sfc: add suffix to large constant in ptp

Fixes: 1280c0f8aafc ("sfc: support second + quarter ns time format for receive datapath")
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Bert Kenward <bkenward@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c
index 433d29d6bc95..f1cc2ed76029 100644
--- a/drivers/net/ethernet/sfc/ptp.c
+++ b/drivers/net/ethernet/sfc/ptp.c
@@ -643,7 +643,7 @@ static int efx_ptp_get_attributes(struct efx_nic *efx)
         case MC_CMD_PTP_OUT_GET_ATTRIBUTES_SECONDS_QTR_NANOSECONDS:
                 ptp->ns_to_nic_time = efx_ptp_ns_to_s_qns;
                 ptp->nic_to_kernel_time = efx_ptp_s_qns_to_ktime_correction;
-                ptp->nic_time.minor_max = 4000000000;
+                ptp->nic_time.minor_max = 4000000000UL;
                 ptp->nic_time.sync_event_minor_shift = 24;
                 break;
         default: