From: Sascha Hauer <s.hauer@pengutronix.de>
To: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
barebox@lists.infradead.org
Subject: Re: [PATCH 0/6] Minor USB fixes and xHCI driver
Date: Fri, 25 Jul 2014 09:32:43 +0200 [thread overview]
Message-ID: <20140725073243.GP23235@pengutronix.de> (raw)
In-Reply-To: <1406208526-24261-1-git-send-email-sebastian.hesselbarth@gmail.com>
On Thu, Jul 24, 2014 at 03:28:40PM +0200, Sebastian Hesselbarth wrote:
> This patch set adds initial support for xHCI host controllers either
> as platform_device or PCI attached device. Compared to EHCI, the
> xHCI added even more SW stuff around the host controller interface
> we have to deal with. From a topology point-of-view each xHCI HC
> represents two virtual Root Hubs, one for USB 3.0 and one for USB
> 2.0 with TT.
>
> The xHCI driver currently only supports virtual USB 2.0 ports of the
> xHCI controller. If a USB 3.0 device is used, it has to be connected
> with a USB 2.0 cable, i.e. no SuperSpeed cable. Also, I haven't been
> able to test any USB 1.1 devices, yet. Anyway, I plan to have a look
> at both USB 1.1 and USB 3.0 but still I consider the driver in a
> quite good shape to be released.
Do we have the chance to issue a warning when a device is connected
with a superspeed cable? If not maybe a general warning in the xhci
probe function is a good idea.
Sascha
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next prev parent reply other threads:[~2014-07-25 7:33 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-24 13:28 Sebastian Hesselbarth
2014-07-24 13:28 ` [PATCH 1/6] USB: Fix stale usb devices in usb_device_list Sebastian Hesselbarth
2014-07-24 16:09 ` Sebastian Hesselbarth
2014-07-24 18:51 ` Sebastian Hesselbarth
2014-07-24 13:28 ` [PATCH 2/6] USB: Count detected USB devices independent of dev_index Sebastian Hesselbarth
2014-07-24 13:28 ` [PATCH 3/6] USB: EHCI: use min3 from Linux Sebastian Hesselbarth
2014-07-24 13:28 ` [PATCH 4/6] include: import {lower,upper}_32_bits helpers Sebastian Hesselbarth
2014-07-24 13:28 ` [PATCH 5/6] USB: host: add xHCI HCD, Hub, and platform driver Sebastian Hesselbarth
2014-07-24 13:46 ` Sebastian Hesselbarth
2014-07-24 13:28 ` [PATCH 6/6] USB: host: add xHCI PCI driver Sebastian Hesselbarth
2014-07-24 19:11 ` [PATCH 0/6] Minor USB fixes and xHCI driver Sebastian Hesselbarth
2014-07-25 7:32 ` Sascha Hauer [this message]
2014-07-25 14:40 ` Sebastian Hesselbarth
2014-07-25 15:34 ` Sebastian Hesselbarth
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