On Fri, Aug 26, 2011 at 06:04:02PM +0200, Arnd Bergmann wrote:
> On Friday 26 August 2011, Jamie Iles wrote:
> > The Synopsys DesignWare 8250 is an 8250 that has an extra interrupt that
> > gets raised when writing to the LCR when busy. To handle this we need
> > special serial_out, serial_in and handle_irq methods. Add a new
> > platform driver that uses these accessors.
> >
> > Cc: Alan Cox <alan@xxxxxxxxxxxxxxx>
> > Cc: Greg Kroah-Hartman <gregkh@xxxxxxx>
> > Cc: Arnd Bergmann <arnd@xxxxxxxx>
> > Signed-off-by: Jamie Iles <jamie@xxxxxxxxxxxxx>
>
> The driver looks good to me,
>
> Acked-by: Arnd Bergmann <arnd@xxxxxxxx>
>
> Is the patch to export serial8250_handle_irq already in Greg's tree or is that
> still missing?
No, and I really don't know how I missed it. I was sure an allmodconfig
build worked, but perhaps 8250_dw wasn't selected. Anyhow, here's the
patch that does that.
Apologies again for making such a mess out of this series!
Thanks,
Jamie
8<---
From: Jamie Iles <jamie@xxxxxxxxxxxxx>
Subject: [PATCH] tty: 8250: export serial8250_handle_irq
Allow modules to use the normal 8250 irq handler inside their own.
Signed-off-by: Jamie Iles <jamie@xxxxxxxxxxxxx>
---
drivers/tty/serial/8250.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/drivers/tty/serial/8250.c b/drivers/tty/serial/8250.c
index 6f594d2..435ce14 100644
--- a/drivers/tty/serial/8250.c
+++ b/drivers/tty/serial/8250.c
@@ -1588,6 +1588,7 @@ int serial8250_handle_irq(struct uart_port *port, unsigned int iir)
return 0;
}
+EXPORT_SYMBOL_GPL(serial8250_handle_irq);
static int serial8250_default_handle_irq(struct uart_port *port)
{
--
1.7.4.1
--
To unsubscribe from this list: send the line "unsubscribe linux-serial" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
