From 7e3bec635b3e9591569be75a933bc8139a03b443 Mon Sep 17 00:00:00 2001
From: David Sidrane <david_s5@nscdg.com>
Date: Thu, 23 Mar 2017 11:50:37 -1000
Subject: [PATCH] stm32_i2c_alt:Move def of regval to top func def per CS

---
 arch/arm/src/stm32/stm32_i2c_alt.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm/src/stm32/stm32_i2c_alt.c b/arch/arm/src/stm32/stm32_i2c_alt.c
index ca64656d8c..b115ce2795 100644
--- a/arch/arm/src/stm32/stm32_i2c_alt.c
+++ b/arch/arm/src/stm32/stm32_i2c_alt.c
@@ -1204,6 +1204,9 @@ static inline void stm32_i2c_enablefsmc(uint32_t ahbenr)
 
 static int stm32_i2c_isr(struct stm32_i2c_priv_s *priv)
 {
+#ifndef CONFIG_I2C_POLLED
+  uint32_t regval;
+#endif
   uint32_t status;
 
   i2cinfo("I2C ISR called\n");