On Fri, Aug 23, 2019 at 4:09 PM Qii Wang <qii.wang@xxxxxxxxxxxx> wrote:
> >
> > static u32 mtk_i2c_functionality(struct i2c_adapter *adap)
> > {
> > - return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
> > + if (adap->quirks->flags & I2C_AQ_NO_ZERO_LEN)
> > + return I2C_FUNC_I2C |
> > + (I2C_FUNC_SMBUS_EMUL & ~I2C_FUNC_SMBUS_QUICK);
> > + else
> > + return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
>
> It can be removed?
See previous discussion: https://patchwork.kernel.org/patch/10814391/#22484435
but not all SoC's quirks has I2C_AQ_NO_ZERO_LEN.
