mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-30 10:39:04 +00:00
117 lines
3.2 KiB
Diff
117 lines
3.2 KiB
Diff
--- a/drivers/usb/host/adm5120-dbg.c
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+++ b/drivers/usb/host/adm5120-dbg.c
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@@ -419,7 +419,7 @@ static struct dentry *admhc_debug_root;
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struct debug_buffer {
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ssize_t (*fill_func)(struct debug_buffer *); /* fill method */
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- struct device *dev;
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+ struct admhcd *ahcd;
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struct mutex mutex; /* protect filling of buffer */
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size_t count; /* number of characters filled into buffer */
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char *page;
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@@ -494,15 +494,11 @@ show_list(struct admhcd *ahcd, char *buf
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static ssize_t fill_async_buffer(struct debug_buffer *buf)
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{
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- struct usb_bus *bus;
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- struct usb_hcd *hcd;
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struct admhcd *ahcd;
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size_t temp;
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unsigned long flags;
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- bus = dev_get_drvdata(buf->dev);
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- hcd = bus_to_hcd(bus);
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- ahcd = hcd_to_admhcd(hcd);
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+ ahcd = buf->ahcd;
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spin_lock_irqsave(&ahcd->lock, flags);
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temp = show_list(ahcd, buf->page, PAGE_SIZE, ahcd->ed_head);
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@@ -516,8 +512,6 @@ static ssize_t fill_async_buffer(struct
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static ssize_t fill_periodic_buffer(struct debug_buffer *buf)
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{
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- struct usb_bus *bus;
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- struct usb_hcd *hcd;
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struct admhcd *ahcd;
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struct ed **seen, *ed;
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unsigned long flags;
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@@ -529,9 +523,7 @@ static ssize_t fill_periodic_buffer(stru
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return 0;
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seen_count = 0;
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- bus = dev_get_drvdata(buf->dev);
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- hcd = bus_to_hcd(bus);
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- ahcd = hcd_to_admhcd(hcd);
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+ ahcd = buf->ahcd;
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next = buf->page;
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size = PAGE_SIZE;
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@@ -613,7 +605,6 @@ static ssize_t fill_periodic_buffer(stru
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static ssize_t fill_registers_buffer(struct debug_buffer *buf)
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{
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- struct usb_bus *bus;
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struct usb_hcd *hcd;
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struct admhcd *ahcd;
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struct admhcd_regs __iomem *regs;
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@@ -622,9 +613,8 @@ static ssize_t fill_registers_buffer(str
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char *next;
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u32 rdata;
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- bus = dev_get_drvdata(buf->dev);
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- hcd = bus_to_hcd(bus);
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- ahcd = hcd_to_admhcd(hcd);
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+ ahcd = buf->ahcd;
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+ hcd = admhcd_to_hcd(ahcd);
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regs = ahcd->regs;
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next = buf->page;
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size = PAGE_SIZE;
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@@ -689,7 +679,7 @@ done:
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}
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-static struct debug_buffer *alloc_buffer(struct device *dev,
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+static struct debug_buffer *alloc_buffer(struct admhcd *ahcd,
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ssize_t (*fill_func)(struct debug_buffer *))
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{
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struct debug_buffer *buf;
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@@ -697,7 +687,7 @@ static struct debug_buffer *alloc_buffer
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buf = kzalloc(sizeof(struct debug_buffer), GFP_KERNEL);
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if (buf) {
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- buf->dev = dev;
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+ buf->ahcd = ahcd;
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buf->fill_func = fill_func;
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mutex_init(&buf->mutex);
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}
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@@ -790,26 +780,25 @@ static int debug_registers_open(struct i
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static inline void create_debug_files(struct admhcd *ahcd)
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{
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struct usb_bus *bus = &admhcd_to_hcd(ahcd)->self;
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- struct device *dev = bus->dev;
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ahcd->debug_dir = debugfs_create_dir(bus->bus_name, admhc_debug_root);
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if (!ahcd->debug_dir)
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goto dir_error;
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ahcd->debug_async = debugfs_create_file("async", S_IRUGO,
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- ahcd->debug_dir, dev,
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+ ahcd->debug_dir, ahcd,
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&debug_async_fops);
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if (!ahcd->debug_async)
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goto async_error;
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ahcd->debug_periodic = debugfs_create_file("periodic", S_IRUGO,
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- ahcd->debug_dir, dev,
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+ ahcd->debug_dir, ahcd,
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&debug_periodic_fops);
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if (!ahcd->debug_periodic)
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goto periodic_error;
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ahcd->debug_registers = debugfs_create_file("registers", S_IRUGO,
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- ahcd->debug_dir, dev,
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+ ahcd->debug_dir, ahcd,
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&debug_registers_fops);
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if (!ahcd->debug_registers)
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goto registers_error;
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