[PATCH net-next] net: stmmac: xgmac3+: add FPE handshaking support

[Jianheng Zhang]

Hi Andrew,  

> > +static int dwxgmac3_fpe_irq_status(void __iomem *ioaddr, struct net_device *dev)
> > +{
> > +	u32 value;
> > +	int status;
> >
> > -		writel(value, ioaddr + XGMAC_FPE_CTRL_STS);
> > -		return;
> > +	status = FPE_EVENT_UNKNOWN;
> > +
> > +	/* Reads from the XGMAC_FPE_CTRL_STS register should only be performed
> > +	 * here, since the status flags of MAC_FPE_CTRL_STS are "clear on read"
> > +	 */
> > +	value = readl(ioaddr + XGMAC_FPE_CTRL_STS);
> > +
> > +	if (value & XGMAC_TRSP) {
> > +		status |= FPE_EVENT_TRSP;
> > +		netdev_info(dev, "FPE: Respond mPacket is transmitted\n");
> 
> netdev_info()?  Is this going to spam the logs? Should it be netdev_dbg()

Yes, netdev_dbg() should be better, let me fix it in the next patch.

Jianheng
> 
> 	Andrew