From: LeoLiu-oc LeoLiu-oc@zhaoxin.com
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: LeoLiu-oc LeoLiu-oc@zhaoxin.com Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Reviewed-by: Hanjun Guo guohanjun@huawei.com Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- drivers/usb/host/xhci-pci.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 471cf3e96032..44dd77343cc1 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -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)