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Date: Thu, 18 Feb 2016 23:17:04 +0100 From: Richard Cochran <richardcochran@...il.com> To: "Christopher S. Hall" <christopher.s.hall@...el.com> Cc: tglx@...utronix.de, mingo@...hat.com, john.stultz@...aro.org, hpa@...or.com, jeffrey.t.kirsher@...el.com, x86@...nel.org, linux-kernel@...r.kernel.org, intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org, kevin.b.stanton@...el.com, kevin.j.clarke@...el.com Subject: Re: [PATCH v7 5/8] time: Add history to cross timestamp interface supporting slower devices 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 + * @history_ref: Historical reference point used to interpolate system 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
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