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authorHuacai Chen <chenhuacai@loongson.cn>2022-08-04 04:54:21 +0200
committerMarc Zyngier <maz@kernel.org>2022-08-04 11:04:03 +0200
commite260cfe6fb503292f183a43b51177664b222435d (patch)
tree9b8ea2332f086b227ca5223590138f7e27f54697 /drivers
parentiommu/hyper-v: Use helper instead of directly accessing affinity (diff)
downloadlinux-e260cfe6fb503292f183a43b51177664b222435d.tar.xz
linux-e260cfe6fb503292f183a43b51177664b222435d.zip
irqchip/loongson-eiointc: Fix irq affinity setting
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> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20220804025421.211958-1-chenhuacai@loongson.cn
Diffstat (limited to 'drivers')
-rw-r--r--drivers/irqchip/irq-loongson-eiointc.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/irqchip/irq-loongson-eiointc.c b/drivers/irqchip/irq-loongson-eiointc.c
index 80d8ca6f2d46..317467857478 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));