Commit 9001c079 authored Mar 18, 2015 by Heikki Krogerus Committed by Greg Kroah-Hartman Mar 26, 2015

serial: 8250_dw: remove useless ACPI ID check



Having ACPI handle does not mean the same as having ACPI
identifier. The check is in any case useless, but having it
prevents this driver from being used for example with
multifunctional PCI devices, such as the newer Intel LPSS
devices.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent ad53b26c

drivers/tty/serial/8250/8250_dw.c

+0 −5

Original line number	Diff line number	Diff line
		@@ -391,15 +391,10 @@ static int dw8250_probe_of(struct uart_port *p,
		static int dw8250_probe_acpi(struct uart_8250_port *up,
		struct dw8250_data *data)
		{
		const struct acpi_device_id *id;
		struct uart_port *p = &up->port;

		dw8250_setup_port(up);

		id = acpi_match_device(p->dev->driver->acpi_match_table, p->dev);
		if (!id)
		return -ENODEV;

		if (!p->uartclk)
		if (device_property_read_u32(p->dev, "clock-frequency",
		&p->uartclk))