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authorHeikki Krogerus <heikki.krogerus@linux.intel.com>2015-03-18 12:55:12 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-03-26 23:04:42 +0100
commit9001c07995fdd1f3657408c71bca7d6c5fb87fd3 (patch)
tree6e56966eaf940add6251ccf1dd795a18c9c6112c
parentad53b26cd140fbea92d79a449c8ddb8d1a6f5f26 (diff)
downloadop-kernel-dev-9001c07995fdd1f3657408c71bca7d6c5fb87fd3.zip
op-kernel-dev-9001c07995fdd1f3657408c71bca7d6c5fb87fd3.tar.gz
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>
-rw-r--r--drivers/tty/serial/8250/8250_dw.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index d641886..cc943fe 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -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))
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