linux-kernel - [PATCH v2] usb: xHCI: add XHCI_RESET_ON

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Message-ID: <196A709D168A9A04+20240829095028.345047-1-wangyuli@uniontech.com>
Date: Thu, 29 Aug 2024 17:50:28 +0800
From: WangYuli <wangyuli@...ontech.com>
To: mathias.nyman@...el.com,
	gregkh@...uxfoundation.org
Cc: linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-pci@...r.kernel.org,
	guanwentao@...ontech.com,
	WangYuli <wangyuli@...ontech.com>,
	Chen Baozi <chenbaozi@...tium.com.cn>,
	Wang Zhimin <wangzhimin1179@...tium.com.cn>,
	Chen Zhenhua <chenzhenhua@...tium.com.cn>,
	Wang Yinfeng <wangyinfeng@...tium.com.cn>,
	Jiakun Shuai <shuaijiakun1288@...tium.com.cn>
Subject: [PATCH v2] usb: xHCI: add XHCI_RESET_ON_RESUME quirk for Phytium xHCI host

The resume operation of Phytium Px210 xHCI host would failed
to restore state. Use the XHCI_RESET_ON_RESUME quirk to skip
it and reset the controller after resume.

Co-developed-by: Chen Baozi <chenbaozi@...tium.com.cn>
Signed-off-by: Chen Baozi <chenbaozi@...tium.com.cn>
Co-developed-by: Wang Zhimin <wangzhimin1179@...tium.com.cn>
Signed-off-by: Wang Zhimin <wangzhimin1179@...tium.com.cn>
Co-developed-by: Chen Zhenhua <chenzhenhua@...tium.com.cn>
Signed-off-by: Chen Zhenhua <chenzhenhua@...tium.com.cn>
Co-developed-by: Wang Yinfeng <wangyinfeng@...tium.com.cn>
Signed-off-by: Wang Yinfeng <wangyinfeng@...tium.com.cn>
Co-developed-by: Jiakun Shuai <shuaijiakun1288@...tium.com.cn>
Signed-off-by: Jiakun Shuai <shuaijiakun1288@...tium.com.cn>
Signed-off-by: WangYuli <wangyuli@...ontech.com>
---
 drivers/usb/host/xhci-pci.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index b5705ed01d83..fabae8420ce9 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -55,6 +55,9 @@
 #define PCI_DEVICE_ID_INTEL_ALDER_LAKE_PCH_XHCI		0x51ed
 #define PCI_DEVICE_ID_INTEL_ALDER_LAKE_N_PCH_XHCI	0x54ed
 
+#define PCI_VENDOR_ID_PHYTIUM		0x1db7
+#define PCI_DEVICE_ID_PHYTIUM_XHCI			0xdc27
+
 /* Thunderbolt */
 #define PCI_DEVICE_ID_INTEL_MAPLE_RIDGE_XHCI		0x1138
 #define PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_2C_XHCI	0x15b5
@@ -407,6 +410,10 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
 	if (pdev->vendor == PCI_VENDOR_ID_VIA)
 		xhci->quirks |= XHCI_RESET_ON_RESUME;
 
+	if (pdev->vendor == PCI_VENDOR_ID_PHYTIUM ||
+	    pdev->device == PCI_DEVICE_ID_PHYTIUM_XHCI)
+		xhci->quirks |= XHCI_RESET_ON_RESUME;
+
 	/* See https://bugzilla.kernel.org/show_bug.cgi?id=79511 */
 	if (pdev->vendor == PCI_VENDOR_ID_VIA &&
 			pdev->device == 0x3432)
-- 
2.43.4