From: Jean Delvare Date: Sun, 24 Feb 2008 19:03:41 +0000 (+0100) Subject: ARM: OMAP: Release i2c_adapter after use (Siemens SX1) X-Git-Tag: v2.6.25-rc3~7 X-Git-Url: http://ftp.safe.ca/?a=commitdiff_plain;h=c9a2c46d7f32a884510b20f0cfa79a2c6a2f1413;p=safe%2Fjmp%2Flinux-2.6 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 Acked-by: Vladimir Ananiev Acked-by: Tony Lindgren --- diff --git a/arch/arm/mach-omap1/board-sx1.c b/arch/arm/mach-omap1/board-sx1.c index 1c7f09a..e473fa6 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;