From afb7da83b9f476728623130703acb553d7c7c4d9 Mon Sep 17 00:00:00 2001 From: Jiang Liu Date: Sat, 15 Nov 2014 22:24:02 +0800 Subject: irqdomain: Introduce helper function irq_domain_add_hierarchy() Introduce helper function irq_domain_add_hierarchy(), which creates a linear irqdomain if parameter 'size' is not zero, otherwise creates a tree irqdomain. Signed-off-by: Jiang Liu Cc: Tony Luck Cc: linux-arm-kernel@lists.infradead.org Cc: Bjorn Helgaas Cc: Grant Likely Cc: Marc Zyngier Cc: Yijing Wang Cc: Yingjoe Chen Cc: Borislav Petkov Cc: Benjamin Herrenschmidt Cc: Matthias Brugger Link: http://lkml.kernel.org/r/1416061447-9472-5-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner --- include/linux/irqdomain.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'include/linux/irqdomain.h') diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index dd2709bdad56..676d7306a360 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -259,6 +259,10 @@ int irq_domain_xlate_onetwocell(struct irq_domain *d, struct device_node *ctrlr, extern struct irq_data *irq_domain_get_irq_data(struct irq_domain *domain, unsigned int virq); #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY +extern struct irq_domain *irq_domain_add_hierarchy(struct irq_domain *parent, + unsigned int flags, unsigned int size, + struct device_node *node, + const struct irq_domain_ops *ops, void *host_data); extern int __irq_domain_alloc_irqs(struct irq_domain *domain, int irq_base, unsigned int nr_irqs, int node, void *arg, bool realloc); -- cgit v1.2.1