OMAP_I2C_MAX_CONTROLLERS
BUG_ON(bus_id < 1 || bus_id > OMAP_I2C_MAX_CONTROLLERS);
static struct omap_i2c_bus_platform_data i2c_pdata[OMAP_I2C_MAX_CONTROLLERS];
ints[1] > OMAP_I2C_MAX_CONTROLLERS)