Commit-ID: 2a5e9a072da6469a37d1f0b1577416f51223c280
Gitweb: http://git.kernel.org/tip/2a5e9a072da6469a37d1f0b1577416f51223c280
Author: Marc Zyngier <marc.zyngier@xxxxxxx>
AuthorDate: Tue, 13 Oct 2015 12:51:43 +0100
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Tue, 13 Oct 2015 19:01:25 +0200
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@xxxxxxx>
Tested-by: Hanjun Guo <hanjun.guo@xxxxxxxxxx>
Tested-by: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>
Cc: <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>
Cc: Tomasz Nowicki <tomasz.nowicki@xxxxxxxxxx>
Cc: Suravee Suthikulpanit <Suravee.Suthikulpanit@xxxxxxx>
Cc: Graeme Gregory <graeme@xxxxxxxxxxx>
Cc: Jake Oshins <jakeo@xxxxxxxxxxxxx>
Cc: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
Cc: Jason Cooper <jason@xxxxxxxxxxxxxx>
Cc: Rafael J. Wysocki <rjw@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1444737105-31573-16-git-send-email-marc.zyngier@xxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
include/linux/irqdomain.h | 17 +++++++++++++++--
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 949caa7..2b3340ae 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 41151d3..22aa961 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;
--
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