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SubjectRe: [Patch net-next v1 11/12] net: dsa: microchip: ptp: add periodic output signal
On Tue, Nov 29, 2022 at 2:23 PM Pavan Chebbi <pavan.chebbi@broadcom.com> wrote:
>
> On Mon, Nov 28, 2022 at 4:05 PM Arun Ramadoss
> <arun.ramadoss@microchip.com> wrote:
>
> > +static int ksz_ptp_enable(struct ptp_clock_info *ptp,
> > + struct ptp_clock_request *req, int on)
> > +{
> > + struct ksz_ptp_data *ptp_data = ptp_caps_to_data(ptp);
> > + struct ksz_device *dev = ptp_data_to_ksz_dev(ptp_data);
> > + struct ptp_perout_request *request = &req->perout;
> > + int ret;
> > +
> > + switch (req->type) {
> > + case PTP_CLK_REQ_PEROUT:
> > + if (request->index > ptp->n_per_out)
> > + return -EINVAL;
>
> Should be -EOPNOTSUPP ? I see some other places where -EOPNOTSUPP is
> more appropriate.
>
> > +
> > + mutex_lock(&ptp_data->lock);
> > + ret = ksz_ptp_enable_perout(dev, request, on);
> > + mutex_unlock(&ptp_data->lock);
> > + break;
> > + default:
> > + return -EINVAL;

OK I really meant here.

> > + }
> > +
> > + return ret;
> > +}
> > +
> > /* Function is pointer to the do_aux_work in the ptp_clock capability */
> > static long ksz_ptp_do_aux_work(struct ptp_clock_info *ptp)
> > {
> > @@ -508,6 +823,8 @@ static const struct ptp_clock_info ksz_ptp_caps = {
> > .adjfine = ksz_ptp_adjfine,
> > .adjtime = ksz_ptp_adjtime,
> > .do_aux_work = ksz_ptp_do_aux_work,
> > + .enable = ksz_ptp_enable,
> > + .n_per_out = 3,
> > };
> >
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