usb: dwc3: debugfs: Re-use DEFINE_SHOW_ATTRIBUTE() macro
...instead of open coding file operations followed by custom ->open() callbacks per each attribute. Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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@ -487,8 +487,8 @@ static const struct file_operations dwc3_link_state_fops = {
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};
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struct dwc3_ep_file_map {
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char name[25];
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int (*show)(struct seq_file *s, void *unused);
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const char name[25];
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const struct file_operations *const fops;
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};
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static int dwc3_tx_fifo_queue_show(struct seq_file *s, void *unused)
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@ -596,7 +596,7 @@ static int dwc3_event_queue_show(struct seq_file *s, void *unused)
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return 0;
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}
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static int dwc3_ep_transfer_type_show(struct seq_file *s, void *unused)
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static int dwc3_transfer_type_show(struct seq_file *s, void *unused)
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{
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struct dwc3_ep *dep = s->private;
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struct dwc3 *dwc = dep->dwc;
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@ -632,7 +632,7 @@ out:
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return 0;
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}
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static int dwc3_ep_trb_ring_show(struct seq_file *s, void *unused)
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static int dwc3_trb_ring_show(struct seq_file *s, void *unused)
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{
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struct dwc3_ep *dep = s->private;
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struct dwc3 *dwc = dep->dwc;
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@ -670,58 +670,39 @@ out:
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return 0;
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}
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static struct dwc3_ep_file_map map[] = {
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{ "tx_fifo_queue", dwc3_tx_fifo_queue_show, },
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{ "rx_fifo_queue", dwc3_rx_fifo_queue_show, },
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{ "tx_request_queue", dwc3_tx_request_queue_show, },
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{ "rx_request_queue", dwc3_rx_request_queue_show, },
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{ "rx_info_queue", dwc3_rx_info_queue_show, },
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{ "descriptor_fetch_queue", dwc3_descriptor_fetch_queue_show, },
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{ "event_queue", dwc3_event_queue_show, },
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{ "transfer_type", dwc3_ep_transfer_type_show, },
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{ "trb_ring", dwc3_ep_trb_ring_show, },
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DEFINE_SHOW_ATTRIBUTE(dwc3_tx_fifo_queue);
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DEFINE_SHOW_ATTRIBUTE(dwc3_rx_fifo_queue);
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DEFINE_SHOW_ATTRIBUTE(dwc3_tx_request_queue);
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DEFINE_SHOW_ATTRIBUTE(dwc3_rx_request_queue);
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DEFINE_SHOW_ATTRIBUTE(dwc3_rx_info_queue);
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DEFINE_SHOW_ATTRIBUTE(dwc3_descriptor_fetch_queue);
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DEFINE_SHOW_ATTRIBUTE(dwc3_event_queue);
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DEFINE_SHOW_ATTRIBUTE(dwc3_transfer_type);
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DEFINE_SHOW_ATTRIBUTE(dwc3_trb_ring);
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static const struct dwc3_ep_file_map dwc3_ep_file_map[] = {
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{ "tx_fifo_queue", &dwc3_tx_fifo_queue_fops, },
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{ "rx_fifo_queue", &dwc3_rx_fifo_queue_fops, },
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{ "tx_request_queue", &dwc3_tx_request_queue_fops, },
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{ "rx_request_queue", &dwc3_rx_request_queue_fops, },
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{ "rx_info_queue", &dwc3_rx_info_queue_fops, },
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{ "descriptor_fetch_queue", &dwc3_descriptor_fetch_queue_fops, },
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{ "event_queue", &dwc3_event_queue_fops, },
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{ "transfer_type", &dwc3_transfer_type_fops, },
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{ "trb_ring", &dwc3_trb_ring_fops, },
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};
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static int dwc3_endpoint_open(struct inode *inode, struct file *file)
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{
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const char *file_name = file_dentry(file)->d_iname;
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struct dwc3_ep_file_map *f_map;
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int i;
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for (i = 0; i < ARRAY_SIZE(map); i++) {
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f_map = &map[i];
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if (strcmp(f_map->name, file_name) == 0)
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break;
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}
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return single_open(file, f_map->show, inode->i_private);
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}
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static const struct file_operations dwc3_endpoint_fops = {
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.open = dwc3_endpoint_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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static void dwc3_debugfs_create_endpoint_file(struct dwc3_ep *dep,
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struct dentry *parent, int type)
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{
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struct dentry *file;
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struct dwc3_ep_file_map *ep_file = &map[type];
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file = debugfs_create_file(ep_file->name, S_IRUGO, parent, dep,
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&dwc3_endpoint_fops);
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}
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static void dwc3_debugfs_create_endpoint_files(struct dwc3_ep *dep,
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struct dentry *parent)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(map); i++)
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dwc3_debugfs_create_endpoint_file(dep, parent, i);
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for (i = 0; i < ARRAY_SIZE(dwc3_ep_file_map); i++) {
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const struct file_operations *fops = dwc3_ep_file_map[i].fops;
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const char *name = dwc3_ep_file_map[i].name;
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debugfs_create_file(name, S_IRUGO, parent, dep, fops);
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}
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}
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static void dwc3_debugfs_create_endpoint_dir(struct dwc3_ep *dep,
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