openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

usb: dwc3: Update speed checks for SuperSpeedPlus 

Update various places where the speed is checked so that it takes into
account SuperSpeedPlus properly.

Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
This commit is contained in:
John Youn 2016-02-05 17:08:45 -08:00 committed by Felipe Balbi
parent 1f38f88a24
commit ee5cd41c91
2 changed files with 14 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/usb/dwc3/ep0.c
View File

@ -356,7 +356,8 @@ static int dwc3_ep0_handle_status(struct dwc3 *dwc,
*/
usb_status |= dwc->gadget.is_selfpowered;
if (dwc->speed == DWC3_DSTS_SUPERSPEED) {
if ((dwc->speed == DWC3_DSTS_SUPERSPEED) ||
(dwc->speed == DWC3_DSTS_SUPERSPEED_PLUS)) {
reg = dwc3_readl(dwc->regs, DWC3_DCTL);
if (reg & DWC3_DCTL_INITU1ENA)
usb_status |= 1 << USB_DEV_STAT_U1_ENABLED;
@ -426,7 +427,8 @@ static int dwc3_ep0_handle_feature(struct dwc3 *dwc,
case USB_DEVICE_U1_ENABLE:
if (state != USB_STATE_CONFIGURED)
return -EINVAL;
if (dwc->speed != DWC3_DSTS_SUPERSPEED)
if ((dwc->speed != DWC3_DSTS_SUPERSPEED) &&
(dwc->speed != DWC3_DSTS_SUPERSPEED_PLUS))
return -EINVAL;
reg = dwc3_readl(dwc->regs, DWC3_DCTL);
@ -440,7 +442,8 @@ static int dwc3_ep0_handle_feature(struct dwc3 *dwc,
case USB_DEVICE_U2_ENABLE:
if (state != USB_STATE_CONFIGURED)
return -EINVAL;
if (dwc->speed != DWC3_DSTS_SUPERSPEED)
if ((dwc->speed != DWC3_DSTS_SUPERSPEED) &&
(dwc->speed != DWC3_DSTS_SUPERSPEED_PLUS))
return -EINVAL;
reg = dwc3_readl(dwc->regs, DWC3_DCTL);

13
drivers/usb/dwc3/gadget.c
View File

@ -463,7 +463,7 @@ static int dwc3_gadget_set_ep_config(struct dwc3 *dwc, struct dwc3_ep *dep,
| DWC3_DEPCFG_MAX_PACKET_SIZE(usb_endpoint_maxp(desc));
/* Burst size is only needed in SuperSpeed mode */
if (dwc->gadget.speed == USB_SPEED_SUPER) {
if (dwc->gadget.speed >= USB_SPEED_SUPER) {
u32 burst = dep->endpoint.maxburst - 1;
params.param0 |= DWC3_DEPCFG_BURST_SIZE(burst);
@ -1441,7 +1441,8 @@ static int dwc3_gadget_wakeup(struct usb_gadget *g)
reg = dwc3_readl(dwc->regs, DWC3_DSTS);
speed = reg & DWC3_DSTS_CONNECTSPD;
if (speed == DWC3_DSTS_SUPERSPEED) {
if ((speed == DWC3_DSTS_SUPERSPEED) ||
(speed == DWC3_DSTS_SUPERSPEED_PLUS)) {
dwc3_trace(trace_dwc3_gadget, "no wakeup on SuperSpeed\n");
ret = -EINVAL;
goto out;
@ -2340,7 +2341,8 @@ static void dwc3_update_ram_clk_sel(struct dwc3 *dwc, u32 speed)
* this. Maybe it becomes part of the power saving plan.
*/
if (speed != DWC3_DSTS_SUPERSPEED)
if ((speed != DWC3_DSTS_SUPERSPEED) &&
(speed != DWC3_DSTS_SUPERSPEED_PLUS))
return;
/*
@ -2410,8 +2412,9 @@ static void dwc3_gadget_conndone_interrupt(struct dwc3 *dwc)
/* Enable USB2 LPM Capability */
if ((dwc->revision > DWC3_REVISION_194A)
&& (speed != DWC3_DCFG_SUPERSPEED)) {
if ((dwc->revision > DWC3_REVISION_194A) &&
(speed != DWC3_DCFG_SUPERSPEED) &&
(speed != DWC3_DCFG_SUPERSPEED_PLUS)) {
reg = dwc3_readl(dwc->regs, DWC3_DCFG);
reg |= DWC3_DCFG_LPM_CAP;
dwc3_writel(dwc->regs, DWC3_DCFG, reg);