On Tue, Oct 09, 2007 at 03:43:20PM -0500, Mark Langsdorf wrote:
> On Tuesday 09 October 2007 15:06, Andi Kleen wrote:
> > "Mark Langsdorf" <[EMAIL PROTECTED]> writes:
> > 
> > > This patch should apply cleanly to the 2.6.22.6 kernel.
> > 
> > Isn't that a little old? The earliest this could be merged
> > is the upcomming 2.6.24 tree. Best you submit it against .23
> > or better -mm.
> 
> Good point.
> 
> This patch should apply cleanly to the 2.6.23-rc8-mm2 kernel.  It changes 
> the powernow-k8 driver code that deals with 3rd generation Opteron, Phenom,
> and later processors to match the architectual pstate driver described
> in the AMD64 Architecture Programmer's Manual Volume 2 Chapter 18.  The
> initial implementation of the hardware pstate driver for PowerNow!
> used some processor-version specific features, and would not be
> maintainable in the long term as the processor features changed.
> This architectural driver should work on all future AMD processors.
> 
> -Mark Langsdorf
> Operating System Resarch Center
> AMD
> 
> Signed-off-by <[EMAIL PROTECTED]>
> Acked-by <[EMAIL PROTECTED]>
[...]
>       /* get fid did for hardware pstate transition */
>       pstate = index & HW_PSTATE_MASK;
> -     if (pstate > MAX_HW_PSTATE)
> +     if (pstate > data->max_hw_pstate);
>               return 0;

checkpatch picked up this dodgy if.  I suspect that the ';' is wrong
from the context.

> -     fid = (index & HW_FID_INDEX_MASK) >> HW_FID_INDEX_SHIFT;
> -     did = (index & HW_DID_INDEX_MASK) >> HW_DID_INDEX_SHIFT;
> -     freqs.old = find_khz_freq_from_fiddid(data->currfid, data->currdid);
> -     freqs.new = find_khz_freq_from_fiddid(fid, did);
> +     freqs.old = find_khz_freq_from_pstate(data->powernow_table, 
> data->currpstate);
> +     freqs.new = find_khz_freq_from_pstate(data->powernow_table, pstate);

-apw
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to