Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband

[linux-2.6-omap-h63xx.git] / drivers / usb / serial / ipw.c

diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c
index 2dd191f5fe766962e37e9a0a5971334b216e7d1c..2a4bb66691ad4ae90cebe8b7b6201b0f4a82d404 100644 (file)
--- a/drivers/usb/serial/ipw.c
+++ b/drivers/usb/serial/ipw.c
@@ -46,8 +46,8 @@
 #include <linux/module.h>
 #include <linux/spinlock.h>
 #include <linux/usb.h>
+#include <linux/usb/serial.h>
 #include <asm/uaccess.h>
-#include "usb-serial.h"
 
 /*
  * Version Information
@@ -161,12 +161,11 @@ static struct usb_driver usb_ipw_driver = {
 
 static int debug;
 
-static void ipw_read_bulk_callback(struct urb *urb, struct pt_regs *regs)
+static void ipw_read_bulk_callback(struct urb *urb)
 {
        struct usb_serial_port *port = urb->context;
        unsigned char *data = urb->transfer_buffer;
        struct tty_struct *tty;
-       int i;
        int result;
 
        dbg("%s - port %d", __FUNCTION__, port->number);
@@ -180,14 +179,8 @@ static void ipw_read_bulk_callback(struct urb *urb, struct pt_regs *regs)
 
        tty = port->tty;
        if (tty && urb->actual_length) {
-               for (i = 0; i < urb->actual_length ; ++i) {
-                       /* if we insert more than TTY_FLIPBUF_SIZE characters, we drop them. */
-                       if(tty->flip.count >= TTY_FLIPBUF_SIZE) {
-                               tty_flip_buffer_push(tty);
-                       }
-                       /* this doesn't actually push the data through unless tty->low_latency is set */
-                       tty_insert_flip_char(tty, data[i], 0);
-               }
+               tty_buffer_request_room(tty, urb->actual_length);
+               tty_insert_flip_string(tty, data, urb->actual_length);
                tty_flip_buffer_push(tty);
        }
 
@@ -374,16 +367,18 @@ static void ipw_close(struct usb_serial_port *port, struct file * filp)
        usb_kill_urb(port->write_urb);
 }
 
-static void ipw_write_bulk_callback(struct urb *urb, struct pt_regs *regs)
+static void ipw_write_bulk_callback(struct urb *urb)
 {
        struct usb_serial_port *port = urb->context;
 
        dbg("%s", __FUNCTION__);
 
+       port->write_urb_busy = 0;
+
        if (urb->status)
                dbg("%s - nonzero write bulk status received: %d", __FUNCTION__, urb->status);
 
-       schedule_work(&port->work);
+       usb_serial_port_softint(port);
 }
 
 static int ipw_write(struct usb_serial_port *port, const unsigned char *buf, int count)
@@ -399,14 +394,14 @@ static int ipw_write(struct usb_serial_port *port, const unsigned char *buf, int
                return 0;
        }
 
-       spin_lock(&port->lock);
+       spin_lock_bh(&port->lock);
        if (port->write_urb_busy) {
-               spin_unlock(&port->lock);
+               spin_unlock_bh(&port->lock);
                dbg("%s - already writing", __FUNCTION__);
                return 0;
        }
        port->write_urb_busy = 1;
-       spin_unlock(&port->lock);
+       spin_unlock_bh(&port->lock);
 
        count = min(count, port->bulk_out_size);
        memcpy(port->bulk_out_buffer, buf, count);