linux-kernel - [PATCH v2] fix: add XHCI_SPURIOUS_SUCCESS to ASM1042 despite being a V0.96 controller

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Message-Id: <em0b7a6682-2da4-4480-8801-1107ea9756dd@aea403bc.com>
Date:   Sat, 24 Sep 2022 08:16:34 +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 v2] fix: add XHCI_SPURIOUS_SUCCESS to ASM1042 despite being a V0.96
 controller

Hi there,

second 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.

with best regards

Jens Glathe

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v1->v2

intensive use of scripts/checkpatch.pl, reformatted the code
reformatted the commit text for line wraps
View attachment "0001-fix-add-XHCI_SPURIOUS_SUCCESS-to-ASM1042-despite-bei.patch" of type "text/plain" (1614 bytes)