From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4031D25BF06; Wed, 25 Jun 2025 12:22:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750854164; cv=none; b=ag7oUAFynddZtRz65fqDrRp6tm9tki0h71TUwn0r+J5OyotmwIZ1iy+s7yXLvW2+OFjhRETm5p4abjMcYnUAoxyPN7QEy+ERg1H5gZ4wvYhzOPr+5dD4Tows6PwPUJXcSD5Enln43anWihlw/9pfZ7CQaEboGQUGVIDOBru940Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750854164; c=relaxed/simple; bh=wkVGryBaCpPd1NvNZOe7YYPCa/Neq2VMCi4HihyJ7xU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=C3KMew9Us5QkhjcU0zt+ElWnqBuQAz1HfL4fvlp4sy8wCAK51G2o6Anc2zdv/xCmj5vYg+cgVl0O/ZY//zIQrx2RKIO/02WkNFFiPS8OqDB8sJtUSeHN7GNEHakfZuKno2+yJpDVoC6JYyXEtxgW67IwvulKC4Cy2fgV1dHUqKc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=quK9fvsH; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="quK9fvsH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A84A1C4CEEA; Wed, 25 Jun 2025 12:22:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1750854163; bh=wkVGryBaCpPd1NvNZOe7YYPCa/Neq2VMCi4HihyJ7xU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=quK9fvsH4UXmpUu60MSRW1iQNEjuq8IdOP7pt1+LbBeRRJEWO1TBbuzlfuXM0DZ8d LaTFyeGBQoQCO+Ym/F+ifNYiznxvNn3i5HxnRXp7D5amEIXgl80bz8r/wUkW6PqKD8 Uc+202/3AazXAbnLji1WX2KE9cqUbG6wvahPk4ZV+M4y5475gDT+/nrGKFAYXGe5bF 8xuwnE1uJvczOZLqc2DKsWVUPxnmSL3LiUYzMGDXFUjZjJPVa5F57c4qZ5CzV6JpTJ VWj5JlKExq8P2k+B37Q+VwbnHofGzJFb8zieSPLK+u+JmU+yBt85PGOqr6nP6NimM+ mhLaAZQ6oMUZA== Date: Wed, 25 Jun 2025 13:22:39 +0100 From: Simon Horman To: Jacek Kowalski Cc: Tony Nguyen , Przemek Kitszel , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 4/4] igc: drop checksum constant cast to u16 in comparisons Message-ID: <20250625122239.GE1562@horms.kernel.org> References: <46b2b70d-bf53-4b0a-a9f3-dfd8493295b9@jacekk.info> <5589e73f-2f18-4c08-8d10-0498555dd6be@jacekk.info> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5589e73f-2f18-4c08-8d10-0498555dd6be@jacekk.info> On Tue, Jun 24, 2025 at 09:31:08PM +0200, Jacek Kowalski wrote: > Signed-off-by: Jacek Kowalski > Suggested-by: Simon Horman > --- > 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");