From 4f547472380136718b56064ea5689a61e135f904 Mon Sep 17 00:00:00 2001
From: Jens Glathe <jens.glathe@oldschoolsolutions.biz>
Date: Mon, 24 Oct 2022 17:27:17 +0300
Subject: [PATCH] usb: xhci: add XHCI_SPURIOUS_SUCCESS to ASM1042 despite being a V0.96 controller
Git-commit: 4f547472380136718b56064ea5689a61e135f904
Patch-mainline: v6.1-rc3
References: git-fixes
This appears to fix the error:
"xhci_hcd <address>; ERROR Transfer event TRB DMA ptr not part of
current TD ep_index 2 comp_code 13" that appear spuriously (or pretty
often) when using a r8152 USB3 ethernet adapter with integrated hub.
ASM1042 reports as a 0.96 controller, but appears to behave more like 1.0
Inspired by this email thread: https://markmail.org/thread/7vzqbe7t6du6qsw3
Cc: stable@vger.kernel.org
Signed-off-by: Jens Glathe <jens.glathe@oldschoolsolutions.biz>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20221024142720.4122053-2-mathias.nyman@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/usb/host/xhci-pci.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 40228a3d77a0..6dd3102749b7 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -306,8 +306,14 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
}
if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA &&
- pdev->device == PCI_DEVICE_ID_ASMEDIA_1042_XHCI)
+ pdev->device == PCI_DEVICE_ID_ASMEDIA_1042_XHCI) {
+ /*
+ * try to tame the ASMedia 1042 controller which reports 0.96
+ * but appears to behave more like 1.0
+ */
+ xhci->quirks |= XHCI_SPURIOUS_SUCCESS;
xhci->quirks |= XHCI_BROKEN_STREAMS;
+ }
if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA &&
pdev->device == PCI_DEVICE_ID_ASMEDIA_1042A_XHCI) {
xhci->quirks |= XHCI_TRUST_TX_LENGTH;
--
2.35.3