1 files changed, 23 insertions, 0 deletions

diff --git a/drivers/eisa/eisa-bus.c b/drivers/eisa/eisa-bus.c
index 6078e2f58817..3a365e159d89 100644
--- a/drivers/eisa/eisa-bus.c
+++ b/drivers/eisa/eisa-bus.c
@@ -128,9 +128,23 @@ static int eisa_bus_match (struct device *dev, struct device_driver *drv)
         return 0;
 }
 
+static int eisa_bus_uevent(struct device *dev, char **envp, int num_envp,
+                           char *buffer, int buffer_size)
+{
+        struct eisa_device *edev = to_eisa_device(dev);
+        int i = 0;
+        int length = 0;
+
+        add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length,
+                       "MODALIAS=" EISA_DEVICE_MODALIAS_FMT, edev->id.sig);
+        envp[i] = NULL;
+        return 0;
+}
+
 struct bus_type eisa_bus_type = {
         .name  = "eisa",
         .match = eisa_bus_match,
+        .uevent = eisa_bus_uevent,
 };
 
 int eisa_driver_register (struct eisa_driver *edrv)
@@ -160,6 +174,14 @@ static ssize_t eisa_show_state (struct device *dev, struct device_attribute *att
 
 static DEVICE_ATTR(enabled, S_IRUGO, eisa_show_state, NULL);
 
+static ssize_t eisa_show_modalias (struct device *dev, struct device_attribute *attr, char *buf)
+{
+        struct eisa_device *edev = to_eisa_device (dev);
+        return sprintf (buf, EISA_DEVICE_MODALIAS_FMT "\n", edev->id.sig);
+}
+
+static DEVICE_ATTR(modalias, S_IRUGO, eisa_show_modalias, NULL);
+
 static int __init eisa_init_device (struct eisa_root_device *root,
                                     struct eisa_device *edev,
                                     int slot)
@@ -209,6 +231,7 @@ static int __init eisa_register_device (struct eisa_device *edev)
 
         device_create_file (&edev->dev, &dev_attr_signature);
         device_create_file (&edev->dev, &dev_attr_enabled);
+        device_create_file (&edev->dev, &dev_attr_modalias);
 
         return 0;
 }