Messages in this thread Patch in this message | | | From | Huacai Chen <> | Subject | [PATCH 2/2] irqchip/loongson-eiointc: Fix irq affinity setting | Date | Wed, 3 Aug 2022 12:27:28 +0800 |
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In multi-node case, csr_any_send() should set EIOINTC_REG_ENABLE of the first core of target node, not the first core of the whole.
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> --- drivers/irqchip/irq-loongson-eiointc.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/irqchip/irq-loongson-eiointc.c b/drivers/irqchip/irq-loongson-eiointc.c index f8060e58ee06..58c1cf47b3d7 100644 --- a/drivers/irqchip/irq-loongson-eiointc.c +++ b/drivers/irqchip/irq-loongson-eiointc.c @@ -111,11 +111,15 @@ static int eiointc_set_irq_affinity(struct irq_data *d, const struct cpumask *af regaddr = EIOINTC_REG_ENABLE + ((vector >> 5) << 2); /* Mask target vector */ - csr_any_send(regaddr, EIOINTC_ALL_ENABLE & (~BIT(vector & 0x1F)), 0x0, 0); + csr_any_send(regaddr, EIOINTC_ALL_ENABLE & (~BIT(vector & 0x1F)), + 0x0, priv->node * CORES_PER_EIO_NODE); + /* Set route for target vector */ eiointc_set_irq_route(vector, cpu, priv->node, &priv->node_map); + /* Unmask target vector */ - csr_any_send(regaddr, EIOINTC_ALL_ENABLE, 0x0, 0); + csr_any_send(regaddr, EIOINTC_ALL_ENABLE, + 0x0, priv->node * CORES_PER_EIO_NODE); irq_data_update_effective_affinity(d, cpumask_of(cpu)); -- 2.31.1
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