From mboxrd@z Thu Jan  1 00:00:00 1970
From: Richard Cochran <richardcochran@gmail.com>
Date: Thu, 18 Feb 2016 23:17:04 +0100
Subject: [Intel-wired-lan] [PATCH v7 5/8] time: Add history to cross
 timestamp interface supporting slower devices
In-Reply-To: <1455308729-6280-6-git-send-email-christopher.s.hall@intel.com>
References: <1455308729-6280-1-git-send-email-christopher.s.hall@intel.com>
 <1455308729-6280-6-git-send-email-christopher.s.hall@intel.com>
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To: intel-wired-lan@osuosl.org
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On Fri, Feb 12, 2016 at 12:25:26PM -0800, Christopher S. Hall wrote:
>  /**
>   * get_device_system_crosststamp - Synchronously capture system/device timestamp
> - * @sync_devicetime:	Callback to get simultaneous device time and
> + * @get_time_fn:	Callback to get simultaneous device time and

Fold this into earlier patch?

>   *	system counter from the device driver
> + * @history_ref:	Historical reference point used to interpolate system
> + *	time when counter provided by the driver is before the current interval

KernelDoc says history_ref,

>   * @xtstamp:		Receives simultaneously captured system and device time
>   *
>   * Reads a timestamp from a device and correlates it to system time
> @@ -920,6 +1035,7 @@ int get_device_system_crosststamp(int (*get_time_fn)
>  				   struct system_counterval_t *sys_counterval,
>  				   void *ctx),
>  				  void *ctx,
> +				  struct system_time_snapshot *history_begin,
>  				  struct system_device_crosststamp *xtstamp)

... but parameter is called history_begin.

Thanks,
Richard