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USB: gadget: gr: 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: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Andy Shevchenko 2018-02-14 18:08:21 +02:00 committed by Felipe Balbi
parent 8802559e93
commit 688d4ca317
1 changed files with 2 additions and 15 deletions
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17
drivers/usb/gadget/udc/gr_udc.c
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@ -179,8 +179,7 @@ static void gr_seq_ep_show(struct seq_file *seq, struct gr_ep *ep)
seq_puts(seq, "\n");
}
static int gr_seq_show(struct seq_file *seq, void *v)
static int gr_dfs_show(struct seq_file *seq, void *v)
{
struct gr_udc *dev = seq->private;
u32 control = gr_read32(&dev->regs->control);
@ -203,19 +202,7 @@ static int gr_seq_show(struct seq_file *seq, void *v)
return 0;
}
static int gr_dfs_open(struct inode *inode, struct file *file)
{
return single_open(file, gr_seq_show, inode->i_private);
}
static const struct file_operations gr_dfs_fops = {
.owner = THIS_MODULE,
.open = gr_dfs_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
DEFINE_SHOW_ATTRIBUTE(gr_dfs);
static void gr_dfs_create(struct gr_udc *dev)
{