ptp: link the phc device to its parent device

PTP Hardware Clock devices appear as class devices in sysfs. This patch
changes the registration API to use the parent device, clarifying the
clock's relationship to the underlying device.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Acked-by: Ben Hutchings <bhutchings@solarflare.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c
index 2b07a4eae07e..5b3dd028ce85 100644
--- a/drivers/net/ethernet/sfc/ptp.c
+++ b/drivers/net/ethernet/sfc/ptp.c
@@ -931,7 +931,8 @@ static int efx_ptp_probe_channel(struct efx_channel *channel)
         ptp->phc_clock_info.settime = efx_phc_settime;
         ptp->phc_clock_info.enable = efx_phc_enable;
 
-        ptp->phc_clock = ptp_clock_register(&ptp->phc_clock_info);
+        ptp->phc_clock = ptp_clock_register(&ptp->phc_clock_info,
+                                            &efx->pci_dev->dev);
         if (!ptp->phc_clock)
                 goto fail3;