Thomas Gleixner <[email protected]> writes:
> On Thu, 27 Oct 2016, Eric Anholt wrote:
>
>> From: Phil Elwell <[email protected]>
>>
>> The old arch-specific IRQ macros included a dsb to ensure the
>> write to clear the mailbox interrupt completed before returning
>> from the interrupt. The BCM2836 irqchip driver needs the same
>> precaution to avoid spurious interrupts.
>
> This is missing a fixes tag. I have no idea when that problem was
> introduced, so I have no way to decide whether this needs to be tagged
> stable or not.
This code has been there since introduction of the driver, so:
Fixes: 1a15aaa998dc ("irqchip: Add bcm2836 interrupt controller for Raspberry
Pi 2")
