Commit c9a2c46d authored Feb 24, 2008 by Jean Delvare Committed by Jean Delvare Feb 24, 2008

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>

parent 4fa2b1cd

arch/arm/mach-omap1/board-sx1.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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;