From: "Steinar H. Gunderson" <sesse@debian.org>
To: Benjamin Drung <bdrung@posteo.de>, 918800@bugs.debian.org
Cc: Mathias Nyman <mathias.nyman@intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-usb@vger.kernel.org
Subject: Re: Bug#918800: PROBLEM: USB 3.0 NIC operates only at USB 2.0 speed on Odroid HC1
Date: Wed, 24 Apr 2019 13:25:54 +0200 [thread overview]
Message-ID: <20190424112554.GA35824@sesse.net> (raw)
In-Reply-To: <d720bae86ab67d2387c32444c835cd52b2408e6e.camel@posteo.de>
On Sat, Feb 02, 2019 at 01:39:06PM +0100, Benjamin Drung wrote:
> The Odroid HC1 ARM board contains a JMicron JMS578 USB 3.0 to SATA
> Bridge and a Realtek Gbps Ethernet device connected to an USB 3.0 host.
> The SATA bridge works correctly at USB 3.0 speed, but the Ethernet
> controller operates only at USB 2.0 speed. I tracked this behaviour down
> to the CONFIG_USB_XHCI_PLATFORM kernel configuration.
I have the same problem with the ODROID XU4, which also includes a dwc3 and
an 8152 (it's probably dwc3-specific; the driver has been problematic
before). I haven't checked whether CONFIG_USB_XHCI_PLATFORM=y helps, though.
Linux liadroid 4.19.0-4-armmp-lpae #1 SMP Debian 4.19.28-2 (2019-03-15) armv7l GNU/Linux
/: Bus 06.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M
/: Bus 05.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M
|__ Port 1: Dev 2, If 0, Class=Vendor Specific Class, Driver=r8152, 480M
/: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/2p, 5000M
/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/2p, 480M
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=exynos-ohci/3p, 12M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=exynos-ehci/3p, 480M
/* Steinar */
--
Homepage: https://www.sesse.net/
next parent reply other threads:[~2019-04-24 12:05 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <154704226118.1322.1006713485599467999.reportbug@odroid.bdrung.de>
[not found] ` <d720bae86ab67d2387c32444c835cd52b2408e6e.camel@posteo.de>
2019-04-24 11:25 ` Steinar H. Gunderson [this message]
2019-04-27 13:12 ` Bug#918800: PROBLEM: USB 3.0 NIC operates only at USB 2.0 speed on Odroid HC1 Steinar H. Gunderson
2019-04-27 19:10 ` Steinar H. Gunderson
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