linux-kernel - Re: [PATCH v9 net-next 03/15] net: mvpp2: add CM3 SRAM memory map

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Date:   Sun, 7 Feb 2021 22:32:09 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     stefanc@...vell.com
Cc:     netdev@...r.kernel.org, thomas.petazzoni@...tlin.com,
        davem@...emloft.net, nadavh@...vell.com, ymarkman@...vell.com,
        linux-kernel@...r.kernel.org, kuba@...nel.org,
        linux@...linux.org.uk, mw@...ihalf.com, rmk+kernel@...linux.org.uk,
        atenart@...nel.org, devicetree@...r.kernel.org, robh+dt@...nel.org,
        sebastian.hesselbarth@...il.com, gregory.clement@...tlin.com,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v9 net-next 03/15] net: mvpp2: add CM3 SRAM memory map

> +static int mvpp2_get_sram(struct platform_device *pdev,
> +			  struct mvpp2 *priv)
> +{
> +	struct resource *res;
> +
> +	res = platform_get_resource(pdev, IORESOURCE_MEM, 2);
> +	if (!res) {
> +		if (has_acpi_companion(&pdev->dev))
> +			dev_warn(&pdev->dev, "ACPI is too old, Flow control not supported\n");
> +		else
> +			dev_warn(&pdev->dev, "DT is too old, Flow control not supported\n");
> +		return 0;
> +	}
> +
> +	priv->cm3_base = devm_ioremap_resource(&pdev->dev, res);
> +	if (IS_ERR(priv->cm3_base))
> +		return PTR_ERR(priv->cm3_base);
> +
> +	return 0;
> +}

This looks much better. Thanks

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew