From 6b3261a274285916720e91bfbfdb3505555daa76 Mon Sep 17 00:00:00 2001 From: Roger Quadros Date: Tue, 4 Apr 2017 11:25:27 +0300 Subject: [PATCH] usb: dwc3: core: add current_dr_role member We're going to use this member to track which role we're currently playing, that way we can more easily implement dual-role swap in upcoming patches. Signed-off-by: Roger Quadros Signed-off-by: Felipe Balbi --- drivers/usb/dwc3/core.c | 2 ++ drivers/usb/dwc3/core.h | 2 ++ 2 files changed, 4 insertions(+) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 56f136784cd3..68e6a7b6fd81 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -108,6 +108,8 @@ void dwc3_set_mode(struct dwc3 *dwc, u32 mode) reg &= ~(DWC3_GCTL_PRTCAPDIR(DWC3_GCTL_PRTCAP_OTG)); reg |= DWC3_GCTL_PRTCAPDIR(mode); dwc3_writel(dwc->regs, DWC3_GCTL, reg); + + dwc->current_dr_role = mode; } u32 dwc3_core_fifo_space(struct dwc3_ep *dep, u8 type) diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index d3b824912120..3464dbfe153b 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -781,6 +781,7 @@ struct dwc3_scratchpad_array { * @maximum_speed: maximum speed requested (mainly for testing purposes) * @revision: revision register contents * @dr_mode: requested mode of operation + * @current_dr_role: current role of operation when in dual-role mode * @hsphy_mode: UTMI phy mode, one of following: * - USBPHY_INTERFACE_MODE_UTMI * - USBPHY_INTERFACE_MODE_UTMIW @@ -891,6 +892,7 @@ struct dwc3 { size_t regs_size; enum usb_dr_mode dr_mode; + u32 current_dr_role; enum usb_phy_interface hsphy_mode; u32 fladj; -- 2.20.1