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Message-ID: <a8d13528857151652f39ce840567fad8650139e7.camel@microchip.com>
Date: Wed, 30 Nov 2022 04:48:35 +0000
From: <Arun.Ramadoss@...rochip.com>
To: <pavan.chebbi@...adcom.com>
CC: <andrew@...n.ch>, <linux-kernel@...r.kernel.org>,
<UNGLinuxDriver@...rochip.com>, <vivien.didelot@...il.com>,
<olteanv@...il.com>, <linux@...linux.org.uk>, <ceggers@...i.de>,
<Tristram.Ha@...rochip.com>, <f.fainelli@...il.com>,
<kuba@...nel.org>, <edumazet@...gle.com>, <pabeni@...hat.com>,
<richardcochran@...il.com>, <netdev@...r.kernel.org>,
<Woojung.Huh@...rochip.com>, <davem@...emloft.net>
Subject: Re: [Patch net-next v1 11/12] net: dsa: microchip: ptp: add periodic
output signal
On Tue, 2022-11-29 at 15:27 +0530, Pavan Chebbi wrote:
> On Tue, Nov 29, 2022 at 2:23 PM Pavan Chebbi <
> pavan.chebbi@...adcom.com> wrote:
> >
> > On Mon, Nov 28, 2022 at 4:05 PM Arun Ramadoss
> > <arun.ramadoss@...rochip.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.
Ok. I will update -EINVAL to -EOPNOTSUPP.
>
> > > + }
> > > +
> > > + 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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