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-rw-r--r--include/linux/irq.h1
-rw-r--r--kernel/irq/debugfs.c1
2 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 4bd2f34947f4..201de12a9957 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -503,6 +503,7 @@ struct irq_chip {
* IRQCHIP_SKIP_SET_WAKE: Skip chip.irq_set_wake(), for this irq chip
* IRQCHIP_ONESHOT_SAFE: One shot does not require mask/unmask
* IRQCHIP_EOI_THREADED: Chip requires eoi() on unmask in threaded mode
+ * IRQCHIP_SUPPORTS_LEVEL_MSI Chip can provide two doorbells for Level MSIs
*/
enum {
IRQCHIP_SET_TYPE_MASKED = (1 << 0),
diff --git a/kernel/irq/debugfs.c b/kernel/irq/debugfs.c
index 4dadeb3d6666..6f636136cccc 100644
--- a/kernel/irq/debugfs.c
+++ b/kernel/irq/debugfs.c
@@ -55,6 +55,7 @@ static const struct irq_bit_descr irqchip_flags[] = {
BIT_MASK_DESCR(IRQCHIP_SKIP_SET_WAKE),
BIT_MASK_DESCR(IRQCHIP_ONESHOT_SAFE),
BIT_MASK_DESCR(IRQCHIP_EOI_THREADED),
+ BIT_MASK_DESCR(IRQCHIP_SUPPORTS_LEVEL_MSI),
};
static void