wusb: add debug files for ASL, PZL and DI to the whci-hcd driver

Add asl, pzl and di debugfs files to uwb/uwbN/wusbhc for WHCI host
controller.  These dump the current ASL, PZL and DI buffer.

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

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/uwb/pal.c b/drivers/uwb/pal.c
index 605765124f5b..99a19c199095 100644
--- a/drivers/uwb/pal.c
+++ b/drivers/uwb/pal.c
@@ -16,6 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 #include <linux/kernel.h>
+#include <linux/debugfs.h>
 #include <linux/uwb.h>
 
 #include "uwb-internal.h"
@@ -54,6 +55,8 @@ int uwb_pal_register(struct uwb_pal *pal)
                 }
         }
 
+        pal->debugfs_dir = uwb_dbg_create_pal_dir(pal);
+
         mutex_lock(&rc->uwb_dev.mutex);
         list_add(&pal->node, &rc->pals);
         mutex_unlock(&rc->uwb_dev.mutex);
@@ -76,6 +79,8 @@ void uwb_pal_unregister(struct uwb_pal *pal)
         list_del(&pal->node);
         mutex_unlock(&rc->uwb_dev.mutex);
 
+        debugfs_remove(pal->debugfs_dir);
+
         if (pal->device) {
                 sysfs_remove_link(&rc->uwb_dev.dev.kobj, pal->name);
                 sysfs_remove_link(&pal->device->kobj, "uwb_rc");