Re: [PATCH] drivers: CCI: Correct use of ! and &

From: Will Deacon
Date: Wed Jul 23 2014 - 11:05:54 EST


On Wed, Jul 23, 2014 at 04:01:56PM +0100, Punit Agrawal wrote:
> > diff --git a/drivers/bus/arm-cci.c b/drivers/bus/arm-cci.c
> > index 5a86da9..7af78df 100644
> > --- a/drivers/bus/arm-cci.c
> > +++ b/drivers/bus/arm-cci.c
> > @@ -397,7 +397,8 @@ static irqreturn_t pmu_handle_irq(int irq_num, void *dev)
> > hw_counter = &event->hw;
> >
> > /* Did this counter overflow? */
> > - if (!pmu_read_register(idx, CCI_PMU_OVRFLW) & CCI_PMU_OVRFLW_FLAG)
> > + if (!(pmu_read_register(idx, CCI_PMU_OVRFLW) &
> > + CCI_PMU_OVRFLW_FLAG))
> > continue;
>
>
> Going back to the manual, this fix looks correct.
>
> Acked-by: Punit Agrawal <punit.agrawal@xxxxxxx>
>
> Will, would this go via your tree?

Given that you're happy with it, I don't mind which tree it goes in.
Probably deserves a CC stable on it too.

If you get stuck, put it in rmk's patch system.

Will
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