linux-kernel - Re: [PATCH] net: stmmac: dwmac-sun8i: use return val of readl_poll

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Date:   Wed, 26 Jan 2022 18:14:25 +0100
From:   Jernej Škrabec <jernej.skrabec@...il.com>
To:     Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Jisheng Zhang <jszhang@...nel.org>
Cc:     netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: stmmac: dwmac-sun8i: use return val of readl_poll_timeout()

Hi!

Dne sreda, 26. januar 2022 ob 17:52:15 CET je Jisheng Zhang napisal(a):
> When readl_poll_timeout() timeout, we'd better directly use its return
> value.
> 
> Before this patch:
> [    2.145528] dwmac-sun8i: probe of 4500000.ethernet failed with error -14
> 
> After this patch:
> [    2.138520] dwmac-sun8i: probe of 4500000.ethernet failed with error -110
> 
> Signed-off-by: Jisheng Zhang <jszhang@...nel.org>

Acked-by: Jernej Skrabec <jernej.skrabec@...il.com>

Best regards,
Jernej

> ---
>  drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c b/drivers/net/
ethernet/stmicro/stmmac/dwmac-sun8i.c
> index 617d0e4c6495..09644ab0d87a 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
> @@ -756,7 +756,7 @@ static int sun8i_dwmac_reset(struct stmmac_priv *priv)
>  
>  	if (err) {
>  		dev_err(priv->device, "EMAC reset timeout\n");
> -		return -EFAULT;
> +		return err;
>  	}
>  	return 0;
>  }
> -- 
> 2.34.1
> 
>