linux-kernel - Re: [PATCH v2] usb: reduce kernel log spam on driver registration

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Message-ID: <CAMj1kXFuzXPmah+bO+tORQSWnBn_YktDA716FJA=_Psez0OTmg@mail.gmail.com>
Date:   Mon, 5 Sep 2022 13:17:55 +0200
From:   Ard Biesheuvel <ardb@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-usb@...r.kernel.org, Alan Stern <stern@...land.harvard.edu>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Avi Fishman <avifishman70@...il.com>,
        Tomer Maimon <tmaimon77@...il.com>,
        Tali Perry <tali.perry1@...il.com>,
        Patrick Venture <venture@...gle.com>,
        Nancy Yuen <yuenn@...gle.com>,
        Benjamin Fair <benjaminfair@...gle.com>,
        Patrice Chotard <patrice.chotard@...s.st.com>,
        Vladimir Zapolskiy <vz@...ia.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-samsung-soc@...r.kernel.org, linux-omap@...r.kernel.org,
        Rob Herring <robh@...nel.org>
Subject: Re: [PATCH v2] usb: reduce kernel log spam on driver registration

On Mon, 5 Sept 2022 at 13:07, Greg Kroah-Hartman
<gregkh@...uxfoundation.org> wrote:
>
> On Mon, Sep 05, 2022 at 12:52:52PM +0200, Ard Biesheuvel wrote:
> > Drivers are typically supposed to be quiet unless they are actually
> > probed, but for some reason, USB host controllers seem to be exempt from
> > this rule, and happily broadcast their existence into the kernel log at
> > boot even if the hardware in question is nowhere to be found.
> >
> > Let's fix that, and remove these pr_info() calls.
> >
> > Cc: Alan Stern <stern@...land.harvard.edu>
> > Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> > Cc: Nicolas Ferre <nicolas.ferre@...rochip.com>
> > Cc: Alexandre Belloni <alexandre.belloni@...tlin.com>
> > Cc: Claudiu Beznea <claudiu.beznea@...rochip.com>
> > Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> > Cc: Alim Akhtar <alim.akhtar@...sung.com>
> > Cc: Avi Fishman <avifishman70@...il.com>
> > Cc: Tomer Maimon <tmaimon77@...il.com>
> > Cc: Tali Perry <tali.perry1@...il.com>
> > Cc: Patrick Venture <venture@...gle.com>
> > Cc: Nancy Yuen <yuenn@...gle.com>
> > Cc: Benjamin Fair <benjaminfair@...gle.com>
> > Cc: Patrice Chotard <patrice.chotard@...s.st.com>
> > Cc: Vladimir Zapolskiy <vz@...ia.com>
> > Cc: linux-usb@...r.kernel.org
> > Cc: linux-arm-kernel@...ts.infradead.org
> > Cc: linux-kernel@...r.kernel.org
> > Cc: linux-samsung-soc@...r.kernel.org
> > Cc: linux-omap@...r.kernel.org
> > Signed-off-by: Ard Biesheuvel <ardb@...nel.org>
> > Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> > Acked-by: Alan Stern <stern@...land.harvard.edu>
> > Reviewed-by: Rob Herring <robh@...nel.org>
> > Reviewed-by: Alim Akhtar <alim.akhtar@...sung.com>
> > ---
> > v2: - drop another couple of occurrences pointed out by Robert
> >     - drop hcd_name variables as well if the only reference to them is
> >       being dropped
> >     - pick up acks
>
> I've already applied your first version, so can you rebase this against
> linux-next and send just the fixups?
>

OK