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Commit 30fa96a3 authored by Matt Schulte's avatar Matt Schulte Committed by Greg Kroah-Hartman
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tty/8250 Add XR17D15x devices to the exar_handle_irq override 



Add XR17D15x devices to the exar_handle_irq override: they have the
same extra interrupt register that could fire and never be serviced by
the standard handle_irq.

Signed-off-by: default avatarMatt Schulte <matts@commtech-fastcom.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 81db0772

drivers/tty/serial/8250/8250.c

+4 −2
Original line number Diff line number Diff line
@@ -1578,7 +1578,8 @@ static int exar_handle_irq(struct uart_port *port) 


	ret = serial8250_handle_irq(port, iir);



	if (port->type == PORT_XR17V35X) {

	if ((port->type == PORT_XR17V35X) ||

	   (port->type == PORT_XR17D15X)) {

		int0 = serial_port_in(port, 0x80);

		int1 = serial_port_in(port, 0x81);

		int2 = serial_port_in(port, 0x82);
@@ -2689,7 +2690,8 @@ static void serial8250_config_port(struct uart_port *port, int flags) 
		serial8250_release_std_resource(up);



	/* Fixme: probably not the best place for this */

	if (port->type == PORT_XR17V35X)

	if ((port->type == PORT_XR17V35X) ||

	   (port->type == PORT_XR17D15X))

		port->handle_irq = exar_handle_irq;

}