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| author | Matt Schulte <matts@commtech-fastcom.com> | 2012-11-21 09:40:49 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-11-21 16:30:03 -0800 |
| commit | 30fa96a34694d93bf76311944c9521bbcdd4e58e (patch) | |
| tree | fefa64ed64aa9d180a577bd269b6263b7d44ea41 | |
| parent | 81db0772dc16b31185418f51ce6a1c0098a84367 (diff) | |
| download | op-kernel-dev-30fa96a34694d93bf76311944c9521bbcdd4e58e.zip op-kernel-dev-30fa96a34694d93bf76311944c9521bbcdd4e58e.tar.gz | |
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: Matt Schulte <matts@commtech-fastcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/tty/serial/8250/8250.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/tty/serial/8250/8250.c b/drivers/tty/serial/8250/8250.c index 4ab8af7..d085e3a 100644 --- a/drivers/tty/serial/8250/8250.c +++ b/drivers/tty/serial/8250/8250.c @@ -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; } |
