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Message-ID: <ZcTNCxrWTAfj90Es@boxer>
Date: Thu, 8 Feb 2024 13:46:03 +0100
From: Maciej Fijalkowski <maciej.fijalkowski@...el.com>
To: Kurt Kanzenbach <kurt@...utronix.de>
CC: Alexandre Torgue <alexandre.torgue@...s.st.com>, Jose Abreu
<joabreu@...opsys.com>, "David S. Miller" <davem@...emloft.net>, Eric Dumazet
<edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni
<pabeni@...hat.com>, Maxime Coquelin <mcoquelin.stm32@...il.com>, "Yannick
Vignon" <yannick.vignon@....com>, Sebastian Andrzej Siewior
<bigeasy@...utronix.de>, <netdev@...r.kernel.org>,
<linux-stm32@...md-mailman.stormreply.com>,
<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH net-next] net: stmmac: Simplify mtl IRQ status checking
On Thu, Feb 08, 2024 at 11:35:25AM +0100, Kurt Kanzenbach wrote:
> Commit 8a7cb245cf28 ("net: stmmac: Do not enable RX FIFO overflow
> interrupts") disabled the RX FIFO overflow interrupts. However, it left the
> status variable around, but never checks it.
>
> As stmmac_host_mtl_irq_status() returns only 0 now, the code can be
> simplified.
>
> Signed-off-by: Kurt Kanzenbach <kurt@...utronix.de>
> ---
> drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
> index 04d817dc5899..10ce2f272b62 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
> @@ -6036,10 +6036,8 @@ static void stmmac_common_interrupt(struct stmmac_priv *priv)
> priv->tx_path_in_lpi_mode = false;
> }
>
> - for (queue = 0; queue < queues_count; queue++) {
> - status = stmmac_host_mtl_irq_status(priv, priv->hw,
> - queue);
> - }
> + for (queue = 0; queue < queues_count; queue++)
> + stmmac_host_mtl_irq_status(priv, priv->hw, queue);
Hey Kurt,
looks to me that all of the current callbacks just return 0 so why not
make them return void instead?
>
> /* PCS link status */
> if (priv->hw->pcs &&
>
> ---
> base-commit: 006e89649fa913e285b931f1b8dfd6485d153ca7
> change-id: 20240208-stmmac_irq-57682fa778c9
>
> Best regards,
> --
> Kurt Kanzenbach <kurt@...utronix.de>
>
>
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