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tty: replace ->proc_fops with ->proc_show

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Just set up the show callback in the tty_operations, and use
proc_create_single_data to create the file without additional
boilerplace code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig
2018-04-13 21:04:45 +02:00
parent ec7d9c9ce8
commit 8a8dcabffb
14 changed files with 16 additions and 172 deletions
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15
drivers/tty/serial/serial_core.c
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@@ -1829,19 +1829,6 @@ static int uart_proc_show(struct seq_file *m, void *v)
uart_line_info(m, drv, i);
return 0;
}
static int uart_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, uart_proc_show, PDE_DATA(inode));
}
static const struct file_operations uart_proc_fops = {
.owner = THIS_MODULE,
.open = uart_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
#endif
#if defined(CONFIG_SERIAL_CORE_CONSOLE) || defined(CONFIG_CONSOLE_POLL)
@@ -2415,7 +2402,7 @@ static const struct tty_operations uart_ops = {
.break_ctl = uart_break_ctl,
.wait_until_sent= uart_wait_until_sent,
#ifdef CONFIG_PROC_FS
.proc_fops = &uart_proc_fops,
.proc_show = uart_proc_show,
#endif
.tiocmget = uart_tiocmget,
.tiocmset = uart_tiocmset,