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path: root/drivers/of/device.c
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Diffstat (limited to 'drivers/of/device.c')
-rw-r--r--drivers/of/device.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/of/device.c b/drivers/of/device.c
index 4c74e4fc5a51..f685e55e0717 100644
--- a/drivers/of/device.c
+++ b/drivers/of/device.c
@@ -8,6 +8,7 @@
#include <linux/slab.h>
#include <asm/errno.h>
+#include "of_private.h"
/**
* of_match_device - Tell if a struct device matches an of_device_id list
@@ -131,6 +132,7 @@ ssize_t of_device_get_modalias(struct device *dev, char *str, ssize_t len)
void of_device_uevent(struct device *dev, struct kobj_uevent_env *env)
{
const char *compat;
+ struct alias_prop *app;
int seen = 0, cplen, sl;
if ((!dev) || (!dev->of_node))
@@ -153,6 +155,17 @@ void of_device_uevent(struct device *dev, struct kobj_uevent_env *env)
seen++;
}
add_uevent_var(env, "OF_COMPATIBLE_N=%d", seen);
+
+ seen = 0;
+ mutex_lock(&of_aliases_mutex);
+ list_for_each_entry(app, &aliases_lookup, link) {
+ if (dev->of_node == app->np) {
+ add_uevent_var(env, "OF_ALIAS_%d=%s", seen,
+ app->alias);
+ seen++;
+ }
+ }
+ mutex_unlock(&of_aliases_mutex);
}
int of_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env)