From: Jean Delvare Date: Fri, 21 May 2010 16:40:56 +0000 (+0200) Subject: i2c-stub: Expose the default functionality flags X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=c5aa69285c573e42042530be86b7af6f5fe9e240;p=openwrt%2Fstaging%2Fblogic.git i2c-stub: Expose the default functionality flags It is easier to adjust the flags when you know their default value. Signed-off-by: Jean Delvare Cc: Mark M. Hoffman --- diff --git a/drivers/i2c/busses/i2c-stub.c b/drivers/i2c/busses/i2c-stub.c index 0c770eabe85e..b1b3447942c9 100644 --- a/drivers/i2c/busses/i2c-stub.c +++ b/drivers/i2c/busses/i2c-stub.c @@ -29,13 +29,16 @@ #include #define MAX_CHIPS 10 +#define STUB_FUNC (I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE | \ + I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA | \ + I2C_FUNC_SMBUS_I2C_BLOCK) static unsigned short chip_addr[MAX_CHIPS]; module_param_array(chip_addr, ushort, NULL, S_IRUGO); MODULE_PARM_DESC(chip_addr, "Chip addresses (up to 10, between 0x03 and 0x77)"); -static unsigned long functionality = ~0UL; +static unsigned long functionality = STUB_FUNC; module_param(functionality, ulong, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(functionality, "Override functionality bitfield"); @@ -156,9 +159,7 @@ static s32 stub_xfer(struct i2c_adapter * adap, u16 addr, unsigned short flags, static u32 stub_func(struct i2c_adapter *adapter) { - return (I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE | - I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA | - I2C_FUNC_SMBUS_I2C_BLOCK) & functionality; + return STUB_FUNC & functionality; } static const struct i2c_algorithm smbus_algorithm = {