Greg, On 2017-05-13 09:28, Jan Kiszka wrote: > This is the safe default for GPIOs with unknown external wiring. > > Signed-off-by: Jan Kiszka <[email protected]> > --- > drivers/tty/serial/8250/8250_exar.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/tty/serial/8250/8250_exar.c > b/drivers/tty/serial/8250/8250_exar.c > index 1270ff163f63..b4fa585156c7 100644 > --- a/drivers/tty/serial/8250/8250_exar.c > +++ b/drivers/tty/serial/8250/8250_exar.c > @@ -177,13 +177,13 @@ static void setup_gpio(u8 __iomem *p) > writeb(0x00, p + UART_EXAR_MPIOLVL_7_0); > writeb(0x00, p + UART_EXAR_MPIO3T_7_0); > writeb(0x00, p + UART_EXAR_MPIOINV_7_0); > - writeb(0x00, p + UART_EXAR_MPIOSEL_7_0); > + writeb(0xff, p + UART_EXAR_MPIOSEL_7_0); > writeb(0x00, p + UART_EXAR_MPIOOD_7_0); > writeb(0x00, p + UART_EXAR_MPIOINT_15_8); > writeb(0x00, p + UART_EXAR_MPIOLVL_15_8); > writeb(0x00, p + UART_EXAR_MPIO3T_15_8); > writeb(0x00, p + UART_EXAR_MPIOINV_15_8); > - writeb(0x00, p + UART_EXAR_MPIOSEL_15_8); > + writeb(0xff, p + UART_EXAR_MPIOSEL_15_8); > writeb(0x00, p + UART_EXAR_MPIOOD_15_8); > } > >
Please drop from this tty-next, it may break Commtech adapters. I have an update ready. I may also send a fix on top if that is preferred, just let me know. Thanks, Jan -- Siemens AG, Corporate Technology, CT RDA ITP SES-DE Corporate Competence Center Embedded Linux
