Messages in this thread Patch in this message | | | From | Roger Quadros <> | Subject | [PATCH v6 07/10] usb: dwc3: gadget: Fix suspend/resume during dual-role mode | Date | Mon, 11 Apr 2016 14:35:03 +0300 |
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Gadget controller might not be always active during suspend/ resume when we are operating in dual-role/otg mode. Check if we're active and only if we are then perform necessary actions during suspend/resume.
Signed-off-by: Roger Quadros <rogerq@ti.com> --- drivers/usb/dwc3/gadget.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 83d5c57..1ca5ac0 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2952,6 +2952,9 @@ void dwc3_gadget_exit(struct dwc3 *dwc) int dwc3_gadget_suspend(struct dwc3 *dwc) { + if (!dwc->gadget_driver) + return 0; + if (dwc->pullups_connected) { dwc3_gadget_disable_irq(dwc); dwc3_gadget_run_stop(dwc, true, true); @@ -2970,6 +2973,9 @@ int dwc3_gadget_resume(struct dwc3 *dwc) struct dwc3_ep *dep; int ret; + if (!dwc->gadget_driver) + return 0; + /* Start with SuperSpeed Default */ dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(512); -- 2.5.0
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