Re: [PATCH v11 net-next 15/15] net: mvpp2: add TX FC firmware check

[Russell King - ARM Linux admin]

On Tue, Feb 09, 2021 at 10:42:31AM +0200, stefanc@xxxxxxxxxxx wrote:
>  	if (priv->global_tx_fc && priv->hw_version != MVPP21) {
> -		val = mvpp2_cm3_read(priv, MSS_FC_COM_REG);
> -		val |= FLOW_CONTROL_ENABLE_BIT;
> -		mvpp2_cm3_write(priv, MSS_FC_COM_REG, val);
> +		err = mvpp2_enable_global_fc(priv);
> +		if (err) {
> +			dev_warn(&pdev->dev, "CM3 firmware not running, version should be higher than 18.09 ");
> +			dev_warn(&pdev->dev, "and chip revision B0\n");
> +			dev_warn(&pdev->dev, "Flow control not supported\n");

I would much rather this was:

			dev_warn(&pdev->dev, "Minimum of CM3 firmware 18.09 and chip revision B0 required for flow control\n");

rather than trying to split it across several kernel messages.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!