Bug 28353 - [devel-5.10] USB: UHCI: adjust zhaoxin UHCI controllers OverCurrent bit value
Summary: [devel-5.10] USB: UHCI: adjust zhaoxin UHCI controllers OverCurrent bit value
Status: NEW
Alias: None
Product: ANCK 5.10 Dev
Classification: ANCK
Component: X86 (show other bugs) X86
Version: unspecified
Hardware: All Linux
: P3-Medium S3-normal
Target Milestone: ---
Assignee: Guanjun
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Reported: 2025-12-22 15:25 UTC by LeoLiu-oc
Modified: 2025-12-22 15:43 UTC (History)
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Description LeoLiu-oc zhaoxin_group 2025-12-22 15:25:42 UTC 
mainline patches: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=dddb342b5b9e482bb213aecc08cbdb201ea4f8da

OverCurrent condition is not standardized in the UHCI spec.
Zhaoxin UHCI controllers report OverCurrent bit active off.
In order to handle OverCurrent condition correctly, the uhci-hcd
driver needs to be told to expect the active-off behavior.
Comment 1 小龙 admin 2025-12-22 15:43:02 UTC 
The PR Link: https://gitee.com/anolis/cloud-kernel/pulls/6245