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path: root/drivers/char/istallion.c
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Diffstat (limited to 'drivers/char/istallion.c')
-rw-r--r--drivers/char/istallion.c22
1 files changed, 9 insertions, 13 deletions
diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c
index c645455c3fd..7c8b62f162b 100644
--- a/drivers/char/istallion.c
+++ b/drivers/char/istallion.c
@@ -1682,16 +1682,6 @@ static int stli_ioctl(struct tty_struct *tty, struct file *file, unsigned int cm
rc = 0;
switch (cmd) {
- case TIOCGSOFTCAR:
- rc = put_user(((tty->termios->c_cflag & CLOCAL) ? 1 : 0),
- (unsigned __user *) arg);
- break;
- case TIOCSSOFTCAR:
- if ((rc = get_user(ival, (unsigned __user *) arg)) == 0)
- tty->termios->c_cflag =
- (tty->termios->c_cflag & ~CLOCAL) |
- (ival ? CLOCAL : 0);
- break;
case TIOCGSERIAL:
rc = stli_getserial(portp, argp);
break;
@@ -3267,7 +3257,7 @@ static int stli_initecp(struct stlibrd *brdp)
*/
EBRDINIT(brdp);
- brdp->membase = ioremap(brdp->memaddr, brdp->memsize);
+ brdp->membase = ioremap_nocache(brdp->memaddr, brdp->memsize);
if (brdp->membase == NULL) {
retval = -ENOMEM;
goto err_reg;
@@ -3424,7 +3414,7 @@ static int stli_initonb(struct stlibrd *brdp)
*/
EBRDINIT(brdp);
- brdp->membase = ioremap(brdp->memaddr, brdp->memsize);
+ brdp->membase = ioremap_nocache(brdp->memaddr, brdp->memsize);
if (brdp->membase == NULL) {
retval = -ENOMEM;
goto err_reg;
@@ -3675,7 +3665,7 @@ static int stli_eisamemprobe(struct stlibrd *brdp)
*/
for (i = 0; (i < stli_eisamempsize); i++) {
brdp->memaddr = stli_eisamemprobeaddrs[i];
- brdp->membase = ioremap(brdp->memaddr, brdp->memsize);
+ brdp->membase = ioremap_nocache(brdp->memaddr, brdp->memsize);
if (brdp->membase == NULL)
continue;
@@ -4433,6 +4423,8 @@ static int stli_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, un
done = 0;
rc = 0;
+ lock_kernel();
+
switch (cmd) {
case COM_GETPORTSTATS:
rc = stli_getportstats(NULL, argp);
@@ -4455,6 +4447,7 @@ static int stli_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, un
done++;
break;
}
+ unlock_kernel();
if (done)
return rc;
@@ -4472,6 +4465,8 @@ static int stli_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, un
if (brdp->state == 0)
return -ENODEV;
+ lock_kernel();
+
switch (cmd) {
case STL_BINTR:
EBRDINTR(brdp);
@@ -4494,6 +4489,7 @@ static int stli_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, un
rc = -ENOIOCTLCMD;
break;
}
+ unlock_kernel();
return rc;
}