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SubjectRe: [PATCH] drivers: CCI: Correct use of ! and &
Date
Olof Johansson <olof@lixom.net> writes:

> On Tue, Jul 29, 2014 at 4:34 AM, Punit Agrawal <punit.agrawal@arm.com> wrote:
>> Hi Arnd,
>>
>> Will Deacon <will.deacon@arm.com> writes:
>>
>>> 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@arm.com>
>>>>
>>>> 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.
>>
>> The CCI PMU patches went via arm-soc. Are you happy to pick this fix with
>> the Ack and a Cc to stable.
>
> Yeah, we've been merging most of the CCI patches.
>
> Please resend the patch to arm@kernel.org if you want us to apply it.

Ok, thanks! I'll send the patch with the tags applied shortly.

>
>
> Thanks,
>
> -Olof
> --
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