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USB: gadget: pxa27x: Re-use DEFINE_SHOW_ATTRIBUTE() macro 

...instead of open coding file operations followed by custom ->open()
callbacks per each attribute.

Cc: Daniel Mack <daniel@zonque.org>
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2018-02-14 18:08:23 +02:00 committed by Greg Kroah-Hartman
parent aaabe7a8fd
commit 35a7e0a2ef
1 changed files with 3 additions and 39 deletions
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42
drivers/usb/gadget/udc/pxa27x_udc.c
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@ -131,6 +131,7 @@ static int state_dbg_show(struct seq_file *s, void *p)
return 0;
}
DEFINE_SHOW_ATTRIBUTE(state_dbg);
static int queues_dbg_show(struct seq_file *s, void *p)
{
@ -163,6 +164,7 @@ static int queues_dbg_show(struct seq_file *s, void *p)
return 0;
}
DEFINE_SHOW_ATTRIBUTE(queues_dbg);
static int eps_dbg_show(struct seq_file *s, void *p)
{
@ -199,45 +201,7 @@ static int eps_dbg_show(struct seq_file *s, void *p)
return 0;
}
static int eps_dbg_open(struct inode *inode, struct file *file)
{
return single_open(file, eps_dbg_show, inode->i_private);
}
static int queues_dbg_open(struct inode *inode, struct file *file)
{
return single_open(file, queues_dbg_show, inode->i_private);
}
static int state_dbg_open(struct inode *inode, struct file *file)
{
return single_open(file, state_dbg_show, inode->i_private);
}
static const struct file_operations state_dbg_fops = {
.owner = THIS_MODULE,
.open = state_dbg_open,
.llseek = seq_lseek,
.read = seq_read,
.release = single_release,
};
static const struct file_operations queues_dbg_fops = {
.owner = THIS_MODULE,
.open = queues_dbg_open,
.llseek = seq_lseek,
.read = seq_read,
.release = single_release,
};
static const struct file_operations eps_dbg_fops = {
.owner = THIS_MODULE,
.open = eps_dbg_open,
.llseek = seq_lseek,
.read = seq_read,
.release = single_release,
};
DEFINE_SHOW_ATTRIBUTE(eps_dbg);
static void pxa_init_debugfs(struct pxa_udc *udc)
{