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Diffstat (limited to 'nuttx/arch/pjrc-8051/src/up_irq.c')
-rw-r--r--nuttx/arch/pjrc-8051/src/up_irq.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/nuttx/arch/pjrc-8051/src/up_irq.c b/nuttx/arch/pjrc-8051/src/up_irq.c
index bf76b25a8..a23e4c17b 100644
--- a/nuttx/arch/pjrc-8051/src/up_irq.c
+++ b/nuttx/arch/pjrc-8051/src/up_irq.c
@@ -71,6 +71,10 @@ extern int g_nints;
void up_irqinitialize(void)
{
+ /* Set interrupt priorities (all low) */
+
+ IP = 0;
+
#ifdef CONFIG_SUPPRESS_INTERRUPTS
/* Disable all interrupts */