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USB: host: whci: Re-use DEFINE_SHOW_ATTRIBUTE() macro

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...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>
This commit is contained in:
Andy Shevchenko 2018-02-14 18:08:28 +02:00 committed by Greg Kroah-Hartman
parent 0a9e8adea7
commit e23500dd34
1 changed files with 6 additions and 42 deletions
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48
drivers/usb/host/whci/debug.c
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@ -72,7 +72,7 @@ static void qset_print(struct seq_file *s, struct whc_qset *qset)
}
}
static int di_print(struct seq_file *s, void *p)
static int di_show(struct seq_file *s, void *p)
{
struct whc *whc = s->private;
int d;
@ -91,8 +91,9 @@ static int di_print(struct seq_file *s, void *p)
}
return 0;
}
DEFINE_SHOW_ATTRIBUTE(di);
static int asl_print(struct seq_file *s, void *p)
static int asl_show(struct seq_file *s, void *p)
{
struct whc *whc = s->private;
struct whc_qset *qset;
@ -103,8 +104,9 @@ static int asl_print(struct seq_file *s, void *p)
return 0;
}
DEFINE_SHOW_ATTRIBUTE(asl);
static int pzl_print(struct seq_file *s, void *p)
static int pzl_show(struct seq_file *s, void *p)
{
struct whc *whc = s->private;
struct whc_qset *qset;
@ -118,45 +120,7 @@ static int pzl_print(struct seq_file *s, void *p)
}
return 0;
}
static int di_open(struct inode *inode, struct file *file)
{
return single_open(file, di_print, inode->i_private);
}
static int asl_open(struct inode *inode, struct file *file)
{
return single_open(file, asl_print, inode->i_private);
}
static int pzl_open(struct inode *inode, struct file *file)
{
return single_open(file, pzl_print, inode->i_private);
}
static const struct file_operations di_fops = {
.open = di_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.owner = THIS_MODULE,
};
static const struct file_operations asl_fops = {
.open = asl_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.owner = THIS_MODULE,
};
static const struct file_operations pzl_fops = {
.open = pzl_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.owner = THIS_MODULE,
};
DEFINE_SHOW_ATTRIBUTE(pzl);
void whc_dbg_init(struct whc *whc)
{