Driver core: change add_uevent_var to use a struct

[linux-2.6-omap-h63xx.git] / arch / powerpc / kernel / vio.c

diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index cb22a3557c4e88303535336d8859eb2f0da69a7c..19a5656001c080f8da3f3f5a9050c03a80fb1746 100644 (file)
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -317,30 +317,20 @@ static int vio_bus_match(struct device *dev, struct device_driver *drv)
        return (ids != NULL) && (vio_match_device(ids, vio_dev) != NULL);
 }
 
-static int vio_hotplug(struct device *dev, char **envp, int num_envp,
-                       char *buffer, int buffer_size)
+static int vio_hotplug(struct device *dev, struct kobj_uevent_env *env)
 {
        const struct vio_dev *vio_dev = to_vio_dev(dev);
        struct device_node *dn;
        const char *cp;
-       int length;
-
-       if (!num_envp)
-               return -ENOMEM;
 
        dn = dev->archdata.of_node;
        if (!dn)
                return -ENODEV;
-       cp = of_get_property(dn, "compatible", &length);
+       cp = of_get_property(dn, "compatible", NULL);
        if (!cp)
                return -ENODEV;
 
-       envp[0] = buffer;
-       length = scnprintf(buffer, buffer_size, "MODALIAS=vio:T%sS%s",
-                               vio_dev->type, cp);
-       if ((buffer_size - length) <= 0)
-               return -ENOMEM;
-       envp[1] = NULL;
+       add_uevent_var(env, "MODALIAS=vio:T%sS%s", vio_dev->type, cp);
        return 0;
 }