Hi Ravikumar Some sanity comments, just good to have. > +#ifdef CONFIG_I2C_SLAVE > +static int omap_i2c_slave_irq(struct omap_i2c_dev *omap) > +{ > + u16 stat_raw; > + u16 stat; > + u16 bits; > + u8 value; > + > + stat_raw = omap_i2c_read_reg(omap, OMAP_I2C_IP_V2_IRQSTATUS_RAW); > + bits = omap_i2c_read_reg(omap, OMAP_I2C_IE_REG); > + stat_raw &= bits; > + > + if (stat_raw & OMAP_I2C_STAT_AAS) { > + omap_i2c_ack_stat(omap, OMAP_I2C_STAT_AAS); > + stat_raw &= ~OMAP_I2C_STAT_AAS; > + } > + > +out: > + return 0; > +} > +#endif This function always return 0. > +#ifdef CONFIG_I2C_SLAVE > +static int omap_i2c_reg_slave(struct i2c_client *slave) > +{ > + struct omap_i2c_dev *omap = i2c_get_adapdata(slave->adapter); > + u16 reg; > + int ret = 0; > + /* Enable necessary interrupts */ > + omap_i2c_write_reg(omap, OMAP_I2C_IE_REG, omap->iestate); > + > + return 0; > + > +} Better to return "ret" here as already been initialized to 0 > + > +static int omap_i2c_unreg_slave(struct i2c_client *slave) > +{ > + struct omap_i2c_dev *omap = i2c_get_adapdata(slave->adapter); > + u16 reg; > + > + pm_runtime_put(omap->dev); > + return 0; > +} > +#endif This function always return 0 Regards Manish Badarkhe -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html