From: Felipe Balbi <balbi@ti.com>
Date: Fri, 8 Feb 2013 15:55:58 +0000 (+0200)
Subject: usb: dwc3: gadget: save state of pullups
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=9fcb3bd8d12db29c101d3722d37ddef9d1915317;p=deliverable%2Flinux.git

usb: dwc3: gadget: save state of pullups

This will be used during resume to verify
if we should reconnect our pullups or not.

Tested-by: Vivek Gautam <gautam.vivek@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
---

diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index b41750660235..35e4d3c01ed0 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -704,6 +704,7 @@ struct dwc3 {
 	unsigned		delayed_status:1;
 	unsigned		needs_fifo_resize:1;
 	unsigned		resize_fifos:1;
+	unsigned		pullups_connected:1;
 
 	enum dwc3_ep0_next	ep0_next_event;
 	enum dwc3_ep0_state	ep0state;
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index db2031725abc..04e4812fe2f9 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1425,8 +1425,10 @@ static int dwc3_gadget_run_stop(struct dwc3 *dwc, int is_on)
 		if (dwc->revision >= DWC3_REVISION_194A)
 			reg &= ~DWC3_DCTL_KEEP_CONNECT;
 		reg |= DWC3_DCTL_RUN_STOP;
+		dwc->pullups_connected = true;
 	} else {
 		reg &= ~DWC3_DCTL_RUN_STOP;
+		dwc->pullups_connected = false;
 	}
 
 	dwc3_writel(dwc->regs, DWC3_DCTL, reg);