linux-kernel - [PATCH 1/3] xhci: Add a quirk for zhaoxin xhci to fix issues.

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Message-ID: <20230420172130.375819-2-WeitaoWang-oc@zhaoxin.com>
Date:   Fri, 21 Apr 2023 01:21:28 +0800
From:   Weitao Wang <WeitaoWang-oc@...oxin.com>
To:     <gregkh@...uxfoundation.org>, <mathias.nyman@...el.com>,
        <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     <tonywwang@...oxin.com>, <weitaowang@...oxin.com>
Subject: [PATCH 1/3] xhci: Add a quirk for zhaoxin xhci to fix issues.

Add a quirk for zhaoxin xhci to fix issues, there are
two cases will be used.
- add u1/u2 support.
- fix xHCI root hub speed show issue in zhaoxin platform.

Signed-off-by: Weitao Wang <WeitaoWang-oc@...oxin.com>
---
 drivers/usb/host/xhci.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 786002bb35db..d95980fb5bd9 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1905,6 +1905,7 @@ struct xhci_hcd {
 #define XHCI_EP_CTX_BROKEN_DCS	BIT_ULL(42)
 #define XHCI_SUSPEND_RESUME_CLKS	BIT_ULL(43)
 #define XHCI_RESET_TO_DEFAULT	BIT_ULL(44)
+#define XHCI_ZHAOXIN_HOST	BIT_ULL(46)
 
 	unsigned int		num_active_eps;
 	unsigned int		limit_active_eps;
-- 
2.32.0