linux-kernel - Re: [regression, bisected] adb trackpad disappears after suspend to ram

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Date:	Thu, 24 Sep 2009 07:28:52 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Jan Scholz <scholz@...s.uni-frankfurt.de>,
	Paul Mackerras <paulus@...ba.org>, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org, Adrian Bunk <bunk@...nel.org>,
	pm list <linux-pm@...ts.linux-foundation.org>,
	Johannes Berg <johannes@...solutions.net>
Subject: Re: [regression, bisected] adb trackpad disappears after suspend
 to ram

On Wed, 2009-09-23 at 15:38 +0200, Rafael J. Wysocki wrote:
> > This patch fixes it by using IRQF_TIMER for both the PMU and the I2C
> > interrupts. I prefer doing it this way than moving the call sites since
> > I really want those platform functions to still be called after all
> > drivers (and before sysdevs).
> 
> Alternatively, you could introduce a new flag IRQF_NOSUSPEND and use that
> instead of IRQF_TIMER.  That would be cleaner than using IRQF_TIMER for
> non-timer interrupts IMHO.

I totally agree. The current patch is still good for stable though.

I'll send it to Greg after I've upstreamed it, we can introduce IRQF_NOSUSPEND
in a second patch.

Ben.


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