| From | Jiang Liu <> | Subject | [Patch v3 36/36] genirq: Optimize irq_data_to_desc() to avoid irq_to_desc() lookup | Date | Mon, 1 Jun 2015 16:05:45 +0800 |
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Optimize irq_data_to_desc() to avoid irq_to_desc() lookup.
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> --- include/linux/irqdesc.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h index 4dfa46b99a14..749755bffbc1 100644 --- a/include/linux/irqdesc.h +++ b/include/linux/irqdesc.h @@ -97,7 +97,7 @@ 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); + return container_of(data->common, struct irq_desc, irq_common_data); #else return container_of(data, struct irq_desc, irq_data); #endif -- 1.7.10.4
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