linux-kernel - Re: [PATCH net-next v3 08/10] net: stmmac: platform: support parsing safety irqs from DT

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Date:   Thu, 10 Aug 2023 16:52:27 +0200
From:   Alexandre TORGUE <alexandre.torgue@...s.st.com>
To:     Jisheng Zhang <jszhang@...nel.org>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Jose Abreu <joabreu@...opsys.com>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH net-next v3 08/10] net: stmmac: platform: support parsing
 safety irqs from DT

On 8/9/23 18:50, Jisheng Zhang wrote:
> The snps dwmac IP may support safety features, and those Safety
> Feature Correctible Error and Uncorrectible Error irqs may be
> separate irqs. Add support to parse the safety irqs from DT.
> 
> Signed-off-by: Jisheng Zhang <jszhang@...nel.org>
> ---
>   .../net/ethernet/stmicro/stmmac/stmmac_platform.c    | 12 ++++++++++++
>   1 file changed, 12 insertions(+)
> 
> diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
> index 23d53ea04b24..29145682b57b 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
> @@ -738,6 +738,18 @@ int stmmac_get_platform_resources(struct platform_device *pdev,
>   		dev_info(&pdev->dev, "IRQ eth_lpi not found\n");
>   	}
>   
> +	stmmac_res->sfty_ce_irq = platform_get_irq_byname_optional(pdev, "sfty_ce");
> +	if (stmmac_res->sfty_ce_irq < 0) {
> +		if (stmmac_res->sfty_ce_irq == -EPROBE_DEFER)
> +			return -EPROBE_DEFER;
> +	}
> +
> +	stmmac_res->sfty_ue_irq = platform_get_irq_byname_optional(pdev, "sfty_ue");
> +	if (stmmac_res->sfty_ue_irq < 0) {
> +		if (stmmac_res->sfty_ue_irq == -EPROBE_DEFER)
> +			return -EPROBE_DEFER;
> +	}
> +
>   	stmmac_res->addr = devm_platform_ioremap_resource(pdev, 0);
>   
>   	return PTR_ERR_OR_ZERO(stmmac_res->addr);
Acked-by: Alexandre TORGUE <alexandre.torgue@...s.st.com>

Regards
Alex