a/drivers/net/ethernet/intel/igc/igc_nvm.c b/drivers/net/ethernet/intel/igc/igc_nvm.c
index c4fb35071636..a47b8d39238c 100644
--- a/drivers/net/ethernet/intel/igc/igc_nvm.c
+++ b/drivers/net/ethernet/intel/igc/igc_nvm.c
@@ -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");