#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
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;
dbg("%s", __FUNCTION__);
- buf_flow_init = kmalloc(16, GFP_KERNEL);
+ buf_flow_init = kmemdup(buf_flow_static, 16, GFP_KERNEL);
if (!buf_flow_init)
return -ENOMEM;
- memcpy(buf_flow_init, buf_flow_static, 16);
if (port->tty)
port->tty->low_latency = 1;
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)
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);