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authorDave Jones <davej@redhat.com>2006-12-12 18:13:32 -0500
committerDave Jones <davej@redhat.com>2006-12-12 18:13:32 -0500
commitf0eef25339f92f7cd4aeea23d9ae97987a5a1e82 (patch)
tree2472e94d39f43a9580a6d2d5d92de0b749023263 /drivers/char/generic_serial.c
parent0cfea5dd98205f2fa318836da664a7d7df1afbc1 (diff)
parente1036502e5263851259d147771226161e5ccc85a (diff)
Merge ../linus
Diffstat (limited to 'drivers/char/generic_serial.c')
-rw-r--r--drivers/char/generic_serial.c34
1 files changed, 4 insertions, 30 deletions
diff --git a/drivers/char/generic_serial.c b/drivers/char/generic_serial.c
index 5e59c0b4273..e769811e741 100644
--- a/drivers/char/generic_serial.c
+++ b/drivers/char/generic_serial.c
@@ -33,8 +33,6 @@
#define DEBUG
-static char * tmp_buf;
-
static int gs_debug;
#ifdef DEBUG
@@ -205,7 +203,7 @@ int gs_write(struct tty_struct * tty,
if (!tty) return -EIO;
port = tty->driver_data;
- if (!port || !port->xmit_buf || !tmp_buf)
+ if (!port || !port->xmit_buf)
return -EIO;
local_save_flags(flags);
@@ -720,11 +718,11 @@ static unsigned int gs_baudrates[] = {
void gs_set_termios (struct tty_struct * tty,
- struct termios * old_termios)
+ struct ktermios * old_termios)
{
struct gs_port *port;
int baudrate, tmp, rv;
- struct termios *tiosp;
+ struct ktermios *tiosp;
func_enter();
@@ -746,11 +744,9 @@ void gs_set_termios (struct tty_struct * tty,
gs_dprintk (GS_DEBUG_TERMIOS, "termios structure (%p):\n", tiosp);
}
-#if 0
/* This is an optimization that is only allowed for dumb cards */
/* Smart cards require knowledge of iflags and oflags too: that
might change hardware cooking mode.... */
-#endif
if (old_termios) {
if( (tiosp->c_iflag == old_termios->c_iflag)
&& (tiosp->c_oflag == old_termios->c_oflag)
@@ -774,14 +770,7 @@ void gs_set_termios (struct tty_struct * tty,
if(!memcmp(tiosp->c_cc, old_termios->c_cc, NCC)) printk("c_cc changed\n");
}
- baudrate = tiosp->c_cflag & CBAUD;
- if (baudrate & CBAUDEX) {
- baudrate &= ~CBAUDEX;
- if ((baudrate < 1) || (baudrate > 4))
- tiosp->c_cflag &= ~CBAUDEX;
- else
- baudrate += 15;
- }
+ baudrate = tty_get_baud_rate(tty);
baudrate = gs_baudrates[baudrate];
if ((tiosp->c_cflag & CBAUD) == B38400) {
@@ -846,24 +835,9 @@ void gs_set_termios (struct tty_struct * tty,
int gs_init_port(struct gs_port *port)
{
unsigned long flags;
- unsigned long page;
func_enter ();
- if (!tmp_buf) {
- page = get_zeroed_page(GFP_KERNEL);
- spin_lock_irqsave (&port->driver_lock, flags); /* Don't expect this to make a difference. */
- if (tmp_buf)
- free_page(page);
- else
- tmp_buf = (unsigned char *) page;
- spin_unlock_irqrestore (&port->driver_lock, flags);
- if (!tmp_buf) {
- func_exit ();
- return -ENOMEM;
- }
- }
-
if (port->flags & ASYNC_INITIALIZED) {
func_exit ();
return 0;