On Thu, Sep 03, 2020 at 03:39:40AM +0200, Andrew Lunn wrote:
> > +static void mvpp2_isr_handle_ptp_queue(struct mvpp2_port *port, int nq)
> > +{
> > + void __iomem *ptp_q;
> > + u32 r0, r1, r2;
> > +
> > + ptp_q = port->priv->iface_base + MVPP22_PTP_BASE(port->gop_id);
> > + if (nq)
> > + ptp_q += MVPP22_PTP_TX_Q1_R0 - MVPP22_PTP_TX_Q0_R0;
> > +
> > + while (1) {
> > + r0 = readl_relaxed(ptp_q + MVPP22_PTP_TX_Q0_R0) & 0xffff;
> > + if (!r0)
> > + break;
> > +
> > + r1 = readl_relaxed(ptp_q + MVPP22_PTP_TX_Q0_R1) & 0xffff;
> > + r2 = readl_relaxed(ptp_q + MVPP22_PTP_TX_Q0_R2) & 0xffff;
> > + }
> > +}
>
> Hi Russell
>
> That is a rather odd interrupt handler, basically throwing everything
> away. Maybe add a comment about what is going on?
We end up doing something with it in the following patch. I could
squash 6 and 7 together, which would avoid this.
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