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Re: [PATCH wireless-2.6] iwlwifi: do not perferm force reset while doing scan

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Hi Gruszka,

On Wed, 2010-09-22 at 01:57 -0700, Stanislaw Gruszka wrote:
> Hi Wey
> 
> On Fri, 17 Sep 2010 14:24:17 -0700
> Wey-Yi Guy <wey-yi.w.guy@xxxxxxxxx> wrote:
> > When uCode error condition detected, driver try to perform either
> > rf reset or firmware reload in order bring device back to
> > working condition.
> > 
> > If rf reset is required and scan is in process, there is no need
> > to issue rf reset since scan already reset the rf.
> 
> Yes, and that is already handled by iwl_scan_initiate().
> 
> > If firmware reload is required and scan is in process, skip the
> > reload request. There is a possibility firmware reload during
> > scan cause problem.
> 
> If we skip restart request now, next will be scheduled lately (correct?,

That is correct, if we still encounter the problem.

> I think there are firmware reset requests that are not repeatable). But we
> still will have scan pending since firmware is in bad shape and will not
> finish scan. So until scan_check delayed work (7s) will not finish scan,
> will not be able to reset firmware. I do not think that is what we want.
> I think patch is good for .36, but after my current scan patches, it is
> not be needed and actually it should be reverted (see below).
> 
Agree, with your recent patch, it improve a lot on how scan abort work.
I still don't like the warning, but like you say, it might be ok since
we reloading firmware.

I will ask John to revert the patch

Thanks
Wey



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