On Mon, Jan 18, 2021 at 02:43:39PM -0600, Jeff LaBundy wrote: > The bootloader NAK's all I2C communication after the first 64-byte > bulk write if the bus frequency is equal to 400 kHz. This prevents > the platform from pushing updated firmware to the device. > > The vendor's USB bootloader programming dongle appears to insert a > delay between the "open" command and the first 64-byte bulk write. > Adding a similar delay to the driver seems to eliminate the issue. > > Furthermore, the dongle does not access the bootloader immediately > after powering up the device. Follow suit by adding a delay before > the "open" command to avoid wasted retries at 400 kHz. > > Signed-off-by: Jeff LaBundy <jeff@xxxxxxxxxxx> Applied, thank you. -- Dmitry
