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usb: gadget: lpc32xx_udc: Convert to DEFINE_SHOW_ATTRIBUTE 

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Acked-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
This commit is contained in:
Qinglang Miao 2020-09-19 10:52:08 +08:00 committed by Felipe Balbi
parent 0abe3863d0
commit 5bb1d11973
1 changed files with 3 additions and 14 deletions
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17
drivers/usb/gadget/udc/lpc32xx_udc.c
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@ -495,7 +495,7 @@ static void proc_ep_show(struct seq_file *s, struct lpc32xx_ep *ep)
}
}
static int proc_udc_show(struct seq_file *s, void *unused)
static int udc_show(struct seq_file *s, void *unused)
{
struct lpc32xx_udc *udc = s->private;
struct lpc32xx_ep *ep;
@ -524,22 +524,11 @@ static int proc_udc_show(struct seq_file *s, void *unused)
return 0;
}
static int proc_udc_open(struct inode *inode, struct file *file)
{
return single_open(file, proc_udc_show, PDE_DATA(inode));
}
static const struct file_operations proc_ops = {
.owner = THIS_MODULE,
.open = proc_udc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
DEFINE_SHOW_ATTRIBUTE(udc);
static void create_debug_file(struct lpc32xx_udc *udc)
{
udc->pde = debugfs_create_file(debug_filename, 0, NULL, udc, &proc_ops);
udc->pde = debugfs_create_file(debug_filename, 0, NULL, udc, &udc_fops);
}
static void remove_debug_file(struct lpc32xx_udc *udc)