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Re: [ipw3945-devel] iwl3945 rfkill regression

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On Wed, Mar 19, 2008 at 12:06 AM, Chatre, Reinette
<reinette.chatre@xxxxxxxxx> wrote:
>
> On Tuesday, March 18, 2008 2:47 PM, drago01  wrote:
>
>  >>  Please note that the driver loads/unloads the firmware during
>  >>  interface up/down. That means that the host will not receive rfkill
>  >>  events while the interface is down as there is no firmware to deal
>  >> with these events.
>  >>
>  >>  Reinette
>  >>
>  >
>  > OK that makes sense.
>  > So a solution would be to not unload the firmware on down when the hw
>  > rfkill is on. Is this a acceptable one or are they other (better
>  > solutions). I can't think of any. And userspace cannot do anything
>  > because bringing the device up and down again to look for the rfkill
>  > status would be racy.
>
>  Having the firmware unloaded when the interface is down is a requirement
>  for powersaving. We do not want the device to consume power when it is
>  not used. The rfkill status should always be reported accurately when
>  the interface is up. If it is not then it is a bug.

We will catch the HW rfkill event after loading the uCode so there is
no problem with this.
Not sure where should be the SW rfkill state stored.

>  Reinette
>
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