From: Guxin Gao gaojuxin@loongson.cn

LoongArch inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I9SW2E CVE: NA

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Fixed the problem of device interrupt exception on lower bridge 1 of 3C5000 dual-bridge platform due to extended IO interrupt routing error.

Fixes: a0636064c194 ("irqchip/loongson-pch-pic: Update interrupt registration policy") Signed-off-by: Guxin Gao gaojuxin@loongson.cn Signed-off-by: Hongchen Zhang zhanghongchen@loongson.cn --- drivers/irqchip/irq-loongson-pch-pic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-loongson-pch-pic.c b/drivers/irqchip/irq-loongson-pch-pic.c index 6b650020fff8..6e4dde64687e 100644 --- a/drivers/irqchip/irq-loongson-pch-pic.c +++ b/drivers/irqchip/irq-loongson-pch-pic.c @@ -268,7 +268,7 @@ static void pch_pic_reset(struct pch_pic *priv)

for (i = 0; i < PIC_COUNT; i++) { /* Write vector ID */ - writeb(priv->ht_vec_base + i, priv->base + PCH_INT_HTVEC(hwirq_to_bit(priv, i))); + writeb(i, priv->base + PCH_INT_HTVEC(hwirq_to_bit(priv, i))); /* Hardcode route to HT0 Lo */ writeb(1, priv->base + PCH_INT_ROUTE(i)); }