On Tue, 18 Aug 2009, Matthias Kaehlcke wrote:
... snip ...
> some time ago i had a similar (the same?) problem, trying to debug
> an ARM device using kgdb. in my case the problem was that the serial
> port driver (AMBA PL010) lacked the poll_get_char() and
> poll_put_char() operations, which seem to be necessary for debugging
> over console.
>
> if you happen to use a device with AMBA PL010 try again after
> applying the patch below. otherwise you might want to check if the
> driver of your serial port implements the poll functions
>
> diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c
> index 58a4879..4b27537 100644
> --- a/drivers/serial/amba-pl010.c
> +++ b/drivers/serial/amba-pl010.c
> @@ -308,6 +308,32 @@ static void pl010_break_ctl(struct uart_port *port, int
> break_state)
> spin_unlock_irqrestore(&uap->port.lock, flags);
perhaps a dumb question, but where is that source file? it's not in
the current linux git tree.
rday
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Robert P. J. Day Waterloo, Ontario, CANADA
Linux Consulting, Training and Annoying Kernel Pedantry.
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