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serial: 8250_of: Use of_device_get_match_data()

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Use of_device_get_match_data() to simplify the code a bit.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: John Garry <john.garry@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2019-04-30 21:45:59 +03:00 committed by Greg Kroah-Hartman
parent a188339ca5
commit 525667c025
1 changed files with 3 additions and 6 deletions
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9
drivers/tty/serial/8250/8250_of.c
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@ -205,18 +205,16 @@ static int of_platform_serial_setup(struct platform_device *ofdev,
/*
* Try to register a serial port
*/
static const struct of_device_id of_platform_serial_table[];
static int of_platform_serial_probe(struct platform_device *ofdev)
{
const struct of_device_id *match;
struct of_serial_info *info;
struct uart_8250_port port8250;
unsigned int port_type;
u32 tx_threshold;
int port_type;
int ret;
match = of_match_device(of_platform_serial_table, &ofdev->dev);
if (!match)
port_type = (unsigned long)of_device_get_match_data(&ofdev->dev);
if (port_type == PORT_UNKNOWN)
return -EINVAL;
if (of_property_read_bool(ofdev->dev.of_node, "used-by-rtas"))
@ -226,7 +224,6 @@ static int of_platform_serial_probe(struct platform_device *ofdev)
if (info == NULL)
return -ENOMEM;
port_type = (unsigned long)match->data;
memset(&port8250, 0, sizeof(port8250));
ret = of_platform_serial_setup(ofdev, port_type, &port8250.port, info);
if (ret)