Re: [RFC PATCH net-next 8/9] net: dsa: microchip: ksz9477: add Pulse Per Second (PPS) support

Vladimir Oltean
2020-10-19T17:46:25Z

On Mon, Oct 19, 2020 at 07:24:34PM +0200, Christian Eggers wrote:
> static int ksz9477_ptp_enable(struct ptp_clock_info *ptp, struct ptp_clock_request *req, int on)
> {
> - return -ENOTTY;
> + struct ksz_device *dev = container_of(ptp, struct ksz_device, ptp_caps);
> + int ret;
> +
> + switch (req->type) {
> + case PTP_CLK_REQ_PPS:
> + mutex_lock(&dev->ptp_mutex);
> + ret = ksz9477_ptp_enable_pps(dev, on);
> + mutex_unlock(&dev->ptp_mutex);
> + return ret;
> + default:
> + return -EINVAL;
> + }
> +
> + return 0;
> }

Nope, this is not what you're looking for. Please implement
PTP_CLK_REQ_PEROUT.