korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-02 00:24:12 +08:00
Code Issues Packages Projects Releases Wiki Activity

usb: dwc3; ep0: Modify _dwc3_ep0_start_trans_ API to take 'chain' parameter

Browse Source 
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 <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Kishon Vijay Abraham I 2015-07-27 12:25:30 +05:30 committed by Felipe Balbi
parent 8a34422056
commit 368ca113ca
1 changed files with 8 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/usb/dwc3/ep0.c
View File

@ -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, bool 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);
}
@ -855,7 +855,7 @@ 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);
}
}
@ -939,7 +939,7 @@ 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;
@ -970,7 +970,7 @@ 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);
@ -980,7 +980,8 @@ 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);
@ -995,7 +996,7 @@ 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)