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usb: ehci: Move cache invalidation to poll_int_queue

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Preperation patch to use poll_int_queue outside of ehci-hcd.c .

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Hans de Goede 2014-09-24 14:06:05 +02:00 committed by Marek Vasut
parent bd818d81d8
commit 8aa26b8e48
1 changed files with 7 additions and 3 deletions
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10
drivers/usb/host/ehci-hcd.c
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@ -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;