No functional change. Added a new parameter in _dwc3_ep0_start_trans_ to
indicate whether the TRB is a chained TRB or last TRB. This is in
preparation for adding chained TRB support for ep0.
Signed-off-by: Kishon Vijay Abraham I <kis...@ti.com>
---
drivers/usb/dwc3/ep0.c | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 4998074..d1a2be1 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -56,7 +56,7 @@ static const char *dwc3_ep0_state_string(enum dwc3_ep0_state
state)
}
static int dwc3_ep0_start_trans(struct dwc3 *dwc, u8 epnum, dma_addr_t buf_dma,
- u32 len, u32 type)
+ u32 len, u32 type, unsigned chain)
{
struct dwc3_gadget_ep_cmd_params params;
struct dwc3_trb *trb;
@@ -302,7 +302,7 @@ void dwc3_ep0_out_start(struct dwc3 *dwc)
int ret;
ret = dwc3_ep0_start_trans(dwc, 0, dwc->ctrl_req_addr, 8,
- DWC3_TRBCTL_CONTROL_SETUP);
+ DWC3_TRBCTL_CONTROL_SETUP, false);
WARN_ON(ret < 0);
}
@@ -851,7 +851,7 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc,
ret = dwc3_ep0_start_trans(dwc, epnum,
dwc->ctrl_req_addr, 0,
- DWC3_TRBCTL_CONTROL_DATA);
+ DWC3_TRBCTL_CONTROL_DATA, false);
WARN_ON(ret < 0);
}
}
@@ -935,7 +935,7 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc,
if (req->request.length == 0) {
ret = dwc3_ep0_start_trans(dwc, dep->number,
dwc->ctrl_req_addr, 0,
- DWC3_TRBCTL_CONTROL_DATA);
+ DWC3_TRBCTL_CONTROL_DATA, false);
} else if (!IS_ALIGNED(req->request.length, dep->endpoint.maxpacket)
&& (dep->number == 0)) {
u32 transfer_size = 0;
@@ -966,7 +966,7 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc,
*/
ret = dwc3_ep0_start_trans(dwc, dep->number,
dwc->ep0_bounce_addr, transfer_size,
- DWC3_TRBCTL_CONTROL_DATA);
+ DWC3_TRBCTL_CONTROL_DATA, false);
} else {
ret = usb_gadget_map_request(&dwc->gadget, &req->request,
dep->number);
@@ -976,7 +976,8 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc,
}
ret = dwc3_ep0_start_trans(dwc, dep->number, req->request.dma,
- req->request.length, DWC3_TRBCTL_CONTROL_DATA);
+ req->request.length, DWC3_TRBCTL_CONTROL_DATA,
+ false);
}
WARN_ON(ret < 0);
@@ -991,7 +992,7 @@ static int dwc3_ep0_start_control_status(struct dwc3_ep
*dep)
: DWC3_TRBCTL_CONTROL_STATUS2;
return dwc3_ep0_start_trans(dwc, dep->number,
- dwc->ctrl_req_addr, 0, type);
+ dwc->ctrl_req_addr, 0, type, false);
}
static void __dwc3_ep0_do_control_status(struct dwc3 *dwc, struct dwc3_ep *dep)
--
1.7.9.5
--
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