platform: plic: Bypass interrupt ID 0's priority programming

Per PLIC spec, interrupt ID 0 is defined to mean "no interrupt".
We should bypass it.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Bin Meng
2019-03-14 00:13:32 +08:00
committed by Anup Patel
parent ebe351e550
commit 312850148a

View File

@@ -118,7 +118,7 @@ int plic_cold_irqchip_init(unsigned long base,
plic_base = (void *)base;
/* Configure default priorities of all IRQs */
for (i = 0; i < plic_num_sources; i++)
for (i = 1; i <= plic_num_sources; i++)
plic_set_priority(i, 1);
return 0;