Re: [stable] [stable 2.6.37][PATCH] ath9k: Fix ath9k to allow CPU to enter C3 state.

[Greg KH <greg@kroah.com>]

On Mon, Feb 28, 2011 at 09:21:01AM -0800, Luis R. Rodriguez wrote:
> On Mon, Feb 28, 2011 at 9:20 AM, Luis R. Rodriguez <mcgrof@gmail.com> wrote:
> > On Mon, Feb 28, 2011 at 8:52 AM, Vivek Natarajan <vivek.natraj@gmail.com> wrote:
> >> On Mon, Feb 28, 2011 at 8:18 PM, Luis R. Rodriguez <mcgrof@gmail.com> wrote:
> >>> On Mon, Feb 28, 2011 at 6:22 AM, Greg KH <greg@kroah.com> wrote:
> >>>> On Mon, Feb 28, 2011 at 11:50:53AM +0530, Vivek Natarajan wrote:
> >>>>> The default qos value of 55 causes higher power consumption
> >>>>> and the battery drains out quickly. So, remove the pm_qos request
> >>>>> in the driver and the throughout issue in the Intel Pinetrail
> >>>>> platforms in which the DMA latency is seen can be fixed with
> >>>>> the following script:
> >>>>> http://www.kernel.org/pub/linux/kernel/people/mcgrof/scripts/cpudmalatency.c
> >>>>> http://johannes.sipsolutions.net/files/netlatency.c.txt
> >>>>>
> >>>>> More details can be found in the following bugzilla link:
> >>>>> https://bugzilla.kernel.org/show_bug.cgi?id=27532
> >>>>>
> >>>>> Cc: stable@kernel.org
> >>>>> Signed-off-by: Mohammed Shafi Shajakhan <mshajakhan@atheros.com>
> >>>>> Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
> >>>>
> >>>> Why did you send me 3 copies of this patch, when I don't need any copies
> >>>> of it?
> >>>>
> >>>> Totally confused,
> >>>
> >>> Vivek, please only ask John to send this to David as stable so it can
> >>> get into 2.6.38-rc, then once there you can refer the sha1sum from
> >>> Linus' tree and justify propagating into the stable series.
> >>>
> >> I had sent separate patches for v2.6.37 and for v2.6.38 since the
> >> patch could not be applied directly to previous versions. So, should I
> >> send this rebased patch for v2.6.37 only after it makes it into
> >> v2.6.38?
> >
> > Affirmative. You cannot propagate stable patches unless they are
> > already in Linus' tree.
> 
> See:
> 
> http://wireless.kernel.org/en/users/Documentation/Fix_Propagation

And of course, the file, Documentation/stable_kernel_rules.txt

thanks,

greg k-h