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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>
This commit is contained in:
Jean Delvare 2008-02-24 20:03:41 +01:00 committed by Jean Delvare
parent 4fa2b1cde0
commit c9a2c46d7f
1 changed files with 2 additions and 0 deletions
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2
arch/arm/mach-omap1/board-sx1.c
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@ -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;