Hi all, I am adding the following patch to my stack. Static mutexes can be initialized at declaration time. Signed-off-by: Jean Delvare <khali at linux-fr.org> --- drivers/i2c/busses/i2c-amd756-s4882.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) --- linux-2.6.16-rc2.orig/drivers/i2c/busses/i2c-amd756-s4882.c 2006-02-07 10:56:24.000000000 +0100 +++ linux-2.6.16-rc2/drivers/i2c/busses/i2c-amd756-s4882.c 2006-02-07 10:57:17.000000000 +0100 @@ -46,7 +46,7 @@ static struct i2c_algorithm *s4882_algo; /* Wrapper access functions for multiplexed SMBus */ -static struct mutex amd756_lock; +static DEFINE_MUTEX(amd756_lock); static s32 amd756_access_virt0(struct i2c_adapter * adap, u16 addr, unsigned short flags, char read_write, @@ -167,8 +167,6 @@ } printk(KERN_INFO "Enabling SMBus multiplexing for Tyan S4882\n"); - mutex_init(&amd756_lock); - /* Define the 5 virtual adapters and algorithms structures */ if (!(s4882_adapter = kzalloc(5 * sizeof(struct i2c_adapter), GFP_KERNEL))) { -- Jean Delvare