On Mon, Jan 18, 2021 at 02:43:45PM -0600, Jeff LaBundy wrote: > The device's hardware reset pin is only required if the platform > must be able to update the device's firmware on the fly. > > As such, demote the reset GPIO to optional in support of devices > that ship with pre-programmed firmware and don't route the reset > pin back to the SOC. > > If user space attempts to push updated firmware which would rely > upon the reset pin to wake the bootloader, attempts to reach the > bootloader are simply NAK'd and the device resumes normally. Can we maybe make the firmware attribute invisible in this case? Or return early instead of failing to enter bootloader mode? Thanks. -- Dmitry
