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Diffstat (limited to 'include/linux/irqdomain.h')
-rw-r--r--include/linux/irqdomain.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index a372086750ca..d320d15d4fba 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -125,6 +125,8 @@ struct irq_domain_chip_generic;
* core code.
* @flags: Per irq_domain flags
* @mapcount: The number of mapped interrupts
+ * @mutex: Domain lock, hierarchical domains use root domain's lock
+ * @root: Pointer to root domain, or containing structure if non-hierarchical
*
* Optional elements:
* @fwnode: Pointer to firmware node associated with the irq_domain. Pretty easy
@@ -143,7 +145,6 @@ struct irq_domain_chip_generic;
* Revmap data, used internally by the irq domain code:
* @revmap_size: Size of the linear map table @revmap[]
* @revmap_tree: Radix map tree for hwirqs that don't fit in the linear map
- * @revmap_mutex: Lock for the revmap
* @revmap: Linear table of irq_data pointers
*/
struct irq_domain {
@@ -153,6 +154,8 @@ struct irq_domain {
void *host_data;
unsigned int flags;
unsigned int mapcount;
+ struct mutex mutex;
+ struct irq_domain *root;
/* Optional data */
struct fwnode_handle *fwnode;
@@ -171,7 +174,6 @@ struct irq_domain {
irq_hw_number_t hwirq_max;
unsigned int revmap_size;
struct radix_tree_root revmap_tree;
- struct mutex revmap_mutex;
struct irq_data __rcu *revmap[];
};