Re: [PATCH v12 3/4] soc: microchip: add mpfs gpio interrupt mux driver

From: Herve Codina

Date: Wed Mar 11 2026 - 12:13:57 EST


Hi Conor,

On Wed, 11 Mar 2026 15:17:40 +0000
Conor Dooley <conor@xxxxxxxxxx> wrote:

> From: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
>
> On PolarFire SoC there are more GPIO interrupts than there are interrupt
> lines available on the PLIC, and a runtime configurable mux is used to
> decide which interrupts are assigned direct connections to the PLIC &
> which are relegated to sharing a line.
>
> Add a driver so that Linux can set the mux based on the interrupt
> mapping in the devicetree.
>
> Signed-off-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
> ---
> MAINTAINERS | 2 +-
> drivers/soc/microchip/Kconfig | 11 ++
> drivers/soc/microchip/Makefile | 1 +
> drivers/soc/microchip/mpfs-irqmux.c | 181 ++++++++++++++++++++++++++++
> 4 files changed, 194 insertions(+), 1 deletion(-)
> create mode 100644 drivers/soc/microchip/mpfs-irqmux.c
>

Looks good.

Reviewed-by: Herve Codina <herve.codina@xxxxxxxxxxx>

Best regards,
Hervé