USB: sl811: move debug files from proc to debugfs

Drivers should not be putting debug files in /proc/ that is what debugfs
is for, so move the sl811 driver's debug file to debugfs.

Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2 files changed, 12 insertions, 28 deletions

diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c
index c11c5d8f94e0..d8938630e092 100644
--- a/drivers/usb/host/sl811-hcd.c
+++ b/drivers/usb/host/sl811-hcd.c
@@ -48,6 +48,8 @@
 #include <linux/usb/hcd.h>
 #include <linux/platform_device.h>
 #include <linux/prefetch.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
 
 #include <asm/io.h>
 #include <asm/irq.h>
@@ -63,11 +65,6 @@ MODULE_ALIAS("platform:sl811-hcd");
 
 #define DRIVER_VERSION  "19 May 2005"
 
-
-#ifndef DEBUG
-#       define  STUB_DEBUG_FILE
-#endif
-
 /* for now, use only one transfer register bank */
 #undef  USE_B
 
@@ -1373,16 +1370,6 @@ sl811h_bus_resume(struct usb_hcd *hcd)
 
 /*-------------------------------------------------------------------------*/
 
-#ifdef STUB_DEBUG_FILE
-
-static inline void create_debug_file(struct sl811 *sl811) { }
-static inline void remove_debug_file(struct sl811 *sl811) { }
-
-#else
-
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-
 static void dump_irq(struct seq_file *s, char *label, u8 mask)
 {
         seq_printf(s, "%s %02x%s%s%s%s%s%s\n", label, mask,
@@ -1394,7 +1381,7 @@ static void dump_irq(struct seq_file *s, char *label, u8 mask)
                 (mask & SL11H_INTMASK_DP) ? " dp" : "");
 }
 
-static int proc_sl811h_show(struct seq_file *s, void *unused)
+static int sl811h_show(struct seq_file *s, void *unused)
 {
         struct sl811            *sl811 = s->private;
         struct sl811h_ep        *ep;
@@ -1505,34 +1492,31 @@ static int proc_sl811h_show(struct seq_file *s, void *unused)
         return 0;
 }
 
-static int proc_sl811h_open(struct inode *inode, struct file *file)
+static int sl811h_open(struct inode *inode, struct file *file)
 {
-        return single_open(file, proc_sl811h_show, PDE_DATA(inode));
+        return single_open(file, sl811h_show, inode->i_private);
 }
 
-static const struct file_operations proc_ops = {
-        .open           = proc_sl811h_open,
+static const struct file_operations debug_ops = {
+        .open           = sl811h_open,
         .read           = seq_read,
         .llseek         = seq_lseek,
         .release        = single_release,
 };
 
 /* expect just one sl811 per system */
-static const char proc_filename[] = "driver/sl811h";
-
 static void create_debug_file(struct sl811 *sl811)
 {
-        sl811->pde = proc_create_data(proc_filename, 0, NULL, &proc_ops, sl811);
+        sl811->debug_file = debugfs_create_file("sl811h", S_IRUGO,
+                                                usb_debug_root, sl811,
+                                                &debug_ops);
 }
 
 static void remove_debug_file(struct sl811 *sl811)
 {
-        if (sl811->pde)
-                remove_proc_entry(proc_filename, NULL);
+        debugfs_remove(sl811->debug_file);
 }
 
-#endif
-
 /*-------------------------------------------------------------------------*/
 
 static void
diff --git a/drivers/usb/host/sl811.h b/drivers/usb/host/sl811.h
index 7ac5c5ee4a3e..1e23ef49bec1 100644
--- a/drivers/usb/host/sl811.h
+++ b/drivers/usb/host/sl811.h
@@ -122,7 +122,7 @@ struct sl811 {
         void __iomem            *addr_reg;
         void __iomem            *data_reg;
         struct sl811_platform_data      *board;
-        struct proc_dir_entry   *pde;
+        struct dentry           *debug_file;
 
         unsigned long           stat_insrmv;
         unsigned long           stat_wake;