Commit 444697d6 authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by Linus Torvalds
Browse files

proc tty: switch cyclades to ->proc_fops 



Signed-off-by: default avatarAlexey Dobriyan <adobriyan@gmail.com>
Acked-by: default avatarAlan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent ae149b6b

drivers/char/cyclades.c

+20 −34
Original line number Diff line number Diff line
@@ -657,6 +657,7 @@ 


#include <linux/stat.h>

#include <linux/proc_fs.h>

#include <linux/seq_file.h>



static void cy_throttle(struct tty_struct *tty);

static void cy_send_xchar(struct tty_struct *tty, char ch);
@@ -868,8 +869,6 @@ static int cyz_issue_cmd(struct cyclades_card *, __u32, __u8, __u32); 
static unsigned detect_isa_irq(void __iomem *);

#endif				/* CONFIG_ISA */



static int cyclades_get_proc_info(char *, char **, off_t, int, int *, void *);



#ifndef CONFIG_CYZ_INTR

static void cyz_poll(unsigned long);
@@ -5216,31 +5215,22 @@ static struct pci_driver cy_pci_driver = { 
};

#endif



static int

cyclades_get_proc_info(char *buf, char **start, off_t offset, int length,

		int *eof, void *data)

static int cyclades_proc_show(struct seq_file *m, void *v)

{

	struct cyclades_port *info;

	unsigned int i, j;

	int len = 0;

	off_t begin = 0;

	off_t pos = 0;

	int size;

	__u32 cur_jifs = jiffies;



	size = sprintf(buf, "Dev TimeOpen   BytesOut  IdleOut    BytesIn   "

	seq_puts(m, "Dev TimeOpen   BytesOut  IdleOut    BytesIn   "

			"IdleIn  Overruns  Ldisc\n");



	pos += size;

	len += size;



	/* Output one line for each known port */

	for (i = 0; i < NR_CARDS; i++)

		for (j = 0; j < cy_card[i].nports; j++) {

			info = &cy_card[i].ports[j];



			if (info->port.count)

				size = sprintf(buf + len, "%3d %8lu %10lu %8lu "

				seq_printf(m, "%3d %8lu %10lu %8lu "

					"%10lu %8lu %9lu %6ld\n", info->line,

					(cur_jifs - info->idle_stats.in_use) /

					HZ, info->idle_stats.xmit_bytes,
@@ -5251,30 +5241,26 @@ cyclades_get_proc_info(char *buf, char **start, off_t offset, int length, 
					/* FIXME: double check locking */

					(long)info->port.tty->ldisc.ops->num);

			else

				size = sprintf(buf + len, "%3d %8lu %10lu %8lu "

				seq_printf(m, "%3d %8lu %10lu %8lu "

					"%10lu %8lu %9lu %6ld\n",

					info->line, 0L, 0L, 0L, 0L, 0L, 0L, 0L);

			len += size;

			pos = begin + len;



			if (pos < offset) {

				len = 0;

				begin = pos;

		}

			if (pos > offset + length)

				goto done;

	return 0;

}

	*eof = 1;

done:

	*start = buf + (offset - begin);	/* Start of wanted data */

	len -= (offset - begin);	/* Start slop */

	if (len > length)

		len = length;	/* Ending slop */

	if (len < 0)

		len = 0;

	return len;



static int cyclades_proc_open(struct inode *inode, struct file *file)

{

	return single_open(file, cyclades_proc_show, NULL);

}



static const struct file_operations cyclades_proc_fops = {

	.owner		= THIS_MODULE,

	.open		= cyclades_proc_open,

	.read		= seq_read,

	.llseek		= seq_lseek,

	.release	= single_release,

};



/* The serial driver boot-time initialization code!

    Hardware I/O ports are mapped to character special devices on a

    first found, first allocated manner.  That is, this code searches
@@ -5311,9 +5297,9 @@ static const struct tty_operations cy_ops = { 
	.hangup = cy_hangup,

	.break_ctl = cy_break,

	.wait_until_sent = cy_wait_until_sent,

	.read_proc = cyclades_get_proc_info,

	.tiocmget = cy_tiocmget,

	.tiocmset = cy_tiocmset,

	.proc_fops = &cyclades_proc_fops,

};



static int __init cy_init(void)