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Groups > linux.kernel > #1349643
| From | Jeff Kirsher <jeffrey.t.kirsher@intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 8/8] net: e1000e: Adds hardware supported cross timestamp on e1000e nic |
| Date | 2016-03-03 23:30 +0100 |
| Message-ID | <r8JUT-5sH-35@gated-at.bofh.it> (permalink) |
| References | <r8t3I-1BU-13@gated-at.bofh.it> <r8t3J-1BU-41@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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On Wed, 2016-03-02 at 20:21 -0800, John Stultz wrote: > From: "Christopher S. Hall" <christopher.s.hall@intel.com> > > Modern Intel systems supports cross timestamping of the network > device > clock and Always Running Timer (ART) in hardware. This allows the > device time and system time to be precisely correlated. The timestamp > pair is returned through e1000e_phc_get_syncdevicetime() used by > get_system_device_crosststamp(). The hardware cross-timestamp result > is made available to applications through the PTP_SYS_OFFSET_PRECISE > ioctl which calls e1000e_phc_getcrosststamp(). > > Cc: Prarit Bhargava <prarit@redhat.com> > Cc: Richard Cochran <richardcochran@gmail.com> > Cc: Thomas Gleixner <tglx@linutronix.de> > Cc: Ingo Molnar <mingo@kernel.org> > Cc: Andy Lutomirski <luto@amacapital.net> > Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com> > Cc: kevin.b.stanton@intel.com > Cc: kevin.j.clarke@intel.com > Cc: hpa@zytor.com > Cc: jeffrey.t.kirsher@intel.com > Cc: netdev@vger.kernel.org > Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> > Signed-off-by: Christopher S. Hall <christopher.s.hall@intel.com> > [jstultz: Reworked to use new interface, commit message tweaks] > Signed-off-by: John Stultz <john.stultz@linaro.org> > --- > drivers/net/ethernet/intel/Kconfig | 9 +++ > drivers/net/ethernet/intel/e1000e/defines.h | 5 ++ > drivers/net/ethernet/intel/e1000e/ptp.c | 85 > +++++++++++++++++++++++++++++ > drivers/net/ethernet/intel/e1000e/regs.h | 4 ++ > 4 files changed, 103 insertions(+) Since you are making changes to patch 6's title, then you should fix this patch title as well, it should be: [PATCH 8/8] e1000e: Adds hardware supported...
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[PATCH 8/8] net: e1000e: Adds hardware supported cross timestamp on e1000e nic John Stultz <john.stultz@linaro.org> - 2016-03-03 05:30 +0100
Re: [PATCH 8/8] net: e1000e: Adds hardware supported cross timestamp on e1000e nic Jeff Kirsher <jeffrey.t.kirsher@intel.com> - 2016-03-03 23:30 +0100
Re: [PATCH 8/8] net: e1000e: Adds hardware supported cross timestamp on e1000e nic John Stultz <john.stultz@linaro.org> - 2016-03-03 23:40 +0100
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