linux-kernel - Re: [PATCH v5 07/12] net: stmmac: dwmac-stm32: Mask support for PMCR configuration

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Message-ID: <379a013a-5385-4b74-ad68-12e73253a8b5@denx.de>
Date: Fri, 7 Jun 2024 14:45:53 +0200
From: Marek Vasut <marex@...x.de>
To: Christophe Roullier <christophe.roullier@...s.st.com>,
 "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>,
 Maxime Coquelin <mcoquelin.stm32@...il.com>,
 Alexandre Torgue <alexandre.torgue@...s.st.com>,
 Richard Cochran <richardcochran@...il.com>, Jose Abreu
 <joabreu@...opsys.com>, Liam Girdwood <lgirdwood@...il.com>,
 Mark Brown <broonie@...nel.org>
Cc: netdev@...r.kernel.org, devicetree@...r.kernel.org,
 linux-stm32@...md-mailman.stormreply.com,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 07/12] net: stmmac: dwmac-stm32: Mask support for PMCR
 configuration

On 6/7/24 11:57 AM, Christophe Roullier wrote:

[...]

> @@ -348,8 +352,15 @@ static int stm32_dwmac_parse_data(struct stm32_dwmac *dwmac,
>   		return PTR_ERR(dwmac->regmap);
>   
>   	err = of_property_read_u32_index(np, "st,syscon", 1, &dwmac->mode_reg);
> -	if (err)
> +	if (err) {
>   		dev_err(dev, "Can't get sysconfig mode offset (%d)\n", err);
> +		return err;
> +	}
> +
> +	dwmac->mode_mask = SYSCFG_MP1_ETH_MASK;
> +	err = of_property_read_u32_index(np, "st,syscon", 2, &dwmac->mode_mask);
> +	if (err)
> +		pr_debug("Warning sysconfig register mask not set\n");

Isn't this ^ an error ? If so, use dev_err(), else use dev_dbg()

>   	return err;
>   }

[...]