serial: lantiq: Get serial id from dts (b871424f) · Commits · 戴 / test

drivers/tty/serial/lantiq.c

+15 −4

Original line number	Diff line number	Diff line
		@@ -688,7 +688,7 @@ lqasc_probe(struct platform_device *pdev)
		struct ltq_uart_port *ltq_port;
		struct uart_port *port;
		struct resource *mmres, irqres[3];
		int line = 0;
		int line;
		int ret;

		mmres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
		@@ -699,9 +699,20 @@ lqasc_probe(struct platform_device *pdev)
		return -ENODEV;
		}

		/* check if this is the console port */
		if (mmres->start != CPHYSADDR(LTQ_EARLY_ASC))
		/* get serial id */
		line = of_alias_get_id(node, "serial");
		if (line < 0) {
		if (IS_ENABLED(CONFIG_LANTIQ)) {
		if (mmres->start == CPHYSADDR(LTQ_EARLY_ASC))
		line = 0;
		else
		line = 1;
		} else {
		dev_err(&pdev->dev, "failed to get alias id, errno %d\n",
		line);
		return line;
		}
		}

		if (lqasc_port[line]) {
		dev_err(&pdev->dev, "port %d already allocated\n", line);