[PATCH v3 4/5] lib: utils/irqchip: plic: Fix the off-by-one error in context save/restore helpers

[Samuel Holland]

On 12/11/22 00:54, Bin Meng wrote:
> plic->num_src holds the number of interrupt sources without interrupt
> source 0 but the interrupt enable register includes a bit for the
> interrupt source 0 in the first word.

On the other hand, it is not really feasible to exclude the first bit
here, so maybe it makes sense to leave patch 1 as it is for consistency.

> Fixes: 415ecf28f7ad ("lib: irqchip/plic: Add context save/restore helpers")
> Signed-off-by: Bin Meng <bmeng at tinylab.org>
> Reviewed-by: Anup Patel <anup at brainfault.org>
> 
> ---
> 
> (no changes since v2)
> 
> Changes in v2:
> - new patch: lib: utils/irqchip: plic: Fix the off-by-one error in context save/restore helpers
> 
>  lib/utils/irqchip/plic.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Reviewed-by: Samuel Holland <samuel at sholland.org>