From: Tomasz Wozniak <t.wozniak@samsung.com>
Date: Thu, 31 Aug 2017 09:51:02 +0000 (+0200)
Subject: S5J I2C: fix bus initialization.
X-Git-Tag: 1.1_Public_Release~299^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=eb5e8cc1954574e32e077a25f4e913e38b4b9e25;p=rtos%2Ftinyara.git

S5J I2C: fix bus initialization.
Before the bus could only be taken once, otherwise it didn't work.
Even worse, second uninit triggered a DEBUGASSERT failure.
---

diff --git a/os/arch/arm/src/s5j/s5j_i2c.c b/os/arch/arm/src/s5j/s5j_i2c.c
index 18797b3..6d46c86 100644
--- a/os/arch/arm/src/s5j/s5j_i2c.c
+++ b/os/arch/arm/src/s5j/s5j_i2c.c
@@ -1270,7 +1270,9 @@ struct i2c_dev_s *up_i2cinitialize(int port)
 
 	/* Get I2C private structure */
 	if (g_s5j_i2c_priv[port] != NULL) {
-		return (FAR struct i2c_dev_s *)g_s5j_i2c_priv[port];
+		priv = g_s5j_i2c_priv[port];
+		priv->refs++;
+		return (FAR struct i2c_dev_s *)priv;
 	}
 
 	switch (port) {