On Wed, Jan 25 2017 at 2:08:25 pm GMT, Marcin Nowakowski
<[email protected]> wrote:
> Some local interrupts are not initialised properly at the moment and
> cannot be used since the domain's alloc method is never called for them.
>
> This has been observed earlier and partially fixed in commit
> e875bd66dfb ("irqchip/mips-gic: Fix local interrupts"), but that change
> still relied on the interrupt to be requested by an external driver (eg.
> drivers/clocksource/mips-gic-timer.c).
>
> This does however not solve the issue for interrupts that are not
> referenced by any driver through the device tree and results in
> request_irq() calls returning -ENOSYS. It can be observed when attempting
> to use perf tool to access hardware performance counters.
>
> Fix this by explicitly calling irq_create_fwspec_mapping() for local
> interrupts.
>
> Fixes: e875bd66dfb ("irqchip/mips-gic: Fix local interrupts")
> Signed-off-by: Marcin Nowakowski <[email protected]>
> Cc: Paul Burton <[email protected]>
> Cc: Thomas Gleixner <[email protected]>
> Cc: Jason Cooper <[email protected]>
> Cc: Marc Zyngier <[email protected]>
> Cc: [email protected]
Queued, thanks.
M.
--
Jazz is not dead, it just smell funny.
