.cons = SPRD_CONSOLE,
};
-static int sprd_probe_dt_alias(int index, struct device *dev)
-{
- struct device_node *np;
- int ret = index;
-
- if (!IS_ENABLED(CONFIG_OF))
- return ret;
-
- np = dev->of_node;
- if (!np)
- return ret;
-
- ret = of_alias_get_id(np, "serial");
- if (ret < 0)
- ret = index;
- else if (ret >= ARRAY_SIZE(sprd_port) || sprd_port[ret] != NULL) {
- dev_warn(dev, "requested serial port %d not available.\n", ret);
- ret = index;
- }
-
- return ret;
-}
-
static int sprd_remove(struct platform_device *dev)
{
struct sprd_uart_port *sup = platform_get_drvdata(dev);
int index;
int ret;
- for (index = 0; index < ARRAY_SIZE(sprd_port); index++)
- if (sprd_port[index] == NULL)
- break;
-
- if (index == ARRAY_SIZE(sprd_port))
- return -EBUSY;
-
- index = sprd_probe_dt_alias(index, &pdev->dev);
+ index = of_alias_get_id(pdev->dev.of_node, "serial");
+ if (index < 0 || index >= ARRAY_SIZE(sprd_port)) {
+ dev_err(&pdev->dev, "got a wrong serial alias id %d\n", index);
+ return -EINVAL;
+ }
sprd_port[index] = devm_kzalloc(&pdev->dev, sizeof(*sprd_port[index]),
GFP_KERNEL);