From: andrew@lunn.ch (Andrew Lunn)
To: linux-arm-kernel@lists.infradead.org
Subject: [ehci-orion] ETIMEOUT with ehci_setup()'s ehci_halt()
Date: Thu, 18 Jun 2015 03:29:38 +0200 [thread overview]
Message-ID: <20150618012938.GD22072@lunn.ch> (raw)
In-Reply-To: <557FE719.8040609@keymile.com>
> One final update on this topic: the kernel config was missing the
> CONFIG_USB_EHCI_ROOT_HUB_TT option. It turns out that the USB IP embeded a
> Transaction Translator and there is a check in ehci_halt() that aborts the
> routine in case of a Transaction Translator in the ehci controller. The check
> however only works in the above option is enabled.
Maybe it would be worth detecting this and issuing a warning?
Andrew
prev parent reply other threads:[~2015-06-18 1:29 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-05 14:34 [ehci-orion] ETIMEOUT with ehci_setup()'s ehci_halt() Valentin Longchamp
2015-06-05 15:19 ` Andrew Lunn
2015-06-06 12:17 ` Sebastian Hesselbarth
2015-06-08 11:46 ` Valentin Longchamp
2015-06-12 11:37 ` Valentin Longchamp
2015-06-16 9:06 ` Valentin Longchamp
2015-06-18 1:29 ` Andrew Lunn [this message]
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