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Subject[PATCH 1/2] genirq: Get the fwnode back for irqchips being probed via ACPI namespace
Date
From: Hanjun Guo <hanjun.guo@linaro.org>

commit d59f6617eef0 (genirq: Allow fwnode to carry name information only)
forgot to do "domain->fwnode = fwnode;" for irqchips being probed via
ACPI namesapce (DSDT/SSDT), that will break platforms with irqchip such
as mbigen or qcom irq combiner, set the fwnode back to fix the issue.

Reported-by: John Garry <john.garry@huawei.com>
Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
---
kernel/irq/irqdomain.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index 14fe862..1bc38fa 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -151,7 +151,6 @@ struct irq_domain *__irq_domain_add(struct fwnode_handle *fwnode, int size,
domain->flags |= IRQ_DOMAIN_NAME_ALLOCATED;
break;
default:
- domain->fwnode = fwnode;
domain->name = fwid->name;
break;
}
@@ -172,7 +171,6 @@ struct irq_domain *__irq_domain_add(struct fwnode_handle *fwnode, int size,
strreplace(name, '/', ':');

domain->name = name;
- domain->fwnode = fwnode;
domain->flags |= IRQ_DOMAIN_NAME_ALLOCATED;
}

@@ -196,6 +194,7 @@ struct irq_domain *__irq_domain_add(struct fwnode_handle *fwnode, int size,
INIT_RADIX_TREE(&domain->revmap_tree, GFP_KERNEL);
domain->ops = ops;
domain->host_data = host_data;
+ domain->fwnode = fwnode;
domain->hwirq_max = hwirq_max;
domain->revmap_size = size;
domain->revmap_direct_max_irq = direct_max;
--
1.7.12.4
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