ptp: gianfar: convert to the 64 bit get/set time methods.

The device features a 64 bit nanoseconds register, and so with this
patch the driver is ready for the year 2038.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 7 insertions, 6 deletions

diff --git a/drivers/net/ethernet/freescale/gianfar_ptp.c b/drivers/net/ethernet/freescale/gianfar_ptp.c
index 77353366f33b..04265a7275e5 100644
--- a/drivers/net/ethernet/freescale/gianfar_ptp.c
+++ b/drivers/net/ethernet/freescale/gianfar_ptp.c
@@ -322,7 +322,8 @@ static int ptp_gianfar_adjtime(struct ptp_clock_info *ptp, s64 delta)
         return 0;
 }
 
-static int ptp_gianfar_gettime(struct ptp_clock_info *ptp, struct timespec *ts)
+static int ptp_gianfar_gettime(struct ptp_clock_info *ptp,
+                               struct timespec64 *ts)
 {
         u64 ns;
         u32 remainder;
@@ -341,7 +342,7 @@ static int ptp_gianfar_gettime(struct ptp_clock_info *ptp, struct timespec *ts)
 }
 
 static int ptp_gianfar_settime(struct ptp_clock_info *ptp,
-                               const struct timespec *ts)
+                               const struct timespec64 *ts)
 {
         u64 ns;
         unsigned long flags;
@@ -418,8 +419,8 @@ static struct ptp_clock_info ptp_gianfar_caps = {
         .pps            = 1,
         .adjfreq        = ptp_gianfar_adjfreq,
         .adjtime        = ptp_gianfar_adjtime,
-        .gettime        = ptp_gianfar_gettime,
-        .settime        = ptp_gianfar_settime,
+        .gettime64      = ptp_gianfar_gettime,
+        .settime64      = ptp_gianfar_settime,
         .enable         = ptp_gianfar_enable,
 };
 
@@ -440,7 +441,7 @@ static int gianfar_ptp_probe(struct platform_device *dev)
 {
         struct device_node *node = dev->dev.of_node;
         struct etsects *etsects;
-        struct timespec now;
+        struct timespec64 now;
         int err = -ENOMEM;
         u32 tmr_ctrl;
         unsigned long flags;
@@ -495,7 +496,7 @@ static int gianfar_ptp_probe(struct platform_device *dev)
                 pr_err("ioremap ptp registers failed\n");
                 goto no_ioremap;
         }
-        getnstimeofday(&now);
+        getnstimeofday64(&now);
         ptp_gianfar_settime(&etsects->caps, &now);
 
         tmr_ctrl =