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Date: Mon, 19 Oct 2020 20:46:17 +0300 From: Vladimir Oltean <olteanv@...il.com> To: Christian Eggers <ceggers@...i.de> Cc: Florian Fainelli <f.fainelli@...il.com>, Andrew Lunn <andrew@...n.ch>, Vivien Didelot <vivien.didelot@...il.com>, Jakub Kicinski <kuba@...nel.org>, Rob Herring <robh+dt@...nel.org>, Helmut Grohne <helmut.grohne@...enta.de>, Paul Barker <pbarker@...sulko.com>, Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>, George McCollister <george.mccollister@...il.com>, Marek Vasut <marex@...x.de>, Tristram Ha <Tristram.Ha@...rochip.com>, "David S . Miller" <davem@...emloft.net>, Woojung Huh <woojung.huh@...rochip.com>, Microchip Linux Driver Support <UNGLinuxDriver@...rochip.com>, netdev@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [RFC PATCH net-next 8/9] net: dsa: microchip: ksz9477: add Pulse Per Second (PPS) support 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.
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