diff options
| -rw-r--r-- | drivers/usb/host/ehci-hcd.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 0ffd6f19ae..78a1af8d7d 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -1097,6 +1097,7 @@ submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer, } struct int_queue { + int elementsize; struct QH *first; struct QH *current; struct QH *last; @@ -1191,6 +1192,7 @@ create_int_queue(struct usb_device *dev, unsigned long pipe, int queuesize, debug("ehci intr queue: out of memory\n"); goto fail1; } + result->elementsize = elementsize; result->first = memalign(USB_DMA_MINALIGN, sizeof(struct QH) * queuesize); if (!result->first) { @@ -1327,6 +1329,11 @@ void *poll_int_queue(struct usb_device *dev, struct int_queue *queue) queue->current++; else queue->current = NULL; + + invalidate_dcache_range((uint32_t)cur->buffer, + ALIGN_END_ADDR(char, cur->buffer, + queue->elementsize)); + debug("Exit poll_int_queue with completed intr transfer. token is %x at %p (first at %p)\n", hc32_to_cpu(cur_td->qt_token), cur, queue->first); return cur->buffer; @@ -1410,9 +1417,6 @@ submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, return -EINVAL; } - invalidate_dcache_range((uint32_t)buffer, - ALIGN_END_ADDR(char, buffer, length)); - ret = destroy_int_queue(dev, queue); if (ret < 0) return ret; |