Re: [PATCH net-next v2 8/8] net: mscc: PTP Hardware Clock (PHC) support

[Richard Cochran]

On Fri, Jul 05, 2019 at 09:52:13PM +0200, Antoine Tenart wrote:
> +static irqreturn_t ocelot_ptp_rdy_irq_handler(int irq, void *arg)
> +{
> +     struct ocelot *ocelot = arg;
> +
> +     do {

> +             /* Check if a timestamp can be retrieved */
> +             if (!(val & SYS_PTP_STATUS_PTP_MESS_VLD))
> +                     break;

As in my reply on v1, I suggest adding a sanity check on this ISR's
infinite loop.

> +     } while (true);
> +
> +     return IRQ_HANDLED;
> +}

Thanks,
Richard