From d98f16d61b53dc86dc40393d6654075885f8a1b0 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sat, 28 Apr 2012 05:53:57 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4138
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 os/hal/platforms/STM32/ext_lld.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'os')

diff --git a/os/hal/platforms/STM32/ext_lld.c b/os/hal/platforms/STM32/ext_lld.c
index ed80f524c..225fc854d 100644
--- a/os/hal/platforms/STM32/ext_lld.c
+++ b/os/hal/platforms/STM32/ext_lld.c
@@ -581,7 +581,7 @@ void ext_lld_channel_enable(EXTDriver *extp, expchannel_t channel) {
     uint32_t mask = ~(0xF << (channel & 3));
     uint32_t port = ((extp->config->channels[channel].mode &
                       EXT_MODE_GPIO_MASK) >>
-                     EXT_MODE_GPIO_OFF) << (channel & 3);
+                     EXT_MODE_GPIO_OFF) << ((channel & 3) * 4);
 
 #if defined(STM32L1XX_MD) || defined(STM32F2XX) || defined(STM32F4XX)
   SYSCFG->EXTICR[n] = (SYSCFG->EXTICR[n] & mask) | port;
-- 
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