2016-09-30 13:16 GMT+02:00 Alexandre Belloni <alexandre.bell...@free-electrons.com>: > On 30/09/2016 at 13:04:28 +0200, Richard Genoud wrote : >> Anyway, the problematics setups are all the setups with USMODE_HWHS >> enabled on platform without Fifos or PDC, >> i.e. all platforms but sama5d2 (Cyrille, correct me if I'm wrong). >> > > This is a wrong assumption, at91rm9200 to at91sam9g45 all have a pdc. > Please, don't break those platforms. > > The only affected platforms are sam9x5, sama5d3 and sama5d4. Have you tested them ?
And why are you saying that rm9200 and g45 will be broken with this patch ? If they have a pdc, they will fall in the case: (atmel_use_pdc_rx(port) || atmel_use_fifo(port)) and thus use: mode |= ATMEL_US_USMODE_HWHS; won't they ?