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path: root/drivers/usb/host/ehci-hcd.c
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Diffstat (limited to 'drivers/usb/host/ehci-hcd.c')
-rw-r--r--drivers/usb/host/ehci-hcd.c54
1 files changed, 37 insertions, 17 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 8238e9d..020c5c8 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -119,6 +119,11 @@ static struct descriptor {
#define ehci_is_TDI() (0)
#endif
+static struct ehci_ctrl *ehci_get_ctrl(struct usb_device *udev)
+{
+ return udev->controller;
+}
+
__weak int ehci_get_port_speed(struct ehci_ctrl *ctrl, uint32_t reg)
{
return PORTSC_PSPD(reg);
@@ -315,7 +320,7 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
uint32_t cmd;
int timeout;
int ret = 0;
- struct ehci_ctrl *ctrl = dev->controller;
+ struct ehci_ctrl *ctrl = ehci_get_ctrl(dev);
debug("dev=%p, pipe=%lx, buffer=%p, length=%d, req=%p\n", dev, pipe,
buffer, length, req);
@@ -661,9 +666,8 @@ fail:
return -1;
}
-int
-ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
- int length, struct devrequest *req)
+static int ehci_submit_root(struct usb_device *dev, unsigned long pipe,
+ void *buffer, int length, struct devrequest *req)
{
uint8_t tmpbuf[4];
u16 typeReq;
@@ -672,7 +676,7 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
uint32_t reg;
uint32_t *status_reg;
int port = le16_to_cpu(req->index) & 0xff;
- struct ehci_ctrl *ctrl = dev->controller;
+ struct ehci_ctrl *ctrl = ehci_get_ctrl(dev);
srclen = 0;
@@ -1075,9 +1079,8 @@ done:
return 0;
}
-int
-submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
- int length)
+static int _ehci_submit_bulk_msg(struct usb_device *dev, unsigned long pipe,
+ void *buffer, int length)
{
if (usb_pipetype(pipe) != PIPE_BULK) {
@@ -1087,11 +1090,11 @@ submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
return ehci_submit_async(dev, pipe, buffer, length, NULL);
}
-int
-submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
- int length, struct devrequest *setup)
+static int _ehci_submit_control_msg(struct usb_device *dev, unsigned long pipe,
+ void *buffer, int length,
+ struct devrequest *setup)
{
- struct ehci_ctrl *ctrl = dev->controller;
+ struct ehci_ctrl *ctrl = ehci_get_ctrl(dev);
if (usb_pipetype(pipe) != PIPE_CONTROL) {
debug("non-control pipe (type=%lu)", usb_pipetype(pipe));
@@ -1161,7 +1164,7 @@ struct int_queue *
create_int_queue(struct usb_device *dev, unsigned long pipe, int queuesize,
int elementsize, void *buffer, int interval)
{
- struct ehci_ctrl *ctrl = dev->controller;
+ struct ehci_ctrl *ctrl = ehci_get_ctrl(dev);
struct int_queue *result = NULL;
int i;
@@ -1353,7 +1356,7 @@ void *poll_int_queue(struct usb_device *dev, struct int_queue *queue)
int
destroy_int_queue(struct usb_device *dev, struct int_queue *queue)
{
- struct ehci_ctrl *ctrl = dev->controller;
+ struct ehci_ctrl *ctrl = ehci_get_ctrl(dev);
int result = -1;
unsigned long timeout;
@@ -1397,9 +1400,8 @@ out:
return result;
}
-int
-submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
- int length, int interval)
+static int _ehci_submit_int_msg(struct usb_device *dev, unsigned long pipe,
+ void *buffer, int length, int interval)
{
void *backbuffer;
struct int_queue *queue;
@@ -1434,3 +1436,21 @@ submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
/* everything worked out fine */
return result;
}
+
+int submit_bulk_msg(struct usb_device *dev, unsigned long pipe,
+ void *buffer, int length)
+{
+ return _ehci_submit_bulk_msg(dev, pipe, buffer, length);
+}
+
+int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
+ int length, struct devrequest *setup)
+{
+ return _ehci_submit_control_msg(dev, pipe, buffer, length, setup);
+}
+
+int submit_int_msg(struct usb_device *dev, unsigned long pipe,
+ void *buffer, int length, int interval)
+{
+ return _ehci_submit_int_msg(dev, pipe, buffer, length, interval);
+}