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Message-Id: <20240529022420.9449-2-ki.chiang65@gmail.com>
Date: Wed, 29 May 2024 10:24:20 +0800
From: Kuangyi Chiang <ki.chiang65@...il.com>
To: mathias.nyman@...el.com,
gregkh@...uxfoundation.org
Cc: linux-usb@...r.kernel.org,
linux-kernel@...r.kernel.org,
ki.chiang65@...il.com,
stable@...r.kernel.org
Subject: [PATCH v3 1/2] xhci: Apply reset resume quirk to Etron EJ188 xHCI host
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@...r.kernel.org>
Signed-off-by: Kuangyi Chiang <ki.chiang65@...il.com>
---
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
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