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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