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authorThomas Gleixner <tglx@linutronix.de>2015-09-16 14:37:12 +0200
committerThomas Gleixner <tglx@linutronix.de>2015-09-16 15:43:11 +0200
commit755d119a6204974b2005a98549a48a75a7f5010b (patch)
tree0c2ee8c6758b2331a8c4bae9d908b7c23bc627a3
parentgenirq: Remove __irq_set_handler_locked() (diff)
downloadlinux-755d119a6204974b2005a98549a48a75a7f5010b.tar.xz
linux-755d119a6204974b2005a98549a48a75a7f5010b.zip
genirq: Simplify irq_data_to_desc()
Avoid the lookup of irq_desc and use the same mechanism for hierarchical and flat irqdomains. Based-on-a-patch-from: Jiang Liu <jiang.liu@linux.intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
-rw-r--r--include/linux/irqdesc.h6
1 files changed, 1 insertions, 5 deletions
diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h
index dce395cd67de..1fc5304641a1 100644
--- a/include/linux/irqdesc.h
+++ b/include/linux/irqdesc.h
@@ -98,11 +98,7 @@ extern struct irq_desc irq_desc[NR_IRQS];
static inline struct irq_desc *irq_data_to_desc(struct irq_data *data)
{
-#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY
- return irq_to_desc(data->irq);
-#else
- return container_of(data, struct irq_desc, irq_data);
-#endif
+ return container_of(data->common, struct irq_desc, irq_common_data);
}
static inline unsigned int irq_desc_get_irq(struct irq_desc *desc)