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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2021-06-08 16:42:38 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-06-09 14:42:14 +0200 |
| commit | 7d356a438b2466a3a9ca1b916aaf198d05f2b3e4 (patch) | |
| tree | 34118ba880ef7fd0a80bd6b25067d57090a51081 /drivers/tty/serial | |
| parent | serial: sh-sci: Remove unused STEPFN() macro (diff) | |
| download | linux-7d356a438b2466a3a9ca1b916aaf198d05f2b3e4.tar.xz linux-7d356a438b2466a3a9ca1b916aaf198d05f2b3e4.zip | |
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: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210608144239.12697-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial')
| -rw-r--r-- | drivers/tty/serial/8250/8250_exar.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c index 2f49c580139b..9b197dacaefb 100644 --- a/drivers/tty/serial/8250/8250_exar.c +++ b/drivers/tty/serial/8250/8250_exar.c @@ -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; |