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path: root/drivers/usb/dwc3/core.h
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Diffstat (limited to 'drivers/usb/dwc3/core.h')
-rw-r--r--drivers/usb/dwc3/core.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 36f1cb74588c..29130682e547 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -37,6 +37,7 @@
#define DWC3_MSG_MAX 500
/* Global constants */
+#define DWC3_ZLP_BUF_SIZE 1024 /* size of a superspeed bulk */
#define DWC3_EP0_BOUNCE_SIZE 512
#define DWC3_ENDPOINTS_NUM 32
#define DWC3_XHCI_RESOURCES_NUM 2
@@ -647,6 +648,7 @@ struct dwc3_scratchpad_array {
* @ctrl_req: usb control request which is used for ep0
* @ep0_trb: trb which is used for the ctrl_req
* @ep0_bounce: bounce buffer for ep0
+ * @zlp_buf: used when request->zero is set
* @setup_buf: used while precessing STD USB requests
* @ctrl_req_addr: dma address of ctrl_req
* @ep0_trb: dma address of ep0_trb
@@ -734,6 +736,7 @@ struct dwc3 {
struct usb_ctrlrequest *ctrl_req;
struct dwc3_trb *ep0_trb;
void *ep0_bounce;
+ void *zlp_buf;
void *scratchbuf;
u8 *setup_buf;
dma_addr_t ctrl_req_addr;
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