1 files changed, 9 insertions, 7 deletions

diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 57eca244842..2f6da1e89bf 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -82,8 +82,7 @@
  * Defines used for sending commands to port
  */
 
-#define WAIT_FOR_EVER   (HZ * 0)        /* timeout urb is wait for ever */
-#define MOS_WDR_TIMEOUT (HZ * 5)        /* default urb timeout */
+#define MOS_WDR_TIMEOUT         5000    /* default urb timeout */
 
 #define MOS_PORT1       0x0200
 #define MOS_PORT2       0x0300
@@ -1232,9 +1231,12 @@ static int mos7840_chars_in_buffer(struct tty_struct *tty)
                 return 0;
 
         spin_lock_irqsave(&mos7840_port->pool_lock, flags);
-        for (i = 0; i < NUM_URBS; ++i)
-                if (mos7840_port->busy[i])
-                        chars += URB_TRANSFER_BUFFER_SIZE;
+        for (i = 0; i < NUM_URBS; ++i) {
+                if (mos7840_port->busy[i]) {
+                        struct urb *urb = mos7840_port->write_urb_pool[i];
+                        chars += urb->transfer_buffer_length;
+                }
+        }
         spin_unlock_irqrestore(&mos7840_port->pool_lock, flags);
         dbg("%s - returns %d", __func__, chars);
         return chars;
@@ -1344,7 +1346,7 @@ static void mos7840_close(struct usb_serial_port *port)
 static void mos7840_block_until_chase_response(struct tty_struct *tty,
                                         struct moschip_port *mos7840_port)
 {
-        int timeout = 1 * HZ;
+        int timeout = msecs_to_jiffies(1000);
         int wait = 10;
         int count;
 
@@ -2672,7 +2674,7 @@ static int mos7840_startup(struct usb_serial *serial)
 
         /* setting configuration feature to one */
         usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
-                        (__u8) 0x03, 0x00, 0x01, 0x00, NULL, 0x00, 5 * HZ);
+                        (__u8) 0x03, 0x00, 0x01, 0x00, NULL, 0x00, MOS_WDR_TIMEOUT);
         return 0;
 error:
         for (/* nothing */; i >= 0; i--) {