linux-kernel - Re: [ 011/171] ptp: update adjfreq callback description

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Date:	Fri, 23 Nov 2012 22:26:55 -0200
From:	Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	alan@...rguk.ukuu.org.uk, Jacob Keller <jacob.e.keller@...el.com>,
	Richard Cochran <richard.cochran@...il.com>,
	John Stultz <john.stultz@...aro.org>,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [ 011/171] ptp: update adjfreq callback description

On Wed, Nov 21, 2012 at 04:39:17PM -0800, Greg Kroah-Hartman wrote:
> 3.4-stable review patch.  If anyone has any objections, please let me know.
> 
> ------------------
> 
> From: Jacob Keller <jacob.e.keller@...el.com>
> 
> commit 87f4d7c1d36f44b0822053b7e5dedc31fdd0ab99 upstream.
> 
> 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@...el.com>
> CC: Richard Cochran <richard.cochran@...il.com>
> CC: John Stultz <john.stultz@...aro.org>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
> Signed-off-by: David S. Miller <davem@...emloft.net>
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> 
> ---
>  include/linux/ptp_clock_kernel.h |    3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> --- a/include/linux/ptp_clock_kernel.h
> +++ b/include/linux/ptp_clock_kernel.h
> @@ -50,7 +50,8 @@ 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.
> 

This was marked for only 3.5 or later on the original changelog:
"CC: stable@...r.kernel.org [v3.5+]"

-- 
[]'s
Herton
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