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Message-ID: <1570026066.2472.15.camel@suse.com>
Subject: Re: [RFC PATCH 06/22] thunderbolt: Add support for lane bonding
From:   Oliver Neukum <oneukum@suse.com>
To:     Mika Westerberg <mika.westerberg@linux.intel.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     Anthony Wong <anthony.wong@canonical.com>,
        Mario.Limonciello@dell.com,
        Andreas Noever <andreas.noever@gmail.com>,
        Yehezkel Bernat <YehezkelShB@gmail.com>,
        Michael Jamet <michael.jamet@intel.com>,
        Rajmohan Mani <rajmohan.mani@intel.com>,
        Nicholas Johnson <nicholas.johnson-opensource@outlook.com.au>,
        Alan Stern <stern@rowland.harvard.edu>,
        linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
        Lukas Wunner <lukas@wunner.de>
Date:   Wed, 02 Oct 2019 16:21:06 +0200
In-Reply-To: <20191001125320.GN2714@lahna.fi.intel.com>
References: <20191001113830.13028-1-mika.westerberg@linux.intel.com>
         <20191001113830.13028-7-mika.westerberg@linux.intel.com>
         <20191001123808.GA2954373@kroah.com>
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Am Dienstag, den 01.10.2019, 15:53 +0300 schrieb Mika Westerberg:
> > 
> > Are we only going to be allowed to "bond" two links together?  Or will
> > we be doing more than 2 in the future?  If more, then we might want to
> > think of a different way to specify these...
> 
> AFAICT only two lanes are available in USB4. This goes over USB type-C
> using the two lanes there.
> 
> Of course I don't know if in future there will be USB4 1.1 or something
> that adds more lanes so if you think there is a better way to specify
> these, I'm happy to implement that instead :) 

If this ever can become asymmetric this interface is going to turn
around and bite.

	Regards
		Oliver