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authorHans de Goede <hdegoede@redhat.com>2015-05-11 20:43:52 +0200
committerSimon Glass <sjg@chromium.org>2015-05-14 18:49:31 -0600
commit029fd8ea1fffe70bf0d2dab4c64cffa20bf3f62e (patch)
treebabf49a5477442783e3a3eb77408758eb9a5ad29 /drivers/usb/host/ehci-hcd.c
parent45b9ea1da2f9e5110ced2fe2808aee224183aa54 (diff)
dm: usb: Prefix ehci interrupt-queue functions with _ehci_
This is a preparation patch for adding interrupt-queue support to the ehci dm code. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/usb/host/ehci-hcd.c')
-rw-r--r--drivers/usb/host/ehci-hcd.c37
1 files changed, 28 insertions, 9 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index e4c462f343..65428924c0 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1263,9 +1263,9 @@ disable_periodic(struct ehci_ctrl *ctrl)
return 0;
}
-struct int_queue *
-create_int_queue(struct usb_device *dev, unsigned long pipe, int queuesize,
- int elementsize, void *buffer, int interval)
+static struct int_queue *_ehci_create_int_queue(struct usb_device *dev,
+ unsigned long pipe, int queuesize, int elementsize,
+ void *buffer, int interval)
{
struct ehci_ctrl *ctrl = ehci_get_ctrl(dev);
struct int_queue *result = NULL;
@@ -1421,7 +1421,8 @@ fail1:
return NULL;
}
-void *poll_int_queue(struct usb_device *dev, struct int_queue *queue)
+static void *_ehci_poll_int_queue(struct usb_device *dev,
+ struct int_queue *queue)
{
struct QH *cur = queue->current;
struct qTD *cur_td;
@@ -1456,8 +1457,8 @@ void *poll_int_queue(struct usb_device *dev, struct int_queue *queue)
}
/* Do not free buffers associated with QHs, they're owned by someone else */
-int
-destroy_int_queue(struct usb_device *dev, struct int_queue *queue)
+static int _ehci_destroy_int_queue(struct usb_device *dev,
+ struct int_queue *queue)
{
struct ehci_ctrl *ctrl = ehci_get_ctrl(dev);
int result = -1;
@@ -1514,12 +1515,12 @@ static int _ehci_submit_int_msg(struct usb_device *dev, unsigned long pipe,
debug("dev=%p, pipe=%lu, buffer=%p, length=%d, interval=%d",
dev, pipe, buffer, length, interval);
- queue = create_int_queue(dev, pipe, 1, length, buffer, interval);
+ queue = _ehci_create_int_queue(dev, pipe, 1, length, buffer, interval);
if (!queue)
return -1;
timeout = get_timer(0) + USB_TIMEOUT_MS(pipe);
- while ((backbuffer = poll_int_queue(dev, queue)) == NULL)
+ while ((backbuffer = _ehci_poll_int_queue(dev, queue)) == NULL)
if (get_timer(0) > timeout) {
printf("Timeout poll on interrupt endpoint\n");
result = -ETIMEDOUT;
@@ -1532,7 +1533,7 @@ static int _ehci_submit_int_msg(struct usb_device *dev, unsigned long pipe,
return -EINVAL;
}
- ret = destroy_int_queue(dev, queue);
+ ret = _ehci_destroy_int_queue(dev, queue);
if (ret < 0)
return ret;
@@ -1558,6 +1559,24 @@ int submit_int_msg(struct usb_device *dev, unsigned long pipe,
{
return _ehci_submit_int_msg(dev, pipe, buffer, length, interval);
}
+
+struct int_queue *create_int_queue(struct usb_device *dev,
+ unsigned long pipe, int queuesize, int elementsize,
+ void *buffer, int interval)
+{
+ return _ehci_create_int_queue(dev, pipe, queuesize, elementsize,
+ buffer, interval);
+}
+
+void *poll_int_queue(struct usb_device *dev, struct int_queue *queue)
+{
+ return _ehci_poll_int_queue(dev, queue);
+}
+
+int destroy_int_queue(struct usb_device *dev, struct int_queue *queue)
+{
+ return _ehci_destroy_int_queue(dev, queue);
+}
#endif
#ifdef CONFIG_DM_USB