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authorJingwu Lin <jingwu.lin@intel.com>2015-04-29 23:09:17 +0300
committerFelipe Balbi <balbi@ti.com>2015-04-29 23:20:05 +0300
commit96d480e65ea0e4e950f75029b8a1ff4c1269f8b0 (patch)
tree7c1eae6686b9f842bdf96a73daa406943ae0bac8 /drivers/usb/dwc2
parentdb62b9a804b465f5050438eb06151c99c625ec9a (diff)
downloadlinux-96d480e65ea0e4e950f75029b8a1ff4c1269f8b0.tar.xz
usb: dwc2: host: implement test mode
Add support for SetPortFeature(PORT_TEST) for root port. Acked-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Jingwu Lin <jingwu.lin@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/dwc2')
-rw-r--r--drivers/usb/dwc2/hcd.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index 745230d0d8b3..4773d2770363 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -1779,6 +1779,15 @@ static int dwc2_hcd_hub_control(struct dwc2_hsotg *hsotg, u16 typereq,
/* Not supported */
break;
+ case USB_PORT_FEAT_TEST:
+ hprt0 = dwc2_read_hprt0(hsotg);
+ dev_dbg(hsotg->dev,
+ "SetPortFeature - USB_PORT_FEAT_TEST\n");
+ hprt0 &= ~HPRT0_TSTCTL_MASK;
+ hprt0 |= (windex >> 8) << HPRT0_TSTCTL_SHIFT;
+ writel(hprt0, hsotg->regs + HPRT0);
+ break;
+
default:
retval = -EINVAL;
dev_err(hsotg->dev,