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Re: [PATCH] ath9k: Add support for Adaptive Power Management

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On 2010-11-23 4:12 PM, Mohammed Shafi Shajakhan wrote:
> From: Mohammed Shafi Shajakhan <mshajakhan@xxxxxxxxxxx>
> 
> This feature is to mitigate the problem of certain 3
> stream chips that exceed the PCIe power requirements.An EEPROM flag
> controls which chips have APM enabled which is basically read from
> miscellaneous configuration element of the EEPROM header.
> 
> This workaround will reduce power consumption by using 2 Tx chains for
> Single and Double stream rates (5 GHz only).All self generated frames
> (regardless of rate) are sent on 2 chains when this feature is
> enabled(Chip Limitation).
> 
> Cc: Paul Shaw <paul.shaw@xxxxxxxxxxx>
> Signed-off-by: Mohammed Shafi Shajakhan <mshajakhan@xxxxxxxxxxx>
> Tested-by: Mohammed Shafi Shajakhan <mshajakhan@xxxxxxxxxxx>
I think this code would get a lot more concise if you'd move it to
ar9003_mac.c, since this issue is AR9003 specific anyway.
It would also allow you to avoid adding yet another redundant ath_softc
capability flag, as the driver part really doesn't need to be concerned
with this.

- Felix
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