On Tue, 2018-07-10 at 12:52 -0500, Eddie James wrote: > > On 07/09/2018 05:41 PM, Wolfram Sang wrote: > > > + cmd |= FIELD_PREP(I2C_CMD_ADDR, msg->addr >> 1); > > > > I just noticed this and wonder: Don't you need the LSB of the address? > > It is not the RW flag, this is encoded in msg->flags. > > So, the hardware interprets the LSB as the RW flag. It wouldn't be > possible to have a device addressed with the LSB set on this I2C master. What do you mean ? That doesn't sound right... > > > > > Also, no seperate handling for 10 bit addresses? Technically, 7-bit 0x50 > > is different on the wire from 10-bit 0x050. This is minor, though. There > > are no 10-bit devices out there. Still, did you test 10-bit support? > > Indeed, real 10-bit addresses require some additional manipulation of > this I2C master in order to work. We don't support it right now. > > Thanks, > Eddie > > > > > Rest looks good. > > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
