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From: Michael Buesch <mb@bu3sch.de>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: Larry Finger <Larry.Finger@lwfinger.net>, linux-wireless@vger.kernel.org
Subject: Re: [RFC V2] b43/legacy: port to cfg80211 rfkill
Date: Sat, 6 Jun 2009 11:34:47 +0200	[thread overview]
Message-ID: <200906061134.47483.mb@bu3sch.de> (raw)
In-Reply-To: <1244241126.15640.3.camel@johannes.local>

On Saturday 06 June 2009 00:32:06 Johannes Berg wrote:
> On Fri, 2009-06-05 at 23:38 +0200, Michael Buesch wrote:
> 
> > Hell, just return a freaking error from b43_rfkill_poll(), if the interface
> > is down. If rfkill can't handle that, it should probably be taught to handle it.
> > Especially as there can be other errors as well, like memory allocation failures.
> 
> Be my guest. You'll notice eventually that it's not really easy or
> possible to do. I've explained the currently broken scenario already.
> And even if you introduce the 'unknown' state, you still end up having
> to poll the bit when userspace tries to turn on the device... doesn't
> help much.

It is OK to poll the bit while the device is supposed to be on. But it's not
OK to turn it on to check the bit.

> Larry, thanks for your patch, I'll modify it to turn off the core again
> after checking the rfkill bit tomorrow.

How frequent will that polling happen?

-- 
Greetings, Michael.

  reply	other threads:[~2009-06-06  9:34 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-06-05 18:19 [RFC V2] b43/legacy: port to cfg80211 rfkill Larry Finger
2009-06-05 19:01 ` Michael Buesch
2009-06-05 21:20   ` Larry Finger
2009-06-05 21:38     ` Michael Buesch
2009-06-05 22:32       ` Johannes Berg
2009-06-06  9:34         ` Michael Buesch [this message]
2009-06-06 17:38           ` Johannes Berg
2009-06-05 22:38       ` Larry Finger
2009-06-06  9:38         ` Michael Buesch
2009-06-06 17:38           ` Johannes Berg
2009-06-06 17:37         ` Johannes Berg
2009-06-06 17:44     ` Johannes Berg
2009-06-06 18:00     ` Michael Buesch
2009-06-07 12:55       ` Larry Finger
2009-06-06 17:42   ` Johannes Berg
2009-06-06 17:49     ` Michael Buesch

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