netdev - Re: [PATCH iwl-net] igc: Remove stale comment about Tx timestamping

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Message-ID: <d87f0752-a7ea-45b6-9a79-aac0c6cac882@intel.com>
Date: Thu, 14 Mar 2024 11:21:38 +0100
From: Przemek Kitszel <przemyslaw.kitszel@...el.com>
To: Kurt Kanzenbach <kurt@...utronix.de>, Jesse Brandeburg
	<jesse.brandeburg@...el.com>, Tony Nguyen <anthony.l.nguyen@...el.com>,
	"David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, "Vladimir
 Oltean" <vladimir.oltean@....com>, Vinicius Costa Gomes
	<vinicius.gomes@...el.com>, Muhammad Husaini Zulkifli
	<muhammad.husaini.zulkifli@...el.com>
CC: Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	<intel-wired-lan@...ts.osuosl.org>, <netdev@...r.kernel.org>
Subject: Re: [PATCH iwl-net] igc: Remove stale comment about Tx timestamping

On 3/13/24 14:03, Kurt Kanzenbach wrote:
> The initial igc Tx timestamping implementation used only one register for
> retrieving Tx timestamps. Commit 3ed247e78911 ("igc: Add support for
> multiple in-flight TX timestamps") added support for utilizing all four of
> them e.g., for multiple domain support. Remove the stale comment/FIXME.
> 
> Fixes: 3ed247e78911 ("igc: Add support for multiple in-flight TX timestamps")

I would remove fixes tag (but keep the mention in commit msg).
And I would also target it to iwl-next when the window will open.

Rationale: it's really not a fix.

> Signed-off-by: Kurt Kanzenbach <kurt@...utronix.de>
> ---
>   drivers/net/ethernet/intel/igc/igc_main.c | 4 ----
>   1 file changed, 4 deletions(-)
> 
> diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
> index 2e1cfbd82f4f..35ad40a803cb 100644
> --- a/drivers/net/ethernet/intel/igc/igc_main.c
> +++ b/drivers/net/ethernet/intel/igc/igc_main.c
> @@ -1642,10 +1642,6 @@ static netdev_tx_t igc_xmit_frame_ring(struct sk_buff *skb,
>   
>   	if (unlikely(test_bit(IGC_RING_FLAG_TX_HWTSTAMP, &tx_ring->flags) &&
>   		     skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)) {
> -		/* FIXME: add support for retrieving timestamps from
> -		 * the other timer registers before skipping the
> -		 * timestamping request.
> -		 */
>   		unsigned long flags;
>   		u32 tstamp_flags;
>   
> 
> ---
> base-commit: 67072c314f5f0ec12a7a51a19f7156eebb073654
> change-id: 20240313-igc_txts_comment-81629dfc8b8a
> 
> Best regards,