From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Warren <swarren@wwwdotorg.org>
Date: Thu, 21 Mar 2013 00:18:42 -0600
Subject: [U-Boot] [PATCH 1/1 v3] console: USB: KBD: Fix incorrect
 autoboot timeout
In-Reply-To: <514A4CBA.1040203@ti.com>
References: <1359025555-15119-1-git-send-email-jilin@nvidia.com>
	<514A4CBA.1040203@ti.com>
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To: u-boot@lists.denx.de

On 03/20/2013 05:56 PM, Jon Hunter wrote:
> 
> On 01/24/2013 05:05 AM, Jim Lin wrote:
>> Autoboot timeout defined by CONFIG_BOOTDELAY will not be accurate if
>> CONFIG_USB_KEYBOARD and CONFIG_SYS_USB_EVENT_POLL are defined in
>> configuration file and when tstc() function for checking key pressed
>> takes longer time than 10 ms (e.g., 50 ms) to finish.
...
> This change is causing problems with auto-delay on one of my boards by
> making it inaccurate :-(

Interesting. I just noticed the same problem, and posted the following
patch to fix it:

http://lists.denx.de/pipermail/u-boot/2013-March/149625.html

This was on the Raspberry Pi.