From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marek Vasut <marex@denx.de>
Date: Fri, 21 Aug 2015 07:34:50 +0200
Subject: [U-Boot] [PATCH] usb: ehci: remember init mode
In-Reply-To: <1440113885-24882-1-git-send-email-swarren@wwwdotorg.org>
References: <1440113885-24882-1-git-send-email-swarren@wwwdotorg.org>
Message-ID: <201508210734.50164.marex@denx.de>
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To: u-boot@lists.denx.de

On Friday, August 21, 2015 at 01:38:05 AM, Stephen Warren wrote:
> From: Stephen Warren <swarren@nvidia.com>
> 
> When an EHCI device is registered in device mode, the HW isn't actually
> initialized at all, and hence isn't left in a running state. Consequently,
> when the device is deregistered, ehci_shutdown() will fail, since the HW
> bits it expects to see set in response to its shutdown requests will not
> be sent, and the message "EHCI failed to shut down host controller." will
> be printed.
> 
> Fix ehci-hcd.c to remember whether the device was registered in host or
> device mode, and only call ehci_shutdown() for host mode registrations.

Hi,

Shouldn't you instead check if the controller is running or not and shut
it down based on that ?

Best regards,
Marek Vasut