Hi Richard, On Thu, Aug 09, 2018 at 10:47:17AM +0200, Richard Genoud wrote: > Hi ! > > On 07/08/2018 15:00, Ludovic Desroches wrote: > > From: Nicolas Ferre <nicolas.ferre@xxxxxxxxxxxxx> > > > > When mode is set in atmel_config_iso7816() we backup last RS232 mode > > for coming back to this mode if requested. > > Also allow setup of T=0 and T=1 parameter and basic support in set_termios > > function as well. > > > > Signed-off-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxxxxxx> > > [ludovic.desroches@xxxxxxxxxxxxx: rebase, add check on fidi ratio, checkpatch fixes] > > Signed-off-by: Ludovic Desroches <ludovic.desroches@xxxxxxxxxxxxx> > > --- > > drivers/tty/serial/atmel_serial.c | 211 +++++++++++++++++++++++++++++++++++--- > > drivers/tty/serial/atmel_serial.h | 6 +- > > 2 files changed, 201 insertions(+), 16 deletions(-) > > > > diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c > > index 8e4428725848..4a7ec44b0ace 100644 > > --- a/drivers/tty/serial/atmel_serial.c > > +++ b/drivers/tty/serial/atmel_serial.c [...] > > #if defined(CONFIG_OF) > > +static struct atmel_uart_pdata at91rm9200_pdata = { > > + .fidi_min = 1, > > + .fidi_max = 2047, > > +}; > > + > > +static struct atmel_uart_pdata at91sam9260_pdata = { > > + .fidi_min = 1, > > + .fidi_max = 2047, > > +}; > > + > > +static struct atmel_uart_pdata sama5d3_pdata = { > > + .fidi_min = 3, > > + .fidi_max = 65535, > Are you sure this is for sama5d3 ? > From the datasheets I have, 65535 is for sama5d4/sama5d2 I checked it and I missed it. What a pity... In fact, it's a bit more tricky since the min value for d3 is 3 and no longer 1. > And also, you'll have to s/atmel,at91sam9260-usart/atmel,sama5d2-usart/g > in sama5d{2,4}.dtsi > Yes, I planed to send it later but I can add those patches within this set of patches. > But I wonder if it could be detected via ATMEL_US_VERSION instead ? > I have not checked, I tend to prefer the compatible string for this kind of thing. But as we already use the version number, I can investigate this solution if it's the one you prefer. Regards Ludovic