diff options
| author | Marc Zyngier <marc.zyngier@arm.com> | 2015-10-13 12:51:31 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-10-13 19:01:23 +0200 |
| commit | 130b8c6c8d86075304952241bf2365cea6489df1 (patch) | |
| tree | 98a76e1430c7c9878c49bf056a680de8c3ff8420 /include/linux/irqdomain.h | |
| parent | f110711a6053f08731858aa91420104094188973 (diff) | |
irqdomain: Allow irq domain lookup by fwnode
So far, our irq domains are still looked up by device node.
Let's change this and allow a domain to be looked up using
a fwnode_handle pointer.
The existing interfaces are preserved with a couple of helpers.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Reviewed-and-tested-by: Hanjun Guo <hanjun.guo@linaro.org>
Tested-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: <linux-arm-kernel@lists.infradead.org>
Cc: Tomasz Nowicki <tomasz.nowicki@linaro.org>
Cc: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
Cc: Graeme Gregory <graeme@xora.org.uk>
Cc: Jake Oshins <jakeo@microsoft.com>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Link: http://lkml.kernel.org/r/1444737105-31573-4-git-send-email-marc.zyngier@arm.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/irqdomain.h')
| -rw-r--r-- | include/linux/irqdomain.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index 2f508f4ac2ea..607c1856cc01 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -183,10 +183,17 @@ struct irq_domain *irq_domain_add_legacy(struct device_node *of_node, irq_hw_number_t first_hwirq, const struct irq_domain_ops *ops, void *host_data); -extern struct irq_domain *irq_find_matching_host(struct device_node *node, - enum irq_domain_bus_token bus_token); +extern struct irq_domain *irq_find_matching_fwnode(struct fwnode_handle *fwnode, + enum irq_domain_bus_token bus_token); extern void irq_set_default_host(struct irq_domain *host); +static inline struct irq_domain *irq_find_matching_host(struct device_node *node, + enum irq_domain_bus_token bus_token) +{ + return irq_find_matching_fwnode(node ? &node->fwnode : NULL, + bus_token); +} + static inline struct irq_domain *irq_find_host(struct device_node *node) { return irq_find_matching_host(node, DOMAIN_BUS_ANY); |