* [net] ptp: update adjfreq callback description
@ 2012-11-01 22:30 Jeff Kirsher
2012-11-03 19:27 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Jeff Kirsher @ 2012-11-01 22:30 UTC (permalink / raw)
To: davem
Cc: Jacob Keller, netdev, gospo, sassmann, stable, richard.cochran,
john.stultz, Jeff Kirsher
From: Jacob Keller <jacob.e.keller@intel.com>
This patch updates the adjfreq callback description to include a note that the
delta in ppb is always relative to the base frequency, and not to the current
frequency of the hardware clock.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
CC: stable@vger.kernel.org [v3.5+]
CC: Richard Cochran <richard.cochran@gmail.com>
CC: John Stultz <john.stultz@linaro.org>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---
include/linux/ptp_clock_kernel.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/linux/ptp_clock_kernel.h b/include/linux/ptp_clock_kernel.h
index f2dc6d8..38a9935 100644
--- a/include/linux/ptp_clock_kernel.h
+++ b/include/linux/ptp_clock_kernel.h
@@ -54,7 +54,8 @@ struct ptp_clock_request {
* clock operations
*
* @adjfreq: Adjusts the frequency of the hardware clock.
- * parameter delta: Desired period change in parts per billion.
+ * parameter delta: Desired frequency offset from nominal frequency
+ * in parts per billion
*
* @adjtime: Shifts the time of the hardware clock.
* parameter delta: Desired change in nanoseconds.
--
1.7.11.7
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [net] ptp: update adjfreq callback description
2012-11-01 22:30 [net] ptp: update adjfreq callback description Jeff Kirsher
@ 2012-11-03 19:27 ` David Miller
0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2012-11-03 19:27 UTC (permalink / raw)
To: jeffrey.t.kirsher
Cc: jacob.e.keller, netdev, gospo, sassmann, stable, richard.cochran,
john.stultz
From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Date: Thu, 1 Nov 2012 15:30:16 -0700
> From: Jacob Keller <jacob.e.keller@intel.com>
>
> This patch updates the adjfreq callback description to include a note that the
> delta in ppb is always relative to the base frequency, and not to the current
> frequency of the hardware clock.
>
> Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
> CC: stable@vger.kernel.org [v3.5+]
> CC: Richard Cochran <richard.cochran@gmail.com>
> CC: John Stultz <john.stultz@linaro.org>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Applied.
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