linux-kernel - Re: [07/18] thunderbolt: Handle rejected Thunderbolt devices

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Date:   Mon, 26 Feb 2018 12:20:29 +0200
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     Jeremy McNicoll <jmcnicol@...hat.com>
Cc:     linux-kernel@...r.kernel.org,
        Andreas Noever <andreas.noever@...il.com>,
        Michael Jamet <michael.jamet@...el.com>,
        Yehezkel Bernat <yehezkel.bernat@...el.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Mario.Limonciello@...l.com,
        Radion Mirchevsky <radion.mirchevsky@...el.com>
Subject: Re: [07/18] thunderbolt: Handle rejected Thunderbolt devices

On Thu, Feb 22, 2018 at 03:17:38PM -0800, Jeremy McNicoll wrote:
> > +	if (pkg->link_info & ICM_LINK_INFO_REJECTED) {
> > +		tb_info(tb, "switch at %u.%u was rejected by ICM firmware\n",
> > +			link, depth);
> 
> This kind of condition sounds more like an error instead of info.
> Please bump this up to tb_WARN/tb_warn ideally tb_err().

No, this is not an error.

> BTW - why do we have tb_WARN and tb_warn in drivers/thunderbolt/tb.h ?

_WARN dumps out backtrace as well.