[PATCH v2 0/4] irqchip: armada-370-xp: remove IRQ_NOAUTOEN workaround

[jason@lakedaemon.net (Jason Cooper)]

Hi Thomas,

On Mon, Feb 27, 2017 at 05:12:16PM +0100, Thomas Petazzoni wrote:
> Hello,
> 
> This is the second version of a patch series initially posted in
> October 2015, under the title:
> 
>   [PATCH 0/5] Fix regression introduced by set_irq_flags() removal
> 
> at the time, the regression was worked around in commit
> 353d6d6c82e5d2533ba22e7f9fb081582bf50dc2 ("irqchip/armada-370-xp: Fix
> regression by clearing IRQ_NOAUTOEN") and this series brings the
> proper fix for the original issue, while reverting the work around.
> 
> Changes since v1:
> 
>  - Rebased on top of v4.10.
> 
>  - Patch "kernel: irq: implement is_enabled_percpu_irq()" dropped,
>    since it has been merged upstream as commit
>    f0cb32207307e9d7b3ee8117078b7a37f8d0166e ("genirq: Implement
>    irq_percpu_is_enabled()")
> 
>  - Patch "irqchip: armada-370-xp: prepare additions to
>    armada_xp_mpic_secondary_init()" dropped, since similar changes
>    were merged as part of the overall CPU hotplug rework.
> 
>  - Patches "irqchip: armada-370-xp: re-order register definitions" and
>    "irqchip: armada-370-xp: document the overall driver logic" moved
>    at the beginning of the series.
> 
>  - Acked-by added on "irqchip: armada-370-xp: re-order register
>    definitions" and "irqchip: armada-370-xp: document the overall
>    driver logic"
> 
>  - In patch "irqchip: armada-370-xp: document the overall driver
>    logic", fix minor presentation detail in the ASCII art diagram.
> 
>  - In patch "irqchip: armada-370-xp: re-enable per-CPU interrupts at
>    resume time":
> 
>    - Move the per-CPU interrupt re-enabling logic for secondary cores
>      into a utility function armada_xp_mpic_reenable_percpu() called
>      by both armada_xp_mpic_starting_cpu() and
>      mpic_cascaded_starting_cpu().
> 
>    - Instead of iterating on all IRQs and filtering the per-CPU ones,
>      only iterate on the first ARMADA_370_XP_MAX_PER_CPU_IRQS, which
>      are the only per-CPU ones. Suggested by Gr?gory Clement.
> 
>    - Use the irq_percpu_is_enabled() API, which was the one actually
>      merged, instead of the one originally proposed in the v1 of this
>      series.
> 
>  - Addition of a patch reverting the work around.
> 
> Thanks,
> 
> Thomas
> 
> Thomas Petazzoni (4):
>   irqchip: armada-370-xp: re-order register definitions
>   irqchip: armada-370-xp: document the overall driver logic
>   irqchip: armada-370-xp: re-enable per-CPU interrupts at resume time
>   Revert "irqchip/armada-370-xp: Fix regression by clearing
>     IRQ_NOAUTOEN"
> 
>  drivers/irqchip/irq-armada-370-xp.c | 146 +++++++++++++++++++++++++++++++-----
>  1 file changed, 129 insertions(+), 17 deletions(-)

Thanks for a great patch series!  I'll pick this up once -rc1 drops.

thx,

Jason.