Commit-ID: 54f775d4e5be9dedfa7f6b62bda913c03a30985d
Gitweb: http://git.kernel.org/tip/54f775d4e5be9dedfa7f6b62bda913c03a30985d
Author: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
AuthorDate: Mon, 27 Oct 2014 16:11:59 +0800
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Wed, 5 Nov 2014 11:04:46 +0100
x86, irq: Introduce helpers to access struct irq_cfg
Change irq_cfg() from static to extern, also introduce helper function
irqd_cfg(). Later we can rewrite these two helpers when enabling
hierarchy irqdomain.
Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Cc: Tony Luck <tony.luck@xxxxxxxxx>
Cc: Joerg Roedel <joro@xxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Rafael J. Wysocki <rjw@xxxxxxxxxxxxx>
Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Yinghai Lu <yinghai@xxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Prarit Bhargava <prarit@xxxxxxxxxx>
Cc: Grant Likely <grant.likely@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/1414397531-28254-9-git-send-email-jiang.liu@xxxxxxxxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
arch/x86/include/asm/hw_irq.h | 2 ++
arch/x86/kernel/apic/io_apic.c | 7 ++++++-
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index e1acbba..454c9e4 100644
--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -132,6 +132,8 @@ struct irq_cfg {
};
};
+extern struct irq_cfg *irq_cfg(unsigned int irq);
+extern struct irq_cfg *irqd_cfg(struct irq_data *irq_data);
extern void setup_vector_irq(int cpu);
extern int assign_irq_vector(int, struct irq_cfg *, const struct cpumask *);
#ifdef CONFIG_SMP
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 30e9999..a2d6be9 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -281,11 +281,16 @@ int __init arch_early_irq_init(void)
return 0;
}
-static inline struct irq_cfg *irq_cfg(unsigned int irq)
+struct irq_cfg *irq_cfg(unsigned int irq)
{
return irq_get_chip_data(irq);
}
+struct irq_cfg *irqd_cfg(struct irq_data *irq_data)
+{
+ return irq_data->chip_data;
+}
+
static struct irq_cfg *alloc_irq_cfg(unsigned int irq, int node)
{
struct irq_cfg *cfg;
--
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