ARM: OMAP: Release i2c_adapter after use (Siemens SX1)

Each call to i2c_get_adapter() must be followed by a call to
i2c_put_adapter() to release the grabbed reference. Otherwise the
reference count grows forever and the adapter can never be
unregistered.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Vladimir Ananiev <vovan888@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/arm/mach-omap1/board-sx1.c b/arch/arm/mach-omap1/board-sx1.c
index 1c7f09aedf07..e473fa6d4a5f 100644
--- a/arch/arm/mach-omap1/board-sx1.c
+++ b/arch/arm/mach-omap1/board-sx1.c
@@ -61,6 +61,7 @@ int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value)
         data[0] = regoffset;    /* register num */
         data[1] = value;                /* register data */
         err = i2c_transfer(adap, msg, 1);
+        i2c_put_adapter(adap);
         if (err >= 0)
                 return 0;
         return err;
@@ -91,6 +92,7 @@ int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value)
         msg->buf = data;
         err = i2c_transfer(adap, msg, 1);
         *value = data[0];
+        i2c_put_adapter(adap);
 
         if (err >= 0)
                 return 0;