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lib: utils/irqchip: plic: Fix the off-by-one error in plic_context_init() 

The number of interrupt enable register in words was once correct,
but was wrongly changed to have an off-by-one error since
commit 8c362e7d06 ("lib: irqchip/plic: Factor out a context init function").

Fixes: 8c362e7d06 ("lib: irqchip/plic: Factor out a context init function")
Signed-off-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Samuel Holland <samuel@sholland.org>
This commit is contained in:
Bin Meng 2022-12-11 14:54:22 +08:00 committed by Anup Patel
parent 8509e46ca6
commit 91c8a7d5ce
1 changed files with 1 additions and 1 deletions
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lib/utils/irqchip/plic.c
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@ -121,7 +121,7 @@ int plic_context_init(const struct plic_data *plic, int context_id,
if (!plic || context_id < 0)
return SBI_EINVAL;
ie_words = (plic->num_src + 31) / 32;
ie_words = plic->num_src / 32 + 1;
ie_value = enable ? 0xffffffffU : 0U;
for (u32 i = 0; i < ie_words; i++)