Re: [PATCH v5 4/6] i2c: npcm: Modify the client address assignment

[Tyrone Ting]

Hi Andy:

Thank you for your comments and they'll be addressed.

Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> 於 2024年10月1日 週二 下午9:17寫道：
>
> On Tue, Oct 01, 2024 at 02:28:53PM +0800, Tyrone Ting wrote:
> > From: Tyrone Ting <kfting@xxxxxxxxxxx>
> >
> > Store the client address earlier since it might get called in
> > the i2c_recover_bus() logic flow at the early stage of
> > npcm_i2c_master_xfer().
>
> ...
>
> > +     /*
> > +      * Previously, the address was stored w/o left-shift by one bit and
> > +      * with that shift in the following call to npcm_i2c_master_start_xmit().
> > +      *
> > +      * Since there are cases that the i2c_recover_bus() gets called at the
> > +      * early stage of npcm_i2c_master_xfer(), the address is stored with
> > +      * the shift and used in the i2c_recover_bus().
> > +      *
> > +      * The address is stored from bit 1 to bit 7 in the register for
> > +      * sending the i2c address later so it's left-shifted by 1 bit.
> > +      */
> > +     bus->dest_addr = slave_addr << 1;
>
> I'm wondering if it's better to use i2c_8bit_addr_from_msg() here?
>
> --
> With Best Regards,
> Andy Shevchenko
>
>

Have a nice day.

Regards,
Tyrone