genirq: Make generic irq chip depend on CONFIG_GENERIC_IRQ_CHIP

Only compile it in when there are users.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-arm-kernel@lists.infradead.org

1 files changed, 4 insertions, 0 deletions

diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig
index c574f9a12c48..d1d051b38e0b 100644
--- a/kernel/irq/Kconfig
+++ b/kernel/irq/Kconfig
@@ -48,6 +48,10 @@ config IRQ_PREFLOW_FASTEOI
 config IRQ_EDGE_EOI_HANDLER
        bool
 
+# Generic configurable interrupt chip implementation
+config GENERIC_IRQ_CHIP
+       bool
+
 # Support forced irq threading
 config IRQ_FORCED_THREADING
        bool