#include <asm/4xx_pci.h>
#endif
-#undef USB_DEBUG
+#ifdef DEBUG
+#define USB_DEBUG
+#define USB_HUB_DEBUG
+#endif
#ifdef USB_DEBUG
#define USB_PRINTF(fmt, args...) printf(fmt , ##args)
/*
* disables the asynch behaviour of the control message. This is used for data
* transfers that uses the exclusiv access to the control and bulk messages.
+ * Returns the old value so it can be restored later.
*/
-void usb_disable_asynch(int disable)
+int usb_disable_asynch(int disable)
{
+ int old_value = asynch_allowed;
+
asynch_allowed = !disable;
+ return old_value;
}
if (timeout == 0)
return (int)size;
- if (dev->status != 0) {
- /*
- * Let's wait a while for the timeout to elapse.
- * It has no real use, but it keeps the interface happy.
- */
- wait_ms(timeout);
- return -1;
+ /*
+ * Wait for status to update until timeout expires, USB driver
+ * interrupt handler may set the status when the USB operation has
+ * been completed.
+ */
+ while (timeout--) {
+ if (!((volatile unsigned long)dev->status & USB_ST_NOT_PROC))
+ break;
+ wait_ms(1);
}
+ if (dev->status)
+ return -1;
return dev->act_len;
+
}
/*-------------------------------------------------------------------
* Probes device for being a hub and configurate it
*/
-#undef USB_HUB_DEBUG
-
#ifdef USB_HUB_DEBUG
#define USB_HUB_PRINTF(fmt, args...) printf(fmt , ##args)
#else
hub->desc.DeviceRemovable[i] = descriptor->DeviceRemovable[i];
for (i = 0; i < ((hub->desc.bNbrPorts + 1 + 7)/8); i++)
- hub->desc.DeviceRemovable[i] = descriptor->PortPowerCtrlMask[i];
+ hub->desc.PortPowerCtrlMask[i] = descriptor->PortPowerCtrlMask[i];
dev->maxchild = descriptor->bNbrPorts;
USB_HUB_PRINTF("%d ports detected\n", dev->maxchild);