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