Re: [PATCH 3/3] pinctrl: exynos: ack level-triggered interrupts before unmasking

From: Tomasz Figa
Date: Thu Jun 13 2013 - 12:42:25 EST


On Thursday 13 of June 2013 09:38:33 Doug Anderson wrote:
> Kukjin,
>
> On Thu, Jun 13, 2013 at 5:04 AM, Kukjin Kim <kgene.kim@xxxxxxxxxxx>
wrote:
> > Doug Anderson wrote:
> >> A level-triggered interrupt should be acked after the interrupt line
> >> becomes inactive and before it is unmasked, or else another interrupt
> >> will be immediately triggered. Acking before or after calling the
> >> handler is not enough.
> >>
> >> Signed-off-by: Luigi Semenzato <semenzato@xxxxxxxxxxxx>
> >> Signed-off-by: Doug Anderson <dianders@xxxxxxxxxxxx>
> >
> > BTW, probably we need a similar fixing in the mach-exynos/common.c
> > file
> > before pinctê for distro...
>
> Is anyone using the functions in mach-exynos/common.c file anymore? I
> thought that non-dt exynos support was going away and then we could
> just delete a whole lot of code from that file.

I think Kukjin meant stable kernels that support Exynos boards using board
files and without pinctrl. Would make sense to have them fixed as well, I
guess.

Best regards,
Tomasz

>
> -Doug
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