From c655557c12ded72a41a8d04e868a10b74d957f22 Mon Sep 17 00:00:00 2001 From: Grigor Tovmasyan Date: Wed, 24 Jan 2018 17:43:58 +0400 Subject: [PATCH] usb: dwc2: Add call_gadget() function call Added call_gadget() function call when entering to L1 state to inform gadget that core is in L1 state. Did the same thing when exiting from L1 state to inform gadget that core is in L0 state. Signed-off-by: Grigor Tovmasyan Signed-off-by: Felipe Balbi --- drivers/usb/dwc2/core_intr.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/usb/dwc2/core_intr.c b/drivers/usb/dwc2/core_intr.c index a8e43948f807..46b32ec7d343 100644 --- a/drivers/usb/dwc2/core_intr.c +++ b/drivers/usb/dwc2/core_intr.c @@ -381,6 +381,9 @@ static void dwc2_wakeup_from_lpm_l1(struct dwc2_hsotg *hsotg) /* Change to L0 state */ hsotg->lx_state = DWC2_L0; + + /* Inform gadget to exit from L1 */ + call_gadget(hsotg, resume); } /* @@ -589,6 +592,9 @@ static void dwc2_handle_lpm_intr(struct dwc2_hsotg *hsotg) hsotg->lx_state = DWC2_L1; dev_dbg(hsotg->dev, "Core is in L1 sleep glpmcfg=%08x\n", glpmcfg); + + /* Inform gadget that we are in L1 state */ + call_gadget(hsotg, suspend); } } } -- GitLab