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author | Marc Zyngier <marc.zyngier@arm.com> | 2015-10-13 12:51:43 +0100 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2015-10-13 19:01:25 +0200 |
commit | 2a5e9a072da6469a37d1f0b1577416f51223c280 (patch) | |
tree | 64f0e77794fdb0aec67b48f153e5ad8217f0a506 | |
parent | 462e4fc793b1071dee7c15680218a001318060c5 (diff) | |
download | linux-2a5e9a072da6469a37d1f0b1577416f51223c280.tar.bz2 |
irqdomain: Introduce irq_domain_create_hierarchy
As we're about to start converting the various MSI layers to
use fwnode_handle instead of device_node, add irq_domain_create_hierarchy
as a directly equivalent of irq_domain_add_hierarchy (which still
exists as a compatibility interface).
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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/1444737105-31573-16-git-send-email-marc.zyngier@arm.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
-rw-r--r-- | include/linux/irqdomain.h | 17 | ||||
-rw-r--r-- | kernel/irq/irqdomain.c | 12 |
2 files changed, 21 insertions, 8 deletions
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index 949caa728758..2b3340ae915d 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -340,10 +340,23 @@ extern void irq_domain_set_info(struct irq_domain *domain, unsigned int virq, void *chip_data, irq_flow_handler_t handler, void *handler_data, const char *handler_name); #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY -extern struct irq_domain *irq_domain_add_hierarchy(struct irq_domain *parent, +extern struct irq_domain *irq_domain_create_hierarchy(struct irq_domain *parent, unsigned int flags, unsigned int size, - struct device_node *node, + struct fwnode_handle *fwnode, const struct irq_domain_ops *ops, void *host_data); + +static inline 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) +{ + return irq_domain_create_hierarchy(parent, flags, size, + of_node_to_fwnode(node), + ops, 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); diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index 41151d394da7..22aa9612ef7c 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -854,11 +854,11 @@ static int irq_domain_alloc_descs(int virq, unsigned int cnt, #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY /** - * irq_domain_add_hierarchy - Add a irqdomain into the hierarchy + * irq_domain_create_hierarchy - Add a irqdomain into the hierarchy * @parent: Parent irq domain to associate with the new domain * @flags: Irq domain flags associated to the domain * @size: Size of the domain. See below - * @node: Optional device-tree node of the interrupt controller + * @fwnode: Optional fwnode of the interrupt controller * @ops: Pointer to the interrupt domain callbacks * @host_data: Controller private data pointer * @@ -868,19 +868,19 @@ static int irq_domain_alloc_descs(int virq, unsigned int cnt, * domain flags are set. * Returns pointer to IRQ domain, or NULL on failure. */ -struct irq_domain *irq_domain_add_hierarchy(struct irq_domain *parent, +struct irq_domain *irq_domain_create_hierarchy(struct irq_domain *parent, unsigned int flags, unsigned int size, - struct device_node *node, + struct fwnode_handle *fwnode, const struct irq_domain_ops *ops, void *host_data) { struct irq_domain *domain; if (size) - domain = irq_domain_add_linear(node, size, ops, host_data); + domain = irq_domain_create_linear(fwnode, size, ops, host_data); else - domain = irq_domain_add_tree(node, ops, host_data); + domain = irq_domain_create_tree(fwnode, ops, host_data); if (domain) { domain->parent = parent; domain->flags |= flags; |