aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorJiang Liu <[email protected]>2014-10-27 16:11:59 +0800
committerThomas Gleixner <[email protected]>2014-12-16 14:08:16 +0100
commit55a0e2b122c26c7496ea85754bceddc05dba402b (patch)
treeb08ec3a5b3ebf967e72e20f1ffeaf1cf01591c51
parentb794ef26f1b08f712f970fe07290b96f9e070746 (diff)
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 <[email protected]> Cc: Konrad Rzeszutek Wilk <[email protected]> Cc: Tony Luck <[email protected]> Cc: Joerg Roedel <[email protected]> Cc: Greg Kroah-Hartman <[email protected]> Cc: Benjamin Herrenschmidt <[email protected]> Cc: Rafael J. Wysocki <[email protected]> Cc: Bjorn Helgaas <[email protected]> Cc: Randy Dunlap <[email protected]> Cc: Yinghai Lu <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Prarit Bhargava <[email protected]> Cc: Grant Likely <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Thomas Gleixner <[email protected]>
-rw-r--r--arch/x86/include/asm/hw_irq.h2
-rw-r--r--arch/x86/kernel/apic/io_apic.c7
2 files changed, 8 insertions, 1 deletions
diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index e1acbbaf47ca..454c9e4056e6 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 ab8ca9327c06..783468efa4a1 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;