Hi, On 02.05.23 02:24, Dmitry Torokhov wrote: > On Mon, May 01, 2023 at 01:30:07PM +0200, Maximilian Weigand wrote: >> Triggering the interrupt of the IRQ_TYPE_LEVEL_LOW type can lead to >> probing issues with the device for the current driver (encountered on >> the Pine64 PineNote). Basically the interrupt would be triggered before >> certain commands were sent to the device, leading to a race between the >> device responding fast enough and the irq handler fetching a data frame >> from it. Actually all devices currently using the driver already use a >> falling edge trigger. > > I'd prefer we adjusted the driver to handle level interrupts properly. Ok, I will have a look at that. Just to be clear: The driver should work only with level interrupts, or should it optimally support both level and falling edge triggers? Thanks and best regards Maximilian