On Tue, 7 Aug 2012 21:47:37 +0200, Jiri Slaby <jsl...@suse.cz> wrote:
> For many cards, this saves some IO space because interrupt status port
> has precedence over the rest of ports on the card. Hence it can be
> mapped to a hole in I/O ports.
>
> Here we add a kernel parameter which allows that if a user wants to.
> But they need to explicitly enable it by a module parameter.
>
> Signed-off-by: Jiri Slaby <jsl...@suse.cz>
> ---
> drivers/tty/mxser.c | 35 +++++++++++++++++++++++++++++++----
> 1 file changed, 31 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c
> index c162ee9..e64fe40 100644
> --- a/drivers/tty/mxser.c
> +++ b/drivers/tty/mxser.c
> @@ -2337,11 +2337,36 @@ static struct tty_port_operations mxser_port_ops = {
> * The MOXA Smartio/Industio serial driver boot-time initialization code!
> */
>
> +static bool allow_overlapping_vector;
> +module_param(allow_overlapping_vector, bool, 444);
You mean 0444, right?
Cheers,
Rusty.
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