The 2232H high speed baud rates also support fractional baud rate divisors, but when the performing the divisions before the multiplication, the fractional bits are lost. Signed-off-by: Daniel GlÃckner <dg@xxxxxxxxx> Acked-by: Mark Adamson <mark.adamson@xxxxxxxxxxxx> --- drivers/usb/serial/ftdi_sio.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index a2668d0..71a0f99 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -955,7 +955,7 @@ static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base) int divisor3; /* hi-speed baud rate is 10-bit sampling instead of 16-bit */ - divisor3 = (base / 10 / baud) * 8; + divisor3 = base * 8 / (baud * 10); divisor = divisor3 >> 3; divisor |= (__u32)divfrac[divisor3 & 0x7] << 14; -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html