USB: host: fhci: 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>
This commit is contained in:
Andy Shevchenko 2018-02-14 18:08:24 +02:00 committed by Greg Kroah-Hartman
parent 35a7e0a2ef
commit 513f6750c4

View File

@ -55,6 +55,7 @@ static int fhci_dfs_regs_show(struct seq_file *s, void *v)
return 0;
}
DEFINE_SHOW_ATTRIBUTE(fhci_dfs_regs);
static int fhci_dfs_irq_stat_show(struct seq_file *s, void *v)
{
@ -75,30 +76,7 @@ static int fhci_dfs_irq_stat_show(struct seq_file *s, void *v)
return 0;
}
static int fhci_dfs_regs_open(struct inode *inode, struct file *file)
{
return single_open(file, fhci_dfs_regs_show, inode->i_private);
}
static int fhci_dfs_irq_stat_open(struct inode *inode, struct file *file)
{
return single_open(file, fhci_dfs_irq_stat_show, inode->i_private);
}
static const struct file_operations fhci_dfs_regs_fops = {
.open = fhci_dfs_regs_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static const struct file_operations fhci_dfs_irq_stat_fops = {
.open = fhci_dfs_irq_stat_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
DEFINE_SHOW_ATTRIBUTE(fhci_dfs_irq_stat);
void fhci_dfs_create(struct fhci_hcd *fhci)
{