From: Herve Codina <herve.codina@bootlin.com>
To: Conor Dooley <conor@kernel.org>
Cc: linux-gpio@vger.kernel.org,
Conor Dooley <conor.dooley@microchip.com>,
Thomas Gleixner <tglx@linutronix.de>,
Daire McNamara <daire.mcnamara@microchip.com>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Paul Walmsley <pjw@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Alexandre Ghiti <alex@ghiti.fr>,
Linus Walleij <linusw@kernel.org>,
Bartosz Golaszewski <brgl@kernel.org>,
linux-riscv@lists.infradead.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v12 3/4] soc: microchip: add mpfs gpio interrupt mux driver
Date: Wed, 11 Mar 2026 17:11:29 +0100 [thread overview]
Message-ID: <20260311171129.2c382b91@bootlin.com> (raw)
In-Reply-To: <20260311-vigorous-steadfast-04afdcc9e524@spud>
Hi Conor,
On Wed, 11 Mar 2026 15:17:40 +0000
Conor Dooley <conor@kernel.org> wrote:
> From: Conor Dooley <conor.dooley@microchip.com>
>
> 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@microchip.com>
> ---
> 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@bootlin.com>
Best regards,
Hervé
next prev parent reply other threads:[~2026-03-11 16:11 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-11 15:17 [PATCH v12 0/4] PolarFire SoC GPIO interrupt support Conor Dooley
2026-03-11 15:17 ` [PATCH v12 1/4] gpio: mpfs: Add " Conor Dooley
2026-03-16 9:06 ` Bartosz Golaszewski
2026-03-16 9:22 ` Linus Walleij
2026-03-11 15:17 ` [PATCH v12 2/4] dt-bindings: soc: microchip: document PolarFire SoC's gpio interrupt mux Conor Dooley
2026-03-11 16:41 ` Rob Herring (Arm)
2026-03-11 17:58 ` Conor Dooley
2026-03-11 19:44 ` Rob Herring
2026-03-11 15:17 ` [PATCH v12 3/4] soc: microchip: add mpfs gpio interrupt mux driver Conor Dooley
2026-03-11 16:11 ` Herve Codina [this message]
2026-03-16 9:27 ` Linus Walleij
2026-03-16 10:59 ` Conor Dooley
2026-03-19 13:37 ` Linus Walleij
2026-03-16 9:47 ` Bartosz Golaszewski
2026-03-11 15:17 ` [PATCH v12 4/4] riscv: dts: microchip: update mpfs gpio interrupts to better match the SoC Conor Dooley
2026-03-16 9:27 ` Linus Walleij
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