Re: [PATCH net-next 06/11] ptp: e1000e: use helpers for converting ns to timespec.

From: Keller, Jacob E
Date: Tue Mar 31 2015 - 17:10:52 EST


On Tue, 2015-03-31 at 23:08 +0200, Richard Cochran wrote:
> This patch changes the driver to use ns_to_timespec64() instead of
> open coding the same logic.
>
> Compile tested only.
>
> Signed-off-by: Richard Cochran <richardcochran@xxxxxxxxx>
> ---
> drivers/net/ethernet/intel/e1000e/ptp.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/net/ethernet/intel/e1000e/ptp.c b/drivers/net/ethernet/intel/e1000e/ptp.c
> index b747a3e..d2272ad 100644
> --- a/drivers/net/ethernet/intel/e1000e/ptp.c
> +++ b/drivers/net/ethernet/intel/e1000e/ptp.c
> @@ -111,15 +111,13 @@ static int e1000e_phc_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts)
> struct e1000_adapter *adapter = container_of(ptp, struct e1000_adapter,
> ptp_clock_info);
> unsigned long flags;
> - u32 remainder;
> u64 ns;
>
> spin_lock_irqsave(&adapter->systim_lock, flags);
> ns = timecounter_read(&adapter->tc);
> spin_unlock_irqrestore(&adapter->systim_lock, flags);
>
> - ts->tv_sec = div_u64_rem(ns, NSEC_PER_SEC, &remainder);
> - ts->tv_nsec = remainder;
> + *ts = ns_to_timespec64(ns);
>
> return 0;
> }


Acked-by: Jacob Keller <jacob.e.keller@xxxxxxxxx>