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ptp_ocp: make ptp_ocp driver compatible with PTP_EXTTS_REQUEST2

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[ Upstream commit d3ca2ef0c9 ]

Originally ptp_ocp driver was not strictly checking flags for external
timestamper and was always activating rising edge timestamping as it's
the only supported mode. Recent changes to ptp made it incompatible with
PTP_EXTTS_REQUEST2 ioctl. Adjust ptp_clock_info to provide supported
mode and be compatible with new infra.

While at here remove explicit check of periodic output flags from the
driver and provide supported flags for ptp core to check.

Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20250918131146.651468-1-vadim.fedorenko@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Vadim Fedorenko
2025-09-18 13:11:46 +00:00
committed by Greg Kroah-Hartman
parent f3d2bc112b
commit a9c6cb47c4
1 changed files with 2 additions and 4 deletions
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6
drivers/ptp/ptp_ocp.c
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@@ -1485,6 +1485,8 @@ static const struct ptp_clock_info ptp_ocp_clock_info = {
.pps = true,
.n_ext_ts = 6,
.n_per_out = 5,
.supported_extts_flags = PTP_STRICT_FLAGS | PTP_RISING_EDGE,
.supported_perout_flags = PTP_PEROUT_DUTY_CYCLE | PTP_PEROUT_PHASE,
};
static void
@@ -2095,10 +2097,6 @@ ptp_ocp_signal_from_perout(struct ptp_ocp *bp, int gen,
{
struct ptp_ocp_signal s = { };
if (req->flags & ~(PTP_PEROUT_DUTY_CYCLE |
PTP_PEROUT_PHASE))
return -EOPNOTSUPP;
s.polarity = bp->signal[gen].polarity;
s.period = ktime_set(req->period.sec, req->period.nsec);
if (!s.period)