From fa389a6d77264ae1b1263dc83c63503593e21ca9 Mon Sep 17 00:00:00 2001 From: Vardan Mikayelyan Date: Fri, 16 Feb 2018 14:08:53 +0400 Subject: [PATCH] usb: dwc2: gadget: Add remote_wakeup_allowed flag It will be set once corresponding set_feature command comes. True if device is allowed to wake-up host by remote-wakeup signalling. This is preparation for remote wake-up support implementation, it will not be implemented until gadget stack provide interface for bringing remote wake-up signalling. Signed-off-by: Vardan Mikayelyan Signed-off-by: John Youn Signed-off-by: Grigor Tovmasyan Signed-off-by: Felipe Balbi --- drivers/usb/dwc2/core.h | 3 +++ drivers/usb/dwc2/gadget.c | 5 +++++ 2 files changed, 8 insertions(+) diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h index 31b1be0..3c9dcf3 100644 --- a/drivers/usb/dwc2/core.h +++ b/drivers/usb/dwc2/core.h @@ -928,6 +928,8 @@ struct dwc2_hregs_backup { * @ctrl_req: Request for EP0 control packets. * @ep0_state: EP0 control transfers state * @test_mode: USB test mode requested by the host + * @remote_wakeup_allowed: True if device is allowed to wake-up host by + * remote-wakeup signalling * @setup_desc_dma: EP0 setup stage desc chain DMA address * @setup_desc: EP0 setup stage desc chain pointer * @ctrl_in_desc_dma: EP0 IN data phase desc chain DMA address @@ -1082,6 +1084,7 @@ struct dwc2_hsotg { struct usb_gadget gadget; unsigned int enabled:1; unsigned int connected:1; + unsigned int remote_wakeup_allowed:1; struct dwc2_hsotg_ep *eps_in[MAX_EPS_CHANNELS]; struct dwc2_hsotg_ep *eps_out[MAX_EPS_CHANNELS]; #endif /* CONFIG_USB_DWC2_PERIPHERAL || CONFIG_USB_DWC2_DUAL_ROLE */ diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index 379d6e1..838e092 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -1640,6 +1640,10 @@ static int dwc2_hsotg_process_req_feature(struct dwc2_hsotg *hsotg, switch (recip) { case USB_RECIP_DEVICE: switch (wValue) { + case USB_DEVICE_REMOTE_WAKEUP: + hsotg->remote_wakeup_allowed = 1; + break; + case USB_DEVICE_TEST_MODE: if ((wIndex & 0xff) != 0) return -EINVAL; @@ -4624,6 +4628,7 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg) hsotg->gadget.max_speed = USB_SPEED_HIGH; hsotg->gadget.ops = &dwc2_hsotg_gadget_ops; hsotg->gadget.name = dev_name(dev); + hsotg->remote_wakeup_allowed = 0; if (hsotg->params.lpm) hsotg->gadget.lpm_capable = true; -- 2.7.4