Preperation patch to use poll_int_queue outside of ehci-hcd.c .
Signed-off-by: Hans de Goede <hdego...@redhat.com>
---
drivers/usb/host/ehci-hcd.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index cf3e3c0..e527a7a 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1106,6 +1106,7 @@ 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;
@@ -1200,6 +1201,7 @@ 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) {
@@ -1336,6 +1338,11 @@ 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;
@@ -1419,9 +1426,6 @@ 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;
--
2.1.0
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