openwrt/target/linux/ipq806x/patches-4.4/096-04-usb-dwc3-DWC_usb31-controller-check.patch
Kevin Darbyshire-Bryant 102cb4742c kernel: bump to 4.4.35
Refresh patches on all 4.4 supported platforms.

077-0005-bgmac-stop-clearing-DMA-receive-control-register-rig.patch
removed as now upstream.

Compile & run tested: ar71xx - Archer C7 v2

Signed-off-by: Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
2016-11-29 21:12:08 +01:00

29 lines
978 B
Diff

From c4137a9c841ec7fb300782d211f2d6907f4d6e20 Mon Sep 17 00:00:00 2001
From: John Youn <John.Youn@synopsys.com>
Date: Fri, 5 Feb 2016 17:08:18 -0800
Subject: usb: dwc3: DWC_usb31 controller check
Add a convenience function to check if the controller is DWC_usb31.
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
---
drivers/usb/dwc3/core.h | 6 ++++++
1 file changed, 6 insertions(+)
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -1021,6 +1021,12 @@ struct dwc3_gadget_ep_cmd_params {
void dwc3_set_mode(struct dwc3 *dwc, u32 mode);
int dwc3_gadget_resize_tx_fifos(struct dwc3 *dwc);
+/* check whether we are on the DWC_usb31 core */
+static inline bool dwc3_is_usb31(struct dwc3 *dwc)
+{
+ return !!(dwc->revision & DWC3_REVISION_IS_DWC31);
+}
+
#if IS_ENABLED(CONFIG_USB_DWC3_HOST) || IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE)
int dwc3_host_init(struct dwc3 *dwc);
void dwc3_host_exit(struct dwc3 *dwc);