AcoSail/kernel_optimize_test
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proc tty: switch synclink_gt to ->proc_fops

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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Dobriyan 2009-03-31 15:19:19 -07:00 committed by Linus Torvalds
parent d337829bd8
commit a18c56e5af
1 changed files with 35 additions and 41 deletions
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76
drivers/char/synclink_gt.c
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@ -60,6 +60,7 @@
#include <linux/ptrace.h>
#include <linux/ioport.h>
#include <linux/mm.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/netdevice.h>
#include <linux/vmalloc.h>
@ -154,7 +155,6 @@ static void tx_hold(struct tty_struct *tty);
static void tx_release(struct tty_struct *tty);
static int ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg);
static int read_proc(char *page, char **start, off_t off, int count,int *eof, void *data);
static int chars_in_buffer(struct tty_struct *tty);
static void throttle(struct tty_struct * tty);
static void unthrottle(struct tty_struct * tty);
@ -1229,13 +1229,12 @@ static long slgt_compat_ioctl(struct tty_struct *tty, struct file *file,
/*
* proc fs support
*/
static inline int line_info(char *buf, struct slgt_info *info)
static inline void line_info(struct seq_file *m, struct slgt_info *info)
{
char stat_buf[30];
int ret;
unsigned long flags;
ret = sprintf(buf, "%s: IO=%08X IRQ=%d MaxFrameSize=%u\n",
seq_printf(m, "%s: IO=%08X IRQ=%d MaxFrameSize=%u\n",
info->device_name, info->phys_reg_addr,
info->irq_level, info->max_frame_size);
@ -1260,75 +1259,70 @@ static inline int line_info(char *buf, struct slgt_info *info)
strcat(stat_buf, "|RI");
if (info->params.mode != MGSL_MODE_ASYNC) {
ret += sprintf(buf+ret, "\tHDLC txok:%d rxok:%d",
seq_printf(m, "\tHDLC txok:%d rxok:%d",
info->icount.txok, info->icount.rxok);
if (info->icount.txunder)
ret += sprintf(buf+ret, " txunder:%d", info->icount.txunder);
seq_printf(m, " txunder:%d", info->icount.txunder);
if (info->icount.txabort)
ret += sprintf(buf+ret, " txabort:%d", info->icount.txabort);
seq_printf(m, " txabort:%d", info->icount.txabort);
if (info->icount.rxshort)
ret += sprintf(buf+ret, " rxshort:%d", info->icount.rxshort);
seq_printf(m, " rxshort:%d", info->icount.rxshort);
if (info->icount.rxlong)
ret += sprintf(buf+ret, " rxlong:%d", info->icount.rxlong);
seq_printf(m, " rxlong:%d", info->icount.rxlong);
if (info->icount.rxover)
ret += sprintf(buf+ret, " rxover:%d", info->icount.rxover);
seq_printf(m, " rxover:%d", info->icount.rxover);
if (info->icount.rxcrc)
ret += sprintf(buf+ret, " rxcrc:%d", info->icount.rxcrc);
seq_printf(m, " rxcrc:%d", info->icount.rxcrc);
} else {
ret += sprintf(buf+ret, "\tASYNC tx:%d rx:%d",
seq_printf(m, "\tASYNC tx:%d rx:%d",
info->icount.tx, info->icount.rx);
if (info->icount.frame)
ret += sprintf(buf+ret, " fe:%d", info->icount.frame);
seq_printf(m, " fe:%d", info->icount.frame);
if (info->icount.parity)
ret += sprintf(buf+ret, " pe:%d", info->icount.parity);
seq_printf(m, " pe:%d", info->icount.parity);
if (info->icount.brk)
ret += sprintf(buf+ret, " brk:%d", info->icount.brk);
seq_printf(m, " brk:%d", info->icount.brk);
if (info->icount.overrun)
ret += sprintf(buf+ret, " oe:%d", info->icount.overrun);
seq_printf(m, " oe:%d", info->icount.overrun);
}
/* Append serial signal status to end */
ret += sprintf(buf+ret, " %s\n", stat_buf+1);
seq_printf(m, " %s\n", stat_buf+1);
ret += sprintf(buf+ret, "\ttxactive=%d bh_req=%d bh_run=%d pending_bh=%x\n",
seq_printf(m, "\ttxactive=%d bh_req=%d bh_run=%d pending_bh=%x\n",
info->tx_active,info->bh_requested,info->bh_running,
info->pending_bh);
return ret;
}
/* Called to print information about devices
*/
static int read_proc(char *page, char **start, off_t off, int count,
int *eof, void *data)
static int synclink_gt_proc_show(struct seq_file *m, void *v)
{
int len = 0, l;
off_t begin = 0;
struct slgt_info *info;
len += sprintf(page, "synclink_gt driver\n");
seq_puts(m, "synclink_gt driver\n");
info = slgt_device_list;
while( info ) {
l = line_info(page + len, info);
len += l;
if (len+begin > off+count)
goto done;
if (len+begin < off) {
begin += len;
len = 0;
}
line_info(m, info);
info = info->next_device;
}
*eof = 1;
done:
if (off >= len+begin)
return 0;
*start = page + (off-begin);
return ((count < begin+len-off) ? count : begin+len-off);
return 0;
}
static int synclink_gt_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, synclink_gt_proc_show, NULL);
}
static const struct file_operations synclink_gt_proc_fops = {
.owner = THIS_MODULE,
.open = synclink_gt_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
/*
* return count of bytes in transmit buffer
*/
@ -3562,13 +3556,13 @@ static const struct tty_operations ops = {
.send_xchar = send_xchar,
.break_ctl = set_break,
.wait_until_sent = wait_until_sent,
.read_proc = read_proc,
.set_termios = set_termios,
.stop = tx_hold,
.start = tx_release,
.hangup = hangup,
.tiocmget = tiocmget,
.tiocmset = tiocmset,
.proc_fops = &synclink_gt_proc_fops,
};
static void slgt_cleanup(void)