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path: root/drivers/usb/host/uhci-hcd.h
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Diffstat (limited to 'drivers/usb/host/uhci-hcd.h')
-rw-r--r--drivers/usb/host/uhci-hcd.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/usb/host/uhci-hcd.h b/drivers/usb/host/uhci-hcd.h
index 74469b5bcb6..a8c256b44d8 100644
--- a/drivers/usb/host/uhci-hcd.h
+++ b/drivers/usb/host/uhci-hcd.h
@@ -129,6 +129,8 @@ struct uhci_qh {
__le32 element; /* Queue element (TD) pointer */
/* Software fields */
+ dma_addr_t dma_handle;
+
struct list_head node; /* Node in the list of QHs */
struct usb_host_endpoint *hep; /* Endpoint information */
struct usb_device *udev;
@@ -150,8 +152,6 @@ struct uhci_qh {
int state; /* QH_STATE_xxx; see above */
int type; /* Queue type (control, bulk, etc) */
- dma_addr_t dma_handle;
-
unsigned int initial_toggle:1; /* Endpoint's current toggle value */
unsigned int needs_fixup:1; /* Must fix the TD toggle values */
unsigned int is_stopped:1; /* Queue was stopped by error/unlink */
@@ -171,6 +171,8 @@ static inline __le32 qh_element(struct uhci_qh *qh) {
return element;
}
+#define LINK_TO_QH(qh) (UHCI_PTR_QH | cpu_to_le32((qh)->dma_handle))
+
/*
* Transfer Descriptors
@@ -264,6 +266,8 @@ static inline u32 td_status(struct uhci_td *td) {
return le32_to_cpu(status);
}
+#define LINK_TO_TD(td) (cpu_to_le32((td)->dma_handle))
+
/*
* Skeleton Queue Headers