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WSL2-Linux-Kernel
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proc: switch /proc/ip2mem to seq_file interface 

/******************************************/
/* Remove useless comment, while I am it. */
/******************************************/

Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: Jeff Dike <jdike@addtoit.com>
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 2008-04-29 01:01:55 -07:00 коммит произвёл Linus Torvalds
Родитель 076ec04b8a
Коммит 4a5cdb5b8f
1 изменённых файлов: 25 добавлений и 28 удалений
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53
drivers/char/ip2/ip2main.c
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@ -133,8 +133,9 @@
*****************/
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
static int ip2_read_procmem(char *, char **, off_t, int);
static const struct file_operations ip2mem_proc_fops;
static int ip2_read_proc(char *, char **, off_t, int, int *, void * );
/********************/
@ -695,7 +696,7 @@ ip2_loadmain(int *iop, int *irqp, unsigned char *firmware, int firmsize)
}
}
/* Register the read_procmem thing */
if (!create_proc_info_entry("ip2mem",0,NULL,ip2_read_procmem)) {
if (!proc_create("ip2mem",0,NULL,&ip2mem_proc_fops)) {
printk(KERN_ERR "IP2: failed to register read_procmem\n");
} else {
@ -2967,65 +2968,61 @@ ip2_ipl_open( struct inode *pInode, struct file *pFile )
}
return 0;
}
/******************************************************************************/
/* Function: ip2_read_procmem */
/* Parameters: */
/* */
/* Returns: Length of output */
/* */
/* Description: */
/* Supplies some driver operating parameters */
/* Not real useful unless your debugging the fifo */
/* */
/******************************************************************************/
#define LIMIT (PAGE_SIZE - 120)
static int
ip2_read_procmem(char *buf, char **start, off_t offset, int len)
proc_ip2mem_show(struct seq_file *m, void *v)
{
i2eBordStrPtr pB;
i2ChanStrPtr pCh;
PTTY tty;
int i;
len = 0;
#define FMTLINE "%3d: 0x%08x 0x%08x 0%011o 0%011o\n"
#define FMTLIN2 " 0x%04x 0x%04x tx flow 0x%x\n"
#define FMTLIN3 " 0x%04x 0x%04x rc flow\n"
len += sprintf(buf+len,"\n");
seq_printf(m,"\n");
for( i = 0; i < IP2_MAX_BOARDS; ++i ) {
pB = i2BoardPtrTable[i];
if ( pB ) {
len += sprintf(buf+len,"board %d:\n",i);
len += sprintf(buf+len,"\tFifo rem: %d mty: %x outM %x\n",
seq_printf(m,"board %d:\n",i);
seq_printf(m,"\tFifo rem: %d mty: %x outM %x\n",
pB->i2eFifoRemains,pB->i2eWaitingForEmptyFifo,pB->i2eOutMailWaiting);
}
}
len += sprintf(buf+len,"#: tty flags, port flags, cflags, iflags\n");
seq_printf(m,"#: tty flags, port flags, cflags, iflags\n");
for (i=0; i < IP2_MAX_PORTS; i++) {
if (len > LIMIT)
break;
pCh = DevTable[i];
if (pCh) {
tty = pCh->pTTY;
if (tty && tty->count) {
len += sprintf(buf+len,FMTLINE,i,(int)tty->flags,pCh->flags,
seq_printf(m,FMTLINE,i,(int)tty->flags,pCh->flags,
tty->termios->c_cflag,tty->termios->c_iflag);
len += sprintf(buf+len,FMTLIN2,
seq_printf(m,FMTLIN2,
pCh->outfl.asof,pCh->outfl.room,pCh->channelNeeds);
len += sprintf(buf+len,FMTLIN3,pCh->infl.asof,pCh->infl.room);
seq_printf(m,FMTLIN3,pCh->infl.asof,pCh->infl.room);
}
}
}
return len;
return 0;
}
static int proc_ip2mem_open(struct inode *inode, struct file *file)
{
return single_open(file, proc_ip2mem_show, NULL);
}
static const struct file_operations ip2mem_proc_fops = {
.owner = THIS_MODULE,
.open = proc_ip2mem_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
/*
* This is the handler for /proc/tty/driver/ip2
*