#include <linux/bitops.h>
#include <linux/slab.h>
#include <linux/init.h>
-
-#ifdef CONFIG_USB_DEBUG
- #define DEBUG
-#else
- #undef DEBUG
-#endif
#include <linux/usb.h>
#include "hcd.h"
*
* The driver must call usb_free_urb() when it is finished with the urb.
*/
-struct urb *usb_alloc_urb(int iso_packets, unsigned mem_flags)
+struct urb *usb_alloc_urb(int iso_packets, gfp_t mem_flags)
{
struct urb *urb;
* GFP_NOIO, unless b) or c) apply
*
*/
-int usb_submit_urb(struct urb *urb, unsigned mem_flags)
+int usb_submit_urb(struct urb *urb, gfp_t mem_flags)
{
int pipe, temp, max;
struct usb_device *dev;
(dev->state < USB_STATE_DEFAULT) ||
(!dev->bus) || (dev->devnum <= 0))
return -ENODEV;
- if (dev->state == USB_STATE_SUSPENDED)
+ if (dev->bus->controller->power.power_state.event != PM_EVENT_ON
+ || dev->state == USB_STATE_SUSPENDED)
return -EHOSTUNREACH;
if (!(op = dev->bus->op) || !op->submit_urb)
return -ENODEV;
*/
void usb_kill_urb(struct urb *urb)
{
+ might_sleep();
if (!(urb && urb->dev && urb->dev->bus && urb->dev->bus->op))
return;
spin_lock_irq(&urb->lock);