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usb: dwc3: add in_lpm flag to struct dwc3

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This change provides the gadget with awareness regarding
the vendor-specific's low-power-mode status. This is done
in order to enable proper decision making regarding cases
where the gadget would potentially attempt to interface the
hardware when it's in lpm.

Change-Id: I1508fbddd13228fbb7d6d53d91d98a0acaaf3fd7
Signed-off-by: Bar Weiner <bweiner@codeaurora.org>
This commit is contained in:
Bar Weiner 2014-05-13 15:13:19 +03:00 • committed by David Keitel
parent 87ac720b8a
commit 01edad63c9
1 changed files with 3 additions and 0 deletions
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3
drivers/usb/dwc3/core.h
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@ -797,6 +797,7 @@ struct dwc3_scratchpad_array {
* 2 - No de-emphasis * 2 - No de-emphasis
* 3 - Reserved * 3 - Reserved
* @err_evt_seen: previous event in queue was erratic error * @err_evt_seen: previous event in queue was erratic error
* @in_lpm: indicates if controller is in low power mode (no clocks)
*/ */
struct dwc3 { struct dwc3 {
struct usb_ctrlrequest *ctrl_req; struct usb_ctrlrequest *ctrl_req;
@ -946,6 +947,8 @@ struct dwc3 {
unsigned err_evt_seen:1; unsigned err_evt_seen:1;
struct dwc3_gadget_events dbg_gadget_events; struct dwc3_gadget_events dbg_gadget_events;
atomic_t in_lpm;
}; };
/* -------------------------------------------------------------------------- */ /* -------------------------------------------------------------------------- */