Hi guys, Pali has worked out some improvements for the ftdi_sio USB serial driver and I have reviewed and tested them. Changes since v1: - addressed issues pointed out by Greg: better commit messages, fixed checkpatch warning, dropped usage of (u32)-1 Pali Rohár (7): USB: serial: ftdi_sio: Fix divisor overflow USB: serial: ftdi_sio: Add missing baud rate validation USB: serial: ftdi_sio: Extract SIO divisor code to function USB: serial: ftdi_sio: Do not reset baud rate to 9600 Baud on error USB: serial: ftdi_sio: Fix baud rate rounding for ASYNC_SPD_CUST USB: serial: ftdi_sio: Fix custom_divisor and c_*speed for ASYNC_SPD_CUST USB: serial: ftdi_sio: Fill c_*speed fields with real baud rate drivers/usb/serial/ftdi_sio.c | 187 ++++++++++++++++++++++++++++------ 1 file changed, 156 insertions(+), 31 deletions(-) -- 2.35.1