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| author | Bin Meng <bmeng@tinylab.org> | 2022-12-11 09:54:22 +0300 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2022-12-17 06:30:35 +0300 |
| commit | 91c8a7d5cef1e9729c1c2bad549ebc69afeadb3b (patch) | |
| tree | c4f7c0871e94caf31dab3406838a4de0090a54d5 | |
| parent | 8509e46ca63a4ed7dff2244cd7f288bf5591ab61 (diff) | |
| download | opensbi-91c8a7d5cef1e9729c1c2bad549ebc69afeadb3b.tar.xz | |
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 8c362e7d065e ("lib: irqchip/plic: Factor out a context init function").
Fixes: 8c362e7d065e ("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>
| -rw-r--r-- | lib/utils/irqchip/plic.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/utils/irqchip/plic.c b/lib/utils/irqchip/plic.c index c5c1879..5b87d3b 100644 --- a/lib/utils/irqchip/plic.c +++ b/lib/utils/irqchip/plic.c @@ -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++) |