PNP: add debug message for adding new device

Add PNP debug message when adding a device, remove similar PNPACPI message
with less information.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Adam Belay <ambx1@neo.rr.com>
Cc: Len Brown <lenb@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 24 insertions, 4 deletions

diff --git a/drivers/pnp/core.c b/drivers/pnp/core.c
index d5964feb14de..7d366ca672d3 100644
--- a/drivers/pnp/core.c
+++ b/drivers/pnp/core.c
@@ -125,9 +125,11 @@ int __pnp_add_device(struct pnp_dev *dev)
         spin_unlock(&pnp_lock);
 
         ret = device_register(&dev->dev);
-        if (ret == 0)
-                pnp_interface_attach_device(dev);
-        return ret;
+        if (ret)
+                return ret;
+
+        pnp_interface_attach_device(dev);
+        return 0;
 }
 
 /*
@@ -138,12 +140,30 @@ int __pnp_add_device(struct pnp_dev *dev)
  */
 int pnp_add_device(struct pnp_dev *dev)
 {
+        int ret;
+
         if (dev->card)
                 return -EINVAL;
+
         dev->dev.parent = &dev->protocol->dev;
         sprintf(dev->dev.bus_id, "%02x:%02x", dev->protocol->number,
                 dev->number);
-        return __pnp_add_device(dev);
+        ret = __pnp_add_device(dev);
+        if (ret)
+                return ret;
+
+#ifdef CONFIG_PNP_DEBUG
+        {
+                struct pnp_id *id;
+
+                dev_printk(KERN_DEBUG, &dev->dev, "%s device, IDs",
+                        dev->protocol->name);
+                for (id = dev->id; id; id = id->next)
+                        printk(" %s", id->id);
+                printk(" (%s)\n", dev->active ? "active" : "disabled");
+        }
+#endif
+        return 0;
 }
 
 void __pnp_remove_device(struct pnp_dev *dev)