[PATCH 3/4] powerpc: Add uevent handler for of_platform_bus

[Sylvain Munaut <tnt@246tNt.com>]

Adding this handler allow userspace to properly handle the module
autoloading. The generation of the uevent itself is now common to
all bus using of_device, so not much code here.

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
---
 arch/powerpc/kernel/of_platform.c |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c
index 3002ea3..ce40dd5 100644
--- a/arch/powerpc/kernel/of_platform.c
+++ b/arch/powerpc/kernel/of_platform.c
@@ -73,6 +73,18 @@ static int of_platform_bus_match(struct 
 	return of_match_device(matches, of_dev) != NULL;
 }
 
+static int of_platform_device_uevent(struct device *dev,
+		char **envp, int num_envp, char *buffer, int buffer_size)
+{
+	struct of_device *of;
+
+	if (!dev)
+		return -ENODEV;
+
+	of = to_of_device(dev);
+	return of_device_uevent(of, envp, num_envp, buffer, buffer_size);
+}
+
 static int of_platform_device_probe(struct device *dev)
 {
 	int error = -ENODEV;
@@ -132,6 +144,7 @@ static int of_platform_device_resume(str
 struct bus_type of_platform_bus_type = {
        .name	= "of_platform",
        .match	= of_platform_bus_match,
+       .uevent	= of_platform_device_uevent,
        .probe	= of_platform_device_probe,
        .remove	= of_platform_device_remove,
        .suspend	= of_platform_device_suspend,
-- 
1.4.2