[PATCH v3 1/2] xhci: Apply reset resume quirk to Etron EJ188 xHCI host

From: Kuangyi Chiang
Date: Tue May 28 2024 - 22:25:07 EST


As described in commit c877b3b2ad5c ("xhci: Add reset on resume quirk for
asrock p67 host"), EJ188 have the same issue as EJ168, where completely
dies on resume. So apply XHCI_RESET_ON_RESUME quirk to EJ188 as well.

Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Kuangyi Chiang <ki.chiang65@xxxxxxxxx>
---
Changes in v3:
- Fix coding style

Changes in v2:
- Porting to latest release

drivers/usb/host/xhci-pci.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index c040d816e626..dd8256e4e02a 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -36,6 +36,7 @@

#define PCI_VENDOR_ID_ETRON 0x1b6f
#define PCI_DEVICE_ID_EJ168 0x7023
+#define PCI_DEVICE_ID_EJ188 0x7052

#define PCI_DEVICE_ID_INTEL_LYNXPOINT_XHCI 0x8c31
#define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI 0x9c31
@@ -395,6 +396,10 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
xhci->quirks |= XHCI_RESET_ON_RESUME;
xhci->quirks |= XHCI_BROKEN_STREAMS;
}
+ if (pdev->vendor == PCI_VENDOR_ID_ETRON &&
+ pdev->device == PCI_DEVICE_ID_EJ188)
+ xhci->quirks |= XHCI_RESET_ON_RESUME;
+
if (pdev->vendor == PCI_VENDOR_ID_RENESAS &&
pdev->device == 0x0014) {
xhci->quirks |= XHCI_ZERO_64B_REGS;
--
2.25.1