uwb: add symlinks in sysfs between radio controllers and PALs

Add a facility for PALs to have symlinks to their radio controller
(and vice-versa) and make WUSB host controllers use this.

Signed-off-by: David Vrabel <david.vrabel@csr.com>

2 files changed, 12 insertions, 7 deletions

diff --git a/drivers/usb/wusbcore/pal.c b/drivers/usb/wusbcore/pal.c
index cc126b444734..7cc51e9905cf 100644
--- a/drivers/usb/wusbcore/pal.c
+++ b/drivers/usb/wusbcore/pal.c
@@ -26,6 +26,9 @@ int wusbhc_pal_register(struct wusbhc *wusbhc)
 {
         uwb_pal_init(&wusbhc->pal);
 
+        wusbhc->pal.name   = "wusbhc";
+        wusbhc->pal.device = wusbhc->usb_hcd.self.controller;
+
         return uwb_pal_register(wusbhc->uwb_rc, &wusbhc->pal);
 }
 
diff --git a/drivers/usb/wusbcore/wusbhc.c b/drivers/usb/wusbcore/wusbhc.c
index 1149b1e59c86..07c63a31c799 100644
--- a/drivers/usb/wusbcore/wusbhc.c
+++ b/drivers/usb/wusbcore/wusbhc.c
@@ -192,13 +192,8 @@ int wusbhc_create(struct wusbhc *wusbhc)
         result = wusbhc_sec_create(wusbhc);
         if (result < 0)
                 goto error_sec_create;
-        result = wusbhc_pal_register(wusbhc);
-        if (result < 0)
-                goto error_pal_register;
         return 0;
 
-error_pal_register:
-        wusbhc_sec_destroy(wusbhc);
 error_sec_create:
         wusbhc_rh_destroy(wusbhc);
 error_rh_create:
@@ -235,7 +230,14 @@ int wusbhc_b_create(struct wusbhc *wusbhc)
                 dev_err(dev, "Cannot register WUSBHC attributes: %d\n", result);
                 goto error_create_attr_group;
         }
-        /* Yep, I plan to add stuff here... */
+
+        result = wusbhc_pal_register(wusbhc);
+        if (result < 0)
+                goto error_pal_register;
+        return 0;
+
+error_pal_register:
+        sysfs_remove_group(wusbhc_kobj(wusbhc), &wusbhc_attr_group);
 error_create_attr_group:
         return result;
 }
@@ -243,13 +245,13 @@ EXPORT_SYMBOL_GPL(wusbhc_b_create);
 
 void wusbhc_b_destroy(struct wusbhc *wusbhc)
 {
+        wusbhc_pal_unregister(wusbhc);
         sysfs_remove_group(wusbhc_kobj(wusbhc), &wusbhc_attr_group);
 }
 EXPORT_SYMBOL_GPL(wusbhc_b_destroy);
 
 void wusbhc_destroy(struct wusbhc *wusbhc)
 {
-        wusbhc_pal_unregister(wusbhc);
         wusbhc_sec_destroy(wusbhc);
         wusbhc_rh_destroy(wusbhc);
         wusbhc_devconnect_destroy(wusbhc);