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path: root/drivers/usb/serial/digi_acceleport.c
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Diffstat (limited to 'drivers/usb/serial/digi_acceleport.c')
-rw-r--r--drivers/usb/serial/digi_acceleport.c28
1 files changed, 12 insertions, 16 deletions
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index 8fc414bd5b24..b3f776a90c93 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -946,13 +946,10 @@ dbg( "digi_rx_unthrottle: TOP: port=%d", priv->dp_port_num );
spin_lock_irqsave( &priv->dp_port_lock, flags );
/* send any buffered chars from throttle time on to tty subsystem */
- len = min(priv->dp_in_buf_len, TTY_FLIPBUF_SIZE - tty->flip.count );
+
+ len = tty_buffer_request_room(tty, priv->dp_in_buf_len);
if( len > 0 ) {
- memcpy( tty->flip.char_buf_ptr, priv->dp_in_buf, len );
- memcpy( tty->flip.flag_buf_ptr, priv->dp_in_flag_buf, len );
- tty->flip.char_buf_ptr += len;
- tty->flip.flag_buf_ptr += len;
- tty->flip.count += len;
+ tty_insert_flip_string_flags(tty, priv->dp_in_buf, priv->dp_in_flag_buf, len);
tty_flip_buffer_push( tty );
}
@@ -1827,6 +1824,7 @@ static int digi_read_inb_callback( struct urb *urb )
int status = ((unsigned char *)urb->transfer_buffer)[2];
unsigned char *data = ((unsigned char *)urb->transfer_buffer)+3;
int flag,throttled;
+ int i;
/* do not process callbacks on closed ports */
/* but do continue the read chain */
@@ -1885,20 +1883,18 @@ static int digi_read_inb_callback( struct urb *urb )
}
} else {
-
- len = min( len, TTY_FLIPBUF_SIZE - tty->flip.count );
-
+ len = tty_buffer_request_room(tty, len);
if( len > 0 ) {
- memcpy( tty->flip.char_buf_ptr, data, len );
- memset( tty->flip.flag_buf_ptr, flag, len );
- tty->flip.char_buf_ptr += len;
- tty->flip.flag_buf_ptr += len;
- tty->flip.count += len;
+ /* Hot path */
+ if(flag == TTY_NORMAL)
+ tty_insert_flip_string(tty, data, len);
+ else {
+ for(i = 0; i < len; i++)
+ tty_insert_flip_char(tty, data[i], flag);
+ }
tty_flip_buffer_push( tty );
}
-
}
-
}
spin_unlock( &priv->dp_port_lock );