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Re: [PATCH 2/2] ath9k_htc: Fix suspend/resume

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On Mon, Dec 6, 2010 at 8:22 PM, Sujith <m.sujith@xxxxxxxxx> wrote:
> Luis R. Rodriguez wrote:
>> That's the thing, the device was powered up, lifted from idle, but we
> Â Â Â Â Â Â Â Â Â Â^^^^^^^^^^^^^^^^^^^^^^^^^
> Not according to mac80211 - start() wasn't issued, config() with ~CONF_IDLE
> wasn't issued.
>
> This is the issue in ath9k_htc:
>
> * modprobe ath9k_htc
> * pm-suspend
> ---
> * resume
>
> In this case, as I said above, neither start() nor CONF_IDLE have been notified
> to the driver by mac80211, since the interface was never brought up.
>
> But ath9k_htc powers up the device while initialization, immediately when the driver
> is loaded, not waiting for start() or ~CONF_IDLE. And since the driver maintains
> internal state with respect to the radio's power status, I think it is up to the
> driver to clean it properly ...

Oh right, I see. Should we not wait to turn the radio until we get a
non-idle config() call?

  Luis
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