Hi Ludovic, On 19/07/2018 10:47, Ludovic Desroches wrote: > Hi, > > This patchset adds support for the ISO7816 standard. The USART devices in > Microchip SoCs have an ISO7816 mode. It allows to let the USART managing > the CLK and I/O signals of a smart card. Wow, I would have loved to have this at the time... I'm curious, do you have an example of userspace code using this ? The ATR rx needs a very weird handling, I'm curious how you managed it. Thanks, Neil > > Changes: > - v2 > - uart_get_iso7816_config: check there is an iso7816_config function > - use IOCTL macros to generate the IOCTL number > - check that reserved field is not used > - remove debug logs > - check that the iso7816_config is right before doing any action > - change the error from nack and max iteration status to a debug message > - remove patch 3 as it concerns both rs485 and iso7816 to think more > about the need of adding a lock or not > > Nicolas Ferre (2): > tty/serial_core: add ISO7816 infrastructure > tty/serial: atmel: add ISO7816 support > > arch/alpha/include/uapi/asm/ioctls.h | 2 + > arch/mips/include/uapi/asm/ioctls.h | 2 + > arch/powerpc/include/uapi/asm/ioctls.h | 2 + > arch/sh/include/uapi/asm/ioctls.h | 2 + > arch/sparc/include/uapi/asm/ioctls.h | 2 + > arch/xtensa/include/uapi/asm/ioctls.h | 2 + > drivers/tty/serial/atmel_serial.c | 170 +++++++++++++++++++++++++++++++-- > drivers/tty/serial/atmel_serial.h | 3 +- > drivers/tty/serial/serial_core.c | 60 ++++++++++++ > include/linux/serial_core.h | 3 + > include/uapi/asm-generic/ioctls.h | 2 + > include/uapi/linux/serial.h | 17 ++++ > 12 files changed, 256 insertions(+), 11 deletions(-) >