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authorJean Delvare <khali@linux-fr.org>2008-02-24 20:03:41 +0100
committerJean Delvare <khali@hyperion.delvare>2008-02-24 20:03:41 +0100
commitc9a2c46d7f32a884510b20f0cfa79a2c6a2f1413 (patch)
tree9379ceb746c5643083fc52e9fb26115b15b5a004
parent4fa2b1cde0e3797549f711ce9e51c395b3d6d2a7 (diff)
downloadlinux-stericsson-c9a2c46d7f32a884510b20f0cfa79a2c6a2f1413.tar.gz
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>
-rw-r--r--arch/arm/mach-omap1/board-sx1.c2
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;