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| author |   Jiang Liu <jiang.liu@linux.intel.com> | 2014-11-15 22:24:02 +0800 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2014-11-23 13:01:46 +0100 |
| commit | afb7da83b9f476728623130703acb553d7c7c4d9 (patch) | |
| tree | 1d83a329f50cea86c5ff7fb943ccc07bdf9a8b75 /include/linux/irqdomain.h | |
| parent | irqdomain: Implement a method to automatically call parent domains alloc/free (diff) | |
| download | linux-dev-afb7da83b9f476728623130703acb553d7c7c4d9.tar.xz linux-dev-afb7da83b9f476728623130703acb553d7c7c4d9.zip | |
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 <jiang.liu@linux.intel.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Yijing Wang <wangyijing@huawei.com>
Cc: Yingjoe Chen <yingjoe.chen@mediatek.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Link: http://lkml.kernel.org/r/1416061447-9472-5-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/irqdomain.h')
| -rw-r--r-- | include/linux/irqdomain.h | 4 |
1 files changed, 4 insertions, 0 deletions
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); |