1 files changed, 116 insertions, 0 deletions
diff --git a/target/linux/adm5120/patches-2.6.37/903-adm5120-usb-use-the-admhcd-structure-directly-in-debugfs-files.patch b/target/linux/adm5120/patches-2.6.37/903-adm5120-usb-use-the-admhcd-structure-directly-in-debugfs-files.patch
new file mode 100644
index 0000000000..aa50f8c48b
--- /dev/null
+++ b/target/linux/adm5120/patches-2.6.37/903-adm5120-usb-use-the-admhcd-structure-directly-in-debugfs-files.patch
@@ -0,0 +1,116 @@
+--- a/drivers/usb/host/adm5120-dbg.c
++++ b/drivers/usb/host/adm5120-dbg.c
+@@ -419,7 +419,7 @@ static struct dentry *admhc_debug_root;
+ 
+ struct debug_buffer {
+ 	ssize_t (*fill_func)(struct debug_buffer *);    /* fill method */
+-	struct device *dev;
++	struct admhcd *ahcd;
+ 	struct mutex mutex;     /* protect filling of buffer */
+ 	size_t count;           /* number of characters filled into buffer */
+ 	char *page;
+@@ -494,15 +494,11 @@ show_list(struct admhcd *ahcd, char *buf
+ 
+ static ssize_t fill_async_buffer(struct debug_buffer *buf)
+ {
+-	struct usb_bus		*bus;
+-	struct usb_hcd		*hcd;
+ 	struct admhcd		*ahcd;
+ 	size_t			temp;
+ 	unsigned long		flags;
+ 
+-	bus = dev_get_drvdata(buf->dev);
+-	hcd = bus_to_hcd(bus);
+-	ahcd = hcd_to_admhcd(hcd);
++	ahcd = buf->ahcd;
+ 
+ 	spin_lock_irqsave(&ahcd->lock, flags);
+ 	temp = show_list(ahcd, buf->page, PAGE_SIZE, ahcd->ed_head);
+@@ -516,8 +512,6 @@ static ssize_t fill_async_buffer(struct
+ 
+ static ssize_t fill_periodic_buffer(struct debug_buffer *buf)
+ {
+-	struct usb_bus		*bus;
+-	struct usb_hcd		*hcd;
+ 	struct admhcd		*ahcd;
+ 	struct ed		**seen, *ed;
+ 	unsigned long		flags;
+@@ -529,9 +523,7 @@ static ssize_t fill_periodic_buffer(stru
+ 		return 0;
+ 	seen_count = 0;
+ 
+-	bus = dev_get_drvdata(buf->dev);
+-	hcd = bus_to_hcd(bus);
+-	ahcd = hcd_to_admhcd(hcd);
++	ahcd = buf->ahcd;
+ 	next = buf->page;
+ 	size = PAGE_SIZE;
+ 
+@@ -613,7 +605,6 @@ static ssize_t fill_periodic_buffer(stru
+ 
+ static ssize_t fill_registers_buffer(struct debug_buffer *buf)
+ {
+-	struct usb_bus		*bus;
+ 	struct usb_hcd		*hcd;
+ 	struct admhcd		*ahcd;
+ 	struct admhcd_regs __iomem *regs;
+@@ -622,9 +613,8 @@ static ssize_t fill_registers_buffer(str
+ 	char			*next;
+ 	u32			rdata;
+ 
+-	bus = dev_get_drvdata(buf->dev);
+-	hcd = bus_to_hcd(bus);
+-	ahcd = hcd_to_admhcd(hcd);
++	ahcd = buf->ahcd;
++	hcd = admhcd_to_hcd(ahcd);
+ 	regs = ahcd->regs;
+ 	next = buf->page;
+ 	size = PAGE_SIZE;
+@@ -689,7 +679,7 @@ done:
+ }
+ 
+ 
+-static struct debug_buffer *alloc_buffer(struct device *dev,
++static struct debug_buffer *alloc_buffer(struct admhcd *ahcd,
+ 				ssize_t (*fill_func)(struct debug_buffer *))
+ {
+ 	struct debug_buffer *buf;
+@@ -697,7 +687,7 @@ static struct debug_buffer *alloc_buffer
+ 	buf = kzalloc(sizeof(struct debug_buffer), GFP_KERNEL);
+ 
+ 	if (buf) {
+-		buf->dev = dev;
++		buf->ahcd = ahcd;
+ 		buf->fill_func = fill_func;
+ 		mutex_init(&buf->mutex);
+ 	}
+@@ -790,26 +780,25 @@ static int debug_registers_open(struct i
+ static inline void create_debug_files(struct admhcd *ahcd)
+ {
+ 	struct usb_bus *bus = &admhcd_to_hcd(ahcd)->self;
+-	struct device *dev = bus->dev;
+ 
+ 	ahcd->debug_dir = debugfs_create_dir(bus->bus_name, admhc_debug_root);
+ 	if (!ahcd->debug_dir)
+ 		goto dir_error;
+ 
+ 	ahcd->debug_async = debugfs_create_file("async", S_IRUGO,
+-						ahcd->debug_dir, dev,
++						ahcd->debug_dir, ahcd,
+ 						&debug_async_fops);
+ 	if (!ahcd->debug_async)
+ 		goto async_error;
+ 
+ 	ahcd->debug_periodic = debugfs_create_file("periodic", S_IRUGO,
+-						ahcd->debug_dir, dev,
++						ahcd->debug_dir, ahcd,
+ 						&debug_periodic_fops);
+ 	if (!ahcd->debug_periodic)
+ 		goto periodic_error;
+ 
+ 	ahcd->debug_registers = debugfs_create_file("registers", S_IRUGO,
+-						ahcd->debug_dir, dev,
++						ahcd->debug_dir, ahcd,
+ 						&debug_registers_fops);
+ 	if (!ahcd->debug_registers)
+ 		goto registers_error;