Re: [PATCH v2 7/9] serdev: Introduce new bus for serial attached devices

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Hello,

Le 16/01/2017 à 23:54, Rob Herring a écrit :
---
v2:
- Add modalias sysfs attr and uevent hook
...
+static int serdev_uevent(struct device *dev, struct kobj_uevent_env *env)
+{
+	/* TODO: ACPI and platform modalias */
+	return of_device_uevent_modalias(dev, env);
+}
...
+static ssize_t modalias_show(struct device *dev,
+			     struct device_attribute *attr, char *buf)
+{
+	ssize_t len = of_device_get_modalias(dev, buf, PAGE_SIZE - 2);
+	buf[len] = '\n';
+	buf[len+1] = 0;
+	return len+1;
+}

This prevents from building serdev as a module with following errors:
ERROR: "of_device_uevent_modalias" [drivers/tty/serdev/serdev.ko] undefined!
  ERROR: "of_device_get_modalias" [drivers/tty/serdev/serdev.ko] undefined!

Currently, those symbols are not exported in drivers/of/device.c

Frédéric Danis
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