altos: clear CPU port 1 interrupt flag when handled

[fw/altos] / src / ao_usb.c

diff --git a/src/ao_usb.c b/src/ao_usb.c
index dd7521525f4a08da5e833296e5afb917297bdc6a..e4b7938d8e85215fdabfc37be02b0e3c9e1386cb 100644 (file)
--- a/src/ao_usb.c
+++ b/src/ao_usb.c
@@ -46,7 +46,6 @@ void
 ao_usb_isr(void) __interrupt 6
 {
        USBIF = 0;
-       IRCON2 &= ~IRCON2_USBIF;
        ao_usb_iif |= USBIIF;
        if (ao_usb_iif & 1)
                ao_wakeup(&ao_usb_task);