From: Keith Packard <keithp@keithp.com>
Date: Wed, 29 Jun 2016 19:55:30 +0000 (-0700)
Subject: altos/stm: clean up ao_exti_enable
X-Git-Tag: 1.6.5~1^2~7
X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=commitdiff_plain;h=c6c250711355ae8060e956e786702be250ef4527

altos/stm: clean up ao_exti_enable

Was computing (1 << pin) twice for no good reason.

Signed-off-by: Keith Packard <keithp@keithp.com>
---

diff --git a/src/stm/ao_exti_stm.c b/src/stm/ao_exti_stm.c
index 35958cf8..925f9a22 100644
--- a/src/stm/ao_exti_stm.c
+++ b/src/stm/ao_exti_stm.c
@@ -144,7 +144,7 @@ ao_exti_enable(struct stm_gpio *gpio, uint8_t pin) {
 	uint32_t	mask = (1 << pin);
 	(void) gpio;
 	stm_exti.pr = mask;
-	stm_exti.imr |= (1 << pin);
+	stm_exti.imr |= mask;
 }
 
 void