Commit 7d356a43 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Greg Kroah-Hartman
Browse files

serial: 8250_exar: Extract exar_get_platform() helper 



We would like to use DMI matching in other functions as well.
Hence, extract it as exar_get_platform() helper function.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210608144239.12697-2-andriy.shevchenko@linux.intel.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e901000a

drivers/tty/serial/8250/8250_exar.c

+12 −8
Original line number Diff line number Diff line
@@ -501,23 +501,27 @@ static const struct dmi_system_id exar_platforms[] = { 
	{}

};



static const struct exar8250_platform *exar_get_platform(void)

{

	const struct dmi_system_id *dmi_match;



	dmi_match = dmi_first_match(exar_platforms);

	if (dmi_match)

		return dmi_match->driver_data;



	return &exar8250_default_platform;

}



static int

pci_xr17v35x_setup(struct exar8250 *priv, struct pci_dev *pcidev,

		   struct uart_8250_port *port, int idx)

{

	const struct exar8250_platform *platform;

	const struct dmi_system_id *dmi_match;

	const struct exar8250_platform *platform = exar_get_platform();

	unsigned int offset = idx * 0x400;

	unsigned int baud = 7812500;

	u8 __iomem *p;

	int ret;



	dmi_match = dmi_first_match(exar_platforms);

	if (dmi_match)

		platform = dmi_match->driver_data;

	else

		platform = &exar8250_default_platform;



	port->port.uartclk = baud * 16;

	port->port.rs485_config = platform->rs485_config;