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Diffstat (limited to 'nuttx/arch/arm/src/lm3s/lm3s_irq.c')
-rw-r--r--nuttx/arch/arm/src/lm3s/lm3s_irq.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/lm3s/lm3s_irq.c b/nuttx/arch/arm/src/lm3s/lm3s_irq.c
index 80bb33503..def4ce391 100644
--- a/nuttx/arch/arm/src/lm3s/lm3s_irq.c
+++ b/nuttx/arch/arm/src/lm3s/lm3s_irq.c
@@ -175,6 +175,17 @@ void up_irqinitialize(void)
current_regs = NULL;
+ /* Initialize support for GPIO interrupts if included in this build */
+
+#ifndef CONFIG_LM3S_DISABLE_GPIO_IRQS
+#ifdef CONFIG_HAVE_WEAKFUNCTIONS
+ if (gpio_irqinitialize != NULL)
+#endif
+ {
+ gpio_irqinitialize();
+ }
+#endif
+
/* Attach the PendSV exception handler and set it to the minimum
* prioirity. The PendSV exception is used for performing
* context switches.