linux-kernel - Re: [PATCH] usbhid: tolerate intermittent errors

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Message-ID: <a31763aa-77af-4e13-8708-b007ed53277c@suse.com>
Date: Mon, 9 Feb 2026 11:06:03 +0100
From: Oliver Neukum <oneukum@...e.com>
To: Liam Mitchell <mitchell.liam@...il.com>, Jiri Kosina <jikos@...nel.org>,
 Benjamin Tissoires <bentiss@...nel.org>
Cc: Alan Stern <stern@...land.harvard.edu>, linux-usb@...r.kernel.org,
 linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usbhid: tolerate intermittent errors

On 08.02.26 18:10, Liam Mitchell wrote:
> Modifies the usbhid error handling logic to better handle intermittent
> errors like EPROTO, which should only need resubmission of URBs and not
> full device reset.
> 
> Reduces initial retry delay from 13ms to 1ms. The faster the URB is
> resubmitted, the lower the chance that user events will be missed.

Hi,

in this case I have to ask the obvious question: Why wait at all?
It would seem to me that if you have spurious or intermittent errors
the right time to retry is immediately.

	Regards
		Oliver