Messages in this thread Patch in this message | | | Date | Tue, 10 Jul 2007 17:03:35 -0700 | From | Yinghai Lu <> | Subject | [PATCH] serial: do not add port that is not initialized |
| |
[PATCH] serial: do not add port that is not initialized
if the port is not initialized with correct iobase, and membase, we don't need to add that port. for x86, when pnpacpi is enabled, we will not get extra ttyS1/ttyS2/ttyS3 in /sys/devices/platform/serial8250/tty
Sign-off-by: Yinghai Lu <yinghai.lu@sun.com>
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index c84dab0..6399014 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -2425,9 +2425,12 @@ serial8250_register_ports(struct uart_driver *drv, struct device *dev) for (i = 0; i < nr_uarts; i++) { struct uart_8250_port *up = &serial8250_ports[i]; + if (!up->port.iobase && !up->port.membase) + continue; up->port.dev = dev; uart_add_one_port(drv, &up->port); } + } #ifdef CONFIG_SERIAL_8250_CONSOLE - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |