Re: [RFC PATCH net-next 8/9] net: dsa: microchip: ksz9477: add Pulse Per Second (PPS) support
From: Vladimir Oltean <olteanv@gmail.com>
Date: 2020-10-19 17:46:24
Also in:
linux-devicetree, lkml
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.