Commit 3566cb1c authored by LeoLiu-oc's avatar LeoLiu-oc Committed by Zheng Zengkai
Browse files

xhci: fix issue with resume from system Sx state 

zhaoxin inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I40QDN


CVE: NA

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On Zhaoxin ZX-100 project, xHCI can't work normally after resume
from system Sx state. To fix this issue, when resume from system
sx state, reinitialize xHCI instead of restore.

Signed-off-by: default avatarLeoLiu-oc <LeoLiu-oc@zhaoxin.com>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
Reviewed-by: default avatarHanjun Guo <guohanjun@huawei.com>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parent 4076ae66

drivers/usb/host/xhci-pci.c

+3 −0
Original line number Diff line number Diff line
@@ -307,6 +307,9 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) 
	if (pdev->vendor == PCI_VENDOR_ID_TI && pdev->device == 0x8241)

		xhci->quirks |= XHCI_LIMIT_ENDPOINT_INTERVAL_7;



	if (pdev->vendor == PCI_VENDOR_ID_ZHAOXIN && pdev->device == 0x9202)

		xhci->quirks |= XHCI_RESET_ON_RESUME;



	if ((pdev->vendor == PCI_VENDOR_ID_BROADCOM ||

	     pdev->vendor == PCI_VENDOR_ID_CAVIUM) &&

	     pdev->device == 0x9026)