linux-kernel - [PATCH] fix: add XHCI_SPURIOUS_SUCCESS to ASM1042 despite being a V0.96 controller

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Date:   Tue, 30 Aug 2022 16:31:47 +0000
From:   "Jens Glathe" <jens.glathe@...schoolsolutions.biz>
To:     mathias.nyman@...el.com
Cc:     gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] fix: add XHCI_SPURIOUS_SUCCESS to ASM1042 despite being a V0.96
 controller

Hi there,

first try at a patch which was an actual pain with my Lenovo T500 
notebook, augmented with an USB3 PCMCIA card that has an ASM1042 chip. 
Inspired by this email thread: 
https://markmail.org/thread/7vzqbe7t6du6qsw3

ASM1042 identifies as a 0x96 XHCI host, brings spurious transfer event 
errors with a r8152 (Realtek 8153a) USB3 enthernet adapter. Additionally 
setting quirk XHCI_SPURIOUS_SUCCESS seems to resolve this issue in this 
case.

wiith best regards

Jens Glathe
View attachment "0001-fix-add-XHCI_SPURIOUS_SUCCESS-to-ASM1042-despite-bei.patch" of type "text/plain" (1421 bytes)