[RFC net-next 19/22] ptp: dp83640: convert to the 64 bit get/set time methods.

From: Richard Cochran
Date: Sat Mar 21 2015 - 17:01:00 EST


This device stores the number of seconds in a 32 bit register. So
more work is needed on this driver before the year 2038 comes around.

Compile tested only.

Signed-off-by: Richard Cochran <richardcochran@xxxxxxxxx>
---
drivers/net/phy/dp83640.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c
index e22e602..1a88235 100644
--- a/drivers/net/phy/dp83640.c
+++ b/drivers/net/phy/dp83640.c
@@ -427,7 +427,8 @@ static int ptp_dp83640_adjtime(struct ptp_clock_info *ptp, s64 delta)
return err;
}

-static int ptp_dp83640_gettime(struct ptp_clock_info *ptp, struct timespec *ts)
+static int ptp_dp83640_gettime(struct ptp_clock_info *ptp,
+ struct timespec64 *ts)
{
struct dp83640_clock *clock =
container_of(ptp, struct dp83640_clock, caps);
@@ -452,16 +453,17 @@ static int ptp_dp83640_gettime(struct ptp_clock_info *ptp, struct timespec *ts)
}

static int ptp_dp83640_settime(struct ptp_clock_info *ptp,
- const struct timespec *ts)
+ const struct timespec64 *ts64)
{
struct dp83640_clock *clock =
container_of(ptp, struct dp83640_clock, caps);
struct phy_device *phydev = clock->chosen->phydev;
+ struct timespec ts = timespec64_to_timespec(*ts64);
int err;

mutex_lock(&clock->extreg_lock);

- err = tdr_write(1, phydev, ts, PTP_LOAD_CLK);
+ err = tdr_write(1, phydev, &ts, PTP_LOAD_CLK);

mutex_unlock(&clock->extreg_lock);

@@ -998,8 +1000,8 @@ static void dp83640_clock_init(struct dp83640_clock *clock, struct mii_bus *bus)
clock->caps.pps = 0;
clock->caps.adjfreq = ptp_dp83640_adjfreq;
clock->caps.adjtime = ptp_dp83640_adjtime;
- clock->caps.gettime = ptp_dp83640_gettime;
- clock->caps.settime = ptp_dp83640_settime;
+ clock->caps.gettime64 = ptp_dp83640_gettime;
+ clock->caps.settime64 = ptp_dp83640_settime;
clock->caps.enable = ptp_dp83640_enable;
clock->caps.verify = ptp_dp83640_verify;
/*
--
1.7.10.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/