Re: [PATCH 1/1] twl4030: Fix chained irq handling on resume from suspend

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Hi Kalle,

On Tue, Oct 16, 2012 at 05:59:35PM +0300, Kalle Jokiniemi wrote:
> The irqs are enabled one-by-one in pm core resume_noirq phase.
> This leads to situation where the twl4030 primary interrupt
> handler (PIH) is enabled before the chained secondary handlers
> (SIH). As the PIH cannot clear the pending interrupt, and
> SIHs have not been enabled yet, a flood of interrupts hangs
> the device.
> 
> Fixed the issue by setting the SIH irqs with IRQF_EARLY_RESUME
> flags, so they get enabled before the PIH.
> 
> Signed-off-by: Kalle Jokiniemi <kalle.jokiniemi@xxxxxxxxxxxxxxx>
> ---
>  drivers/mfd/twl4030-irq.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
Thanks, patch applied to my for-linus branch.

Cheers,
Samuel.

-- 
Intel Open Source Technology Centre
http://oss.intel.com/
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