USB: convert ohci debug files to use debugfs instead of sysfs

We should not have multiple line files in sysfs, this moves the data to
debugfs instead, like the UHCI driver.

Signed-off-by: Tony Jones <tonyj@suse.de>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 18 insertions, 0 deletions

diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index ddd4ee1f2413..baca09af6076 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -36,6 +36,7 @@
 #include <linux/dmapool.h>
 #include <linux/reboot.h>
 #include <linux/workqueue.h>
+#include <linux/debugfs.h>
 
 #include <asm/io.h>
 #include <asm/irq.h>
@@ -1068,6 +1069,14 @@ static int __init ohci_hcd_mod_init(void)
         pr_debug ("%s: block sizes: ed %Zd td %Zd\n", hcd_name,
                 sizeof (struct ed), sizeof (struct td));
 
+#ifdef DEBUG
+        ohci_debug_root = debugfs_create_dir("ohci", NULL);
+        if (!ohci_debug_root) {
+                retval = -ENOENT;
+                goto error_debug;
+        }
+#endif
+
 #ifdef PS3_SYSTEM_BUS_DRIVER
         retval = ps3_ohci_driver_register(&PS3_SYSTEM_BUS_DRIVER);
         if (retval < 0)
@@ -1130,6 +1139,12 @@ static int __init ohci_hcd_mod_init(void)
         ps3_ohci_driver_unregister(&PS3_SYSTEM_BUS_DRIVER);
  error_ps3:
 #endif
+#ifdef DEBUG
+        debugfs_remove(ohci_debug_root);
+        ohci_debug_root = NULL;
+ error_debug:
+#endif
+
         return retval;
 }
 module_init(ohci_hcd_mod_init);
@@ -1154,6 +1169,9 @@ static void __exit ohci_hcd_mod_exit(void)
 #ifdef PS3_SYSTEM_BUS_DRIVER
         ps3_ohci_driver_unregister(&PS3_SYSTEM_BUS_DRIVER);
 #endif
+#ifdef DEBUG
+        debugfs_remove(ohci_debug_root);
+#endif
 }
 module_exit(ohci_hcd_mod_exit);