diff options
| author |   Andrew Lunn <andrew@lunn.ch> | 2018-07-18 22:38:27 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-07-18 15:05:38 -0700 |
| commit | df31b74ce132c20d309aaada8b2fb67c35da5fad (patch) | |
| tree | 47be576ff3c35bdff226d916ee5f68ebba50957b | |
| parent | net: dsa: mv88e6xxx: Set PTP Ethertype (diff) | |
| download | linux-dev-df31b74ce132c20d309aaada8b2fb67c35da5fad.tar.xz linux-dev-df31b74ce132c20d309aaada8b2fb67c35da5fad.zip | |
net: dsa: mv88e6xxx: Longer timeout for PTP TX timestamp
For slow processors using bit-banging MDIO, 20ms can be too short a
timeout when waiting for the transmit timestamp to become
available. Double it to 40ms.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx/hwtstamp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/hwtstamp.c b/drivers/net/dsa/mv88e6xxx/hwtstamp.c index ac71910c63c0..a17c16a2ab78 100644 --- a/drivers/net/dsa/mv88e6xxx/hwtstamp.c +++ b/drivers/net/dsa/mv88e6xxx/hwtstamp.c @@ -65,7 +65,7 @@ static int mv88e6xxx_ptp_read(struct mv88e6xxx_chip *chip, int addr, * within 1ms. Software may enounter delays due to MDIO contention, so * the timeout is set accordingly. */ -#define TX_TSTAMP_TIMEOUT msecs_to_jiffies(20) +#define TX_TSTAMP_TIMEOUT msecs_to_jiffies(40) int mv88e6xxx_get_ts_info(struct dsa_switch *ds, int port, struct ethtool_ts_info *info) |