| Message ID | 20240325232039.76836-4-mschmidt@redhat.com (mailing list archive) |
|---|---|
| State | Awaiting Upstream |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | ice: lighter locking for PTP time reading | expand |
> -----Original Message----- > From: Michal Schmidt <mschmidt@redhat.com> > Sent: Tuesday, March 26, 2024 4:51 AM > To: intel-wired-lan@lists.osuosl.org > Cc: Jesse Brandeburg <jesse.brandeburg@intel.com>; Tony Nguyen > <anthony.l.nguyen@intel.com>; Richard Cochran > <richardcochran@gmail.com>; netdev@vger.kernel.org; Jacob Keller > <jacob.e.keller@intel.com>; Jiri Pirko <jiri@resnulli.us>; Arkadiusz Kubalewski > <arkadiusz.kubalewski@intel.com>; Karol Kolacinski > <karol.kolacinski@intel.com>; Marcin Szycik <marcin.szycik@linux.intel.com>; > Przemek Kitszel <przemyslaw.kitszel@intel.com>; Temerkhanov, Sergey > <sergey.temerkhanov@intel.com> > Subject: [PATCH net-next v4 3/3] ice: fold ice_ptp_read_time into > ice_ptp_gettimex64 > > This is a cleanup. It is unnecessary to have this function just to call another > function. > > Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com> > Signed-off-by: Michal Schmidt <mschmidt@redhat.com> > --- > drivers/net/ethernet/intel/ice/ice_ptp.c | 25 +++--------------------- > 1 file changed, 3 insertions(+), 22 deletions(-) > > diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c > b/drivers/net/ethernet/intel/ice/ice_ptp.c > index 0875f37add78..0f17fc1181d2 100644 > --- a/drivers/net/ethernet/intel/ice/ice_ptp.c > +++ b/drivers/net/ethernet/intel/ice/ice_ptp.c > @@ -1166,26 +1166,6 @@ static void ice_ptp_reset_cached_phctime(struct > ice_pf *pf) > ice_ptp_mark_tx_tracker_stale(&pf->ptp.port.tx); > } > > -/** > - * ice_ptp_read_time - Read the time from the device > - * @pf: Board private structure > - * @ts: timespec structure to hold the current time value > - * @sts: Optional parameter for holding a pair of system timestamps from > - * the system clock. Will be ignored if NULL is given. > - * > - * This function reads the source clock registers and stores them in a > timespec. > - * However, since the registers are 64 bits of nanoseconds, we must convert > the > - * result to a timespec before we can return. > - */ > -static void > -ice_ptp_read_time(struct ice_pf *pf, struct timespec64 *ts, > - struct ptp_system_timestamp *sts) > -{ > - u64 time_ns = ice_ptp_read_src_clk_reg(pf, sts); > - > - *ts = ns_to_timespec64(time_ns); > -} > - > /** > * ice_ptp_write_init - Set PHC time to provided value > * @pf: Board private structure > @@ -1926,9 +1906,10 @@ ice_ptp_gettimex64(struct ptp_clock_info *info, > struct timespec64 *ts, > struct ptp_system_timestamp *sts) > { > struct ice_pf *pf = ptp_info_to_pf(info); > + u64 time_ns; > > - ice_ptp_read_time(pf, ts, sts); > - > + time_ns = ice_ptp_read_src_clk_reg(pf, sts); > + *ts = ns_to_timespec64(time_ns); > return 0; > } > > -- > 2.43.2 > Reviewed-by: Sai Krishna <saikrishnag@marvell.com
> -----Original Message----- > From: Intel-wired-lan <intel-wired-lan-bounces@osuosl.org> On Behalf Of Michal Schmidt > Sent: Tuesday, March 26, 2024 4:51 AM > To: intel-wired-lan@lists.osuosl.org > Cc: Jiri Pirko <jiri@resnulli.us>; Temerkhanov, Sergey <sergey.temerkhanov@intel.com>; netdev@vger.kernel.org; Richard Cochran <richardcochran@gmail.com>; Kubalewski, Arkadiusz <arkadiusz.kubalewski@intel.com>; Kolacinski, Karol <karol.kolacinski@intel.com>; Marcin Szycik <marcin.szycik@linux.intel.com>; Nguyen, Anthony L <anthony.l.nguyen@intel.com>; Kitszel, Przemyslaw <przemyslaw.kitszel@intel.com>; Keller, Jacob E <jacob.e.keller@intel.com> > Subject: [Intel-wired-lan] [PATCH net-next v4 3/3] ice: fold ice_ptp_read_time into ice_ptp_gettimex64 > > This is a cleanup. It is unnecessary to have this function just to call another function. > > Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com> > Signed-off-by: Michal Schmidt <mschmidt@redhat.com> > --- > drivers/net/ethernet/intel/ice/ice_ptp.c | 25 +++--------------------- > 1 file changed, 3 insertions(+), 22 deletions(-) > Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
On Tue, Mar 26, 2024 at 6:07 AM Michal Schmidt <mschmidt@redhat.com> wrote: > > This is a cleanup. It is unnecessary to have this function just to call > another function. > > Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com> > Signed-off-by: Michal Schmidt <mschmidt@redhat.com> Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com> > --- > drivers/net/ethernet/intel/ice/ice_ptp.c | 25 +++--------------------- > 1 file changed, 3 insertions(+), 22 deletions(-) > > diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c > index 0875f37add78..0f17fc1181d2 100644 > --- a/drivers/net/ethernet/intel/ice/ice_ptp.c > +++ b/drivers/net/ethernet/intel/ice/ice_ptp.c > @@ -1166,26 +1166,6 @@ static void ice_ptp_reset_cached_phctime(struct ice_pf *pf) > ice_ptp_mark_tx_tracker_stale(&pf->ptp.port.tx); > } > > -/** > - * ice_ptp_read_time - Read the time from the device > - * @pf: Board private structure > - * @ts: timespec structure to hold the current time value > - * @sts: Optional parameter for holding a pair of system timestamps from > - * the system clock. Will be ignored if NULL is given. > - * > - * This function reads the source clock registers and stores them in a timespec. > - * However, since the registers are 64 bits of nanoseconds, we must convert the > - * result to a timespec before we can return. > - */ > -static void > -ice_ptp_read_time(struct ice_pf *pf, struct timespec64 *ts, > - struct ptp_system_timestamp *sts) > -{ > - u64 time_ns = ice_ptp_read_src_clk_reg(pf, sts); > - > - *ts = ns_to_timespec64(time_ns); > -} > - > /** > * ice_ptp_write_init - Set PHC time to provided value > * @pf: Board private structure > @@ -1926,9 +1906,10 @@ ice_ptp_gettimex64(struct ptp_clock_info *info, struct timespec64 *ts, > struct ptp_system_timestamp *sts) > { > struct ice_pf *pf = ptp_info_to_pf(info); > + u64 time_ns; > > - ice_ptp_read_time(pf, ts, sts); > - > + time_ns = ice_ptp_read_src_clk_reg(pf, sts); > + *ts = ns_to_timespec64(time_ns); > return 0; > } > > -- > 2.43.2 > >
diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c index 0875f37add78..0f17fc1181d2 100644 --- a/drivers/net/ethernet/intel/ice/ice_ptp.c +++ b/drivers/net/ethernet/intel/ice/ice_ptp.c @@ -1166,26 +1166,6 @@ static void ice_ptp_reset_cached_phctime(struct ice_pf *pf) ice_ptp_mark_tx_tracker_stale(&pf->ptp.port.tx); } -/** - * ice_ptp_read_time - Read the time from the device - * @pf: Board private structure - * @ts: timespec structure to hold the current time value - * @sts: Optional parameter for holding a pair of system timestamps from - * the system clock. Will be ignored if NULL is given. - * - * This function reads the source clock registers and stores them in a timespec. - * However, since the registers are 64 bits of nanoseconds, we must convert the - * result to a timespec before we can return. - */ -static void -ice_ptp_read_time(struct ice_pf *pf, struct timespec64 *ts, - struct ptp_system_timestamp *sts) -{ - u64 time_ns = ice_ptp_read_src_clk_reg(pf, sts); - - *ts = ns_to_timespec64(time_ns); -} - /** * ice_ptp_write_init - Set PHC time to provided value * @pf: Board private structure @@ -1926,9 +1906,10 @@ ice_ptp_gettimex64(struct ptp_clock_info *info, struct timespec64 *ts, struct ptp_system_timestamp *sts) { struct ice_pf *pf = ptp_info_to_pf(info); + u64 time_ns; - ice_ptp_read_time(pf, ts, sts); - + time_ns = ice_ptp_read_src_clk_reg(pf, sts); + *ts = ns_to_timespec64(time_ns); return 0; }