Hi Michael, On Wed, 2022-10-05 at 17:34 +0300, Michael Zaidman wrote: > On Tue, Oct 04, 2022 at 08:15:56PM +0200, Enrik Berkhan wrote: > > As the ft260 can pack up to 60 bytes into one report, would it make > > sense to use a multiple-of-60 size (120 or 180)? Might reduce overhead > > by another tiny bit ... > > > > Cheers, > > Enrik > > > The size of the Read IO to perform is given to the driver by the upper > layer. So it's up to him how to align the IO request size. > > When we read from the EEPROM, we want to issue the read requests with > EEPROM page size granularity. The I2C EEPROMs page sizes are usually a > power of 2 aligned. Understood! I only thought about the HID report sizes. With EEPROMs etc. in mind, it makes perfect sense to prefer power of 2 sizes. Thanks for also providing the test results. Cheers, Enrik
