Re: [PATCH 3/3] irqchip: RISC-V Local Interrupt Controller Driver
From: Christoph Hellwig
Date: Sat Jun 23 2018 - 03:28:39 EST
> +config RISCV_INTC
> + #bool "RISC-V Interrupt Controller"
> + depends on RISCV
> + default y
> + help
> + This enables support for the local interrupt controller found in
> + standard RISC-V systems. The local interrupt controller handles
> + timer interrupts, software interrupts, and hardware interrupts.
> + Without a local interrupt controller the system will be unable to
> + handle any interrupts, including those passed via the PLIC.
This can just be:
config RISCV_INTC
def_bool y if RISCV
depends on RISCV
as this isn't a user selectable option.
> index 000000000000..7ca3060e76b4
> --- /dev/null
> +++ b/drivers/irqchip/irq-riscv-intc.c
> @@ -0,0 +1,215 @@
> +/*
> + * Copyright (C) 2012 Regents of the University of California
> + * Copyright (C) 2017-2018 SiFive
> + */
> +/* SPDX-License-Identifier: GPL-2.0 */
SPDX tags need to be the first thing in the file, and use // -style
comments.
FYI, I've got a version with this and a few other cleanups here:
http://git.infradead.org/users/hch/riscv.git/commitdiff/d0789843f663ba8a6573ac5f73d8b6f999c8e6ed