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authorThomas Gleixner <[email protected]>2017-06-20 01:37:16 +0200
committerThomas Gleixner <[email protected]>2017-06-22 18:21:12 +0200
commit9dc6be3d419398eae9a19cd09b7969ceff8eaf10 (patch)
tree3e5ededbce858a2b186459b7a911f2cf2d4a53e8 /include/linux
parentae904cafd59d7120ef2afb97b252eadeba45e95f (diff)
genirq/irqdomain: Add map counter
Add a map counter instead of counting radix tree entries for diagnosis. That also gives correct information for linear domains. Signed-off-by: Thomas Gleixner <[email protected]> Acked-by: Marc Zyngier <[email protected]> Cc: Jens Axboe <[email protected]> Cc: Michael Ellerman <[email protected]> Cc: Keith Busch <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Christoph Hellwig <[email protected]> Link: http://lkml.kernel.org/r/[email protected]
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/irqdomain.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index 9cf32a2fbe69..17ccd54d936d 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -130,6 +130,7 @@ struct irq_domain_chip_generic;
* @host_data: private data pointer for use by owner. Not touched by irq_domain
* core code.
* @flags: host per irq_domain flags
+ * @mapcount: The number of mapped interrupts
*
* Optional elements
* @of_node: Pointer to device tree nodes associated with the irq_domain. Used
@@ -152,6 +153,7 @@ struct irq_domain {
const struct irq_domain_ops *ops;
void *host_data;
unsigned int flags;
+ unsigned int mapcount;
/* Optional data */
struct fwnode_handle *fwnode;