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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2018-03-16 15:17:23 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-03-16 15:40:19 +0100
commit7bb9aedac66cc768b255e60f97a137935dd818d8 (patch)
tree266e00e2a768c22253260e0c126be8c4725ccbc1
parentxhci: Show what USB release number the xHC supports from protocol capablity (diff)
downloadlinux-7bb9aedac66cc768b255e60f97a137935dd818d8.tar.xz
linux-7bb9aedac66cc768b255e60f97a137935dd818d8.zip
USB: host: sl811: Re-use DEFINE_SHOW_ATTRIBUTE() macro
...instead of open coding file operations followed by custom ->open() callbacks per each attribute. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/usb/host/sl811-hcd.c17
1 files changed, 3 insertions, 14 deletions
diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c
index fa88a903fa2e..5b061e599948 100644
--- a/drivers/usb/host/sl811-hcd.c
+++ b/drivers/usb/host/sl811-hcd.c
@@ -1381,7 +1381,7 @@ static void dump_irq(struct seq_file *s, char *label, u8 mask)
(mask & SL11H_INTMASK_DP) ? " dp" : "");
}
-static int sl811h_show(struct seq_file *s, void *unused)
+static int sl811h_debug_show(struct seq_file *s, void *unused)
{
struct sl811 *sl811 = s->private;
struct sl811h_ep *ep;
@@ -1491,25 +1491,14 @@ static int sl811h_show(struct seq_file *s, void *unused)
return 0;
}
-
-static int sl811h_open(struct inode *inode, struct file *file)
-{
- return single_open(file, sl811h_show, inode->i_private);
-}
-
-static const struct file_operations debug_ops = {
- .open = sl811h_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(sl811h_debug);
/* expect just one sl811 per system */
static void create_debug_file(struct sl811 *sl811)
{
sl811->debug_file = debugfs_create_file("sl811h", S_IRUGO,
usb_debug_root, sl811,
- &debug_ops);
+ &sl811h_debug_fops);
}
static void remove_debug_file(struct sl811 *sl811)