serial: 8250_platform: Use same check for ACPI in the whole driver

Use has_acpi_companion() as 8250_core does to unify this across
the driver modules.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240812154901.1068407-4-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/8250/8250_platform.c b/drivers/tty/serial/8250/8250_platform.c
index 5f0ea39c4af2c98ec88e8c55cb7fdf53f9dd780b..ec9b96fdcc41fac39724dac9c3ac540bb380a2f5 100644 (file)
--- a/drivers/tty/serial/8250/8250_platform.c
+++ b/drivers/tty/serial/8250/8250_platform.c
@@ -165,14 +165,13 @@ static int serial8250_probe(struct platform_device *dev)
        struct plat_serial8250_port *p = dev_get_platdata(&dev->dev);
        struct uart_8250_port uart;
        int ret, i, irqflag = 0;
-       struct fwnode_handle *fwnode = dev_fwnode(&dev->dev);
 
        /*
         * Probe platform UART devices defined using standard hardware
         * discovery mechanism like ACPI or DT. Support only ACPI based
         * serial device for now.
         */
-       if (!p && is_acpi_node(fwnode))
+       if (!p && has_acpi_companion(&dev->dev))
                return serial8250_platform_probe(dev);
 
        memset(&uart, 0, sizeof(uart));