static int serial8250_em_probe(struct platform_device *pdev)
{
- struct resource *regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- struct resource *irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
struct serial8250_em_priv *priv;
struct uart_8250_port up;
- int ret;
+ struct resource *regs;
+ int irq, ret;
- if (!regs || !irq) {
- dev_err(&pdev->dev, "missing registers or irq\n");
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0)
+ return irq;
+
+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!regs) {
+ dev_err(&pdev->dev, "missing registers\n");
return -EINVAL;
}
memset(&up, 0, sizeof(up));
up.port.mapbase = regs->start;
- up.port.irq = irq->start;
+ up.port.irq = irq;
up.port.type = PORT_UNKNOWN;
up.port.flags = UPF_BOOT_AUTOCONF | UPF_FIXED_PORT | UPF_IOREMAP;
up.port.dev = &pdev->dev;