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[PATCH] clean up computone remaining cli use

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Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Alan Cox 2006-01-09 20:54:20 -08:00 committed by Linus Torvalds
parent c58cbb6cbb
commit d9e39538ce
2 changed files with 16 additions and 12 deletions
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2
drivers/char/ip2/i2lib.c
View File

@ -854,7 +854,7 @@ i2Input(i2ChanStrPtr pCh)
count += IBUF_SIZE;
}
// Don't give more than can be taken by the line discipline
amountToMove = pCh->pTTY->ldisc.receive_room( pCh->pTTY );
amountToMove = pCh->pTTY->receive_room;
if (count > amountToMove) {
count = amountToMove;
}

26
drivers/char/ip2main.c
View File

@ -172,7 +172,7 @@ static int Fip_firmware_size;
/* Private (static) functions */
static int ip2_open(PTTY, struct file *);
static void ip2_close(PTTY, struct file *);
static int ip2_write(PTTY, int, const unsigned char *, int);
static int ip2_write(PTTY, const unsigned char *, int);
static void ip2_putchar(PTTY, unsigned char);
static void ip2_flush_chars(PTTY);
static int ip2_write_room(PTTY);
@ -1713,7 +1713,7 @@ ip2_hangup ( PTTY tty )
/* */
/******************************************************************************/
static int
ip2_write( PTTY tty, int user, const unsigned char *pData, int count)
ip2_write( PTTY tty, const unsigned char *pData, int count)
{
i2ChanStrPtr pCh = tty->driver_data;
int bytesSent = 0;
@ -1726,7 +1726,7 @@ ip2_write( PTTY tty, int user, const unsigned char *pData, int count)
/* This is the actual move bit. Make sure it does what we need!!!!! */
WRITE_LOCK_IRQSAVE(&pCh->Pbuf_spinlock,flags);
bytesSent = i2Output( pCh, pData, count, user );
bytesSent = i2Output( pCh, pData, count, 0 );
WRITE_UNLOCK_IRQRESTORE(&pCh->Pbuf_spinlock,flags);
ip2trace (CHANN, ITRC_WRITE, ITRC_RETURN, 1, bytesSent );
@ -2001,7 +2001,9 @@ ip2_stop ( PTTY tty )
static int ip2_tiocmget(struct tty_struct *tty, struct file *file)
{
i2ChanStrPtr pCh = DevTable[tty->index];
#ifdef ENABLE_DSSNOW
wait_queue_t wait;
#endif
if (pCh == NULL)
return -ENODEV;
@ -2089,15 +2091,17 @@ ip2_ioctl ( PTTY tty, struct file *pFile, UINT cmd, ULONG arg )
{
wait_queue_t wait;
i2ChanStrPtr pCh = DevTable[tty->index];
i2eBordStrPtr pB;
struct async_icount cprev, cnow; /* kernel counter temps */
struct serial_icounter_struct __user *p_cuser;
int rc = 0;
unsigned long flags;
void __user *argp = (void __user *)arg;
if ( pCh == NULL ) {
if ( pCh == NULL )
return -ENODEV;
}
pB = pCh->pMyBord;
ip2trace (CHANN, ITRC_IOCTL, ITRC_ENTER, 2, cmd, arg );
@ -2206,9 +2210,9 @@ ip2_ioctl ( PTTY tty, struct file *pFile, UINT cmd, ULONG arg )
* for masking). Caller should use TIOCGICOUNT to see which one it was
*/
case TIOCMIWAIT:
save_flags(flags);cli();
WRITE_LOCK_IRQSAVE(&pB->read_fifo_spinlock, flags);
cprev = pCh->icount; /* note the counters on entry */
restore_flags(flags);
WRITE_UNLOCK_IRQRESTORE(&pB->read_fifo_spinlock, flags);
i2QueueCommands(PTYPE_BYPASS, pCh, 100, 4,
CMD_DCD_REP, CMD_CTS_REP, CMD_DSR_REP, CMD_RI_REP);
init_waitqueue_entry(&wait, current);
@ -2228,9 +2232,9 @@ ip2_ioctl ( PTTY tty, struct file *pFile, UINT cmd, ULONG arg )
rc = -ERESTARTSYS;
break;
}
save_flags(flags);cli();
WRITE_LOCK_IRQSAVE(&pB->read_fifo_spinlock, flags);
cnow = pCh->icount; /* atomic copy */
restore_flags(flags);
WRITE_UNLOCK_IRQRESTORE(&pB->read_fifo_spinlock, flags);
if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr &&
cnow.dcd == cprev.dcd && cnow.cts == cprev.cts) {
rc = -EIO; /* no change => rc */
@ -2268,9 +2272,9 @@ ip2_ioctl ( PTTY tty, struct file *pFile, UINT cmd, ULONG arg )
case TIOCGICOUNT:
ip2trace (CHANN, ITRC_IOCTL, 11, 1, rc );
save_flags(flags);cli();
WRITE_LOCK_IRQSAVE(&pB->read_fifo_spinlock, flags);
cnow = pCh->icount;
restore_flags(flags);
WRITE_UNLOCK_IRQRESTORE(&pB->read_fifo_spinlock, flags);
p_cuser = argp;
rc = put_user(cnow.cts, &p_cuser->cts);
rc = put_user(cnow.dsr, &p_cuser->dsr);