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Subject[PATCH 2/2] irqchip/loongson-eiointc: Fix irq affinity setting
Date
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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