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Date: Thu, 03 Mar 2016 14:27:03 -0800
From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To: John Stultz <john.stultz@...aro.org>,
lkml <linux-kernel@...r.kernel.org>
Cc: "Christopher S. Hall" <christopher.s.hall@...el.com>,
Prarit Bhargava <prarit@...hat.com>,
Richard Cochran <richardcochran@...il.com>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...nel.org>,
Andy Lutomirski <luto@...capital.net>,
kevin.b.stanton@...el.com, kevin.j.clarke@...el.com, hpa@...or.com,
netdev@...r.kernel.org
Subject: Re: [PATCH 8/8] net: e1000e: Adds hardware supported cross
timestamp on e1000e nic
On Wed, 2016-03-02 at 20:21 -0800, John Stultz wrote:
> From: "Christopher S. Hall" <christopher.s.hall@...el.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@...hat.com>
> Cc: Richard Cochran <richardcochran@...il.com>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Ingo Molnar <mingo@...nel.org>
> Cc: Andy Lutomirski <luto@...capital.net>
> Cc: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
> Cc: kevin.b.stanton@...el.com
> Cc: kevin.j.clarke@...el.com
> Cc: hpa@...or.com
> Cc: jeffrey.t.kirsher@...el.com
> Cc: netdev@...r.kernel.org
> Acked-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
> Signed-off-by: Christopher S. Hall <christopher.s.hall@...el.com>
> [jstultz: Reworked to use new interface, commit message tweaks]
> Signed-off-by: John Stultz <john.stultz@...aro.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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