From: Hubert Feurstein <h.feurstein@gmail.com>
To: netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Hubert Feurstein <h.feurstein@gmail.com>,
Andrew Lunn <andrew@lunn.ch>,
Vivien Didelot <vivien.didelot@gmail.com>,
Florian Fainelli <f.fainelli@gmail.com>,
"David S. Miller" <davem@davemloft.net>
Subject: [PATCH] net: dsa: mv88e6xxx: extend PTP gettime function to read system clock
Date: Tue, 30 Jul 2019 12:10:07 +0200 [thread overview]
Message-ID: <20190730101007.344-1-h.feurstein@gmail.com> (raw)
This adds support for the PTP_SYS_OFFSET_EXTENDED ioctl.
Signed-off-by: Hubert Feurstein <h.feurstein@gmail.com>
---
drivers/net/dsa/mv88e6xxx/ptp.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/ptp.c b/drivers/net/dsa/mv88e6xxx/ptp.c
index 51cdf4712517..1ff983376f95 100644
--- a/drivers/net/dsa/mv88e6xxx/ptp.c
+++ b/drivers/net/dsa/mv88e6xxx/ptp.c
@@ -230,14 +230,17 @@ static int mv88e6xxx_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
return 0;
}
-static int mv88e6xxx_ptp_gettime(struct ptp_clock_info *ptp,
- struct timespec64 *ts)
+static int mv88e6xxx_ptp_gettimex(struct ptp_clock_info *ptp,
+ struct timespec64 *ts,
+ struct ptp_system_timestamp *sts)
{
struct mv88e6xxx_chip *chip = ptp_to_chip(ptp);
u64 ns;
mv88e6xxx_reg_lock(chip);
+ ptp_read_system_prets(sts);
ns = timecounter_read(&chip->tstamp_tc);
+ ptp_read_system_postts(sts);
mv88e6xxx_reg_unlock(chip);
*ts = ns_to_timespec64(ns);
@@ -386,7 +389,7 @@ static void mv88e6xxx_ptp_overflow_check(struct work_struct *work)
struct mv88e6xxx_chip *chip = dw_overflow_to_chip(dw);
struct timespec64 ts;
- mv88e6xxx_ptp_gettime(&chip->ptp_clock_info, &ts);
+ mv88e6xxx_ptp_gettimex(&chip->ptp_clock_info, &ts, NULL);
schedule_delayed_work(&chip->overflow_work,
MV88E6XXX_TAI_OVERFLOW_PERIOD);
@@ -444,7 +447,7 @@ int mv88e6xxx_ptp_setup(struct mv88e6xxx_chip *chip)
chip->ptp_clock_info.max_adj = MV88E6XXX_MAX_ADJ_PPB;
chip->ptp_clock_info.adjfine = mv88e6xxx_ptp_adjfine;
chip->ptp_clock_info.adjtime = mv88e6xxx_ptp_adjtime;
- chip->ptp_clock_info.gettime64 = mv88e6xxx_ptp_gettime;
+ chip->ptp_clock_info.gettimex64 = mv88e6xxx_ptp_gettimex;
chip->ptp_clock_info.settime64 = mv88e6xxx_ptp_settime;
chip->ptp_clock_info.enable = ptp_ops->ptp_enable;
chip->ptp_clock_info.verify = ptp_ops->ptp_verify;
--
2.22.0
next reply other threads:[~2019-07-30 10:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-30 10:10 Hubert Feurstein [this message]
2019-07-30 14:00 ` [PATCH] net: dsa: mv88e6xxx: extend PTP gettime function to read system clock Andrew Lunn
2019-08-01 22:17 ` David Miller
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