695cce93b10a389698ee04d6d9d0800a6524c154
[oweals/openwrt.git] /
1 --- a/drivers/usb/host/adm5120-dbg.c
2 +++ b/drivers/usb/host/adm5120-dbg.c
3 @@ -419,7 +419,7 @@ static struct dentry *admhc_debug_root;
4  
5  struct debug_buffer {
6         ssize_t (*fill_func)(struct debug_buffer *);    /* fill method */
7 -       struct device *dev;
8 +       struct admhcd *ahcd;
9         struct mutex mutex;     /* protect filling of buffer */
10         size_t count;           /* number of characters filled into buffer */
11         char *page;
12 @@ -494,15 +494,11 @@ show_list(struct admhcd *ahcd, char *buf
13  
14  static ssize_t fill_async_buffer(struct debug_buffer *buf)
15  {
16 -       struct usb_bus          *bus;
17 -       struct usb_hcd          *hcd;
18         struct admhcd           *ahcd;
19         size_t                  temp;
20         unsigned long           flags;
21  
22 -       bus = dev_get_drvdata(buf->dev);
23 -       hcd = bus_to_hcd(bus);
24 -       ahcd = hcd_to_admhcd(hcd);
25 +       ahcd = buf->ahcd;
26  
27         spin_lock_irqsave(&ahcd->lock, flags);
28         temp = show_list(ahcd, buf->page, PAGE_SIZE, ahcd->ed_head);
29 @@ -516,8 +512,6 @@ static ssize_t fill_async_buffer(struct
30  
31  static ssize_t fill_periodic_buffer(struct debug_buffer *buf)
32  {
33 -       struct usb_bus          *bus;
34 -       struct usb_hcd          *hcd;
35         struct admhcd           *ahcd;
36         struct ed               **seen, *ed;
37         unsigned long           flags;
38 @@ -530,9 +524,7 @@ static ssize_t fill_periodic_buffer(stru
39                 return 0;
40         seen_count = 0;
41  
42 -       bus = dev_get_drvdata(buf->dev);
43 -       hcd = bus_to_hcd(bus);
44 -       ahcd = hcd_to_admhcd(hcd);
45 +       ahcd = buf->ahcd;
46         next = buf->page;
47         size = PAGE_SIZE;
48  
49 @@ -615,7 +607,6 @@ static ssize_t fill_periodic_buffer(stru
50  
51  static ssize_t fill_registers_buffer(struct debug_buffer *buf)
52  {
53 -       struct usb_bus          *bus;
54         struct usb_hcd          *hcd;
55         struct admhcd           *ahcd;
56         struct admhcd_regs __iomem *regs;
57 @@ -624,9 +615,8 @@ static ssize_t fill_registers_buffer(str
58         char                    *next;
59         u32                     rdata;
60  
61 -       bus = dev_get_drvdata(buf->dev);
62 -       hcd = bus_to_hcd(bus);
63 -       ahcd = hcd_to_admhcd(hcd);
64 +       ahcd = buf->ahcd;
65 +       hcd = admhcd_to_hcd(ahcd);
66         regs = ahcd->regs;
67         next = buf->page;
68         size = PAGE_SIZE;
69 @@ -691,7 +681,7 @@ done:
70  }
71  
72  
73 -static struct debug_buffer *alloc_buffer(struct device *dev,
74 +static struct debug_buffer *alloc_buffer(struct admhcd *ahcd,
75                                 ssize_t (*fill_func)(struct debug_buffer *))
76  {
77         struct debug_buffer *buf;
78 @@ -699,7 +689,7 @@ static struct debug_buffer *alloc_buffer
79         buf = kzalloc(sizeof(struct debug_buffer), GFP_KERNEL);
80  
81         if (buf) {
82 -               buf->dev = dev;
83 +               buf->ahcd = ahcd;
84                 buf->fill_func = fill_func;
85                 mutex_init(&buf->mutex);
86         }
87 @@ -792,26 +782,25 @@ static int debug_registers_open(struct i
88  static inline void create_debug_files(struct admhcd *ahcd)
89  {
90         struct usb_bus *bus = &admhcd_to_hcd(ahcd)->self;
91 -       struct device *dev = bus->dev;
92  
93         ahcd->debug_dir = debugfs_create_dir(bus->bus_name, admhc_debug_root);
94         if (!ahcd->debug_dir)
95                 goto dir_error;
96  
97         ahcd->debug_async = debugfs_create_file("async", S_IRUGO,
98 -                                               ahcd->debug_dir, dev,
99 +                                               ahcd->debug_dir, ahcd,
100                                                 &debug_async_fops);
101         if (!ahcd->debug_async)
102                 goto async_error;
103  
104         ahcd->debug_periodic = debugfs_create_file("periodic", S_IRUGO,
105 -                                               ahcd->debug_dir, dev,
106 +                                               ahcd->debug_dir, ahcd,
107                                                 &debug_periodic_fops);
108         if (!ahcd->debug_periodic)
109                 goto periodic_error;
110  
111         ahcd->debug_registers = debugfs_create_file("registers", S_IRUGO,
112 -                                               ahcd->debug_dir, dev,
113 +                                               ahcd->debug_dir, ahcd,
114                                                 &debug_registers_fops);
115         if (!ahcd->debug_registers)
116                 goto registers_error;