linux-kernel - Re: [PATCH] ARM: dts: sun7i: add pinctrl for missing uart mux options

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20190220124623.ayurp2juq7dvxw64@flea>
Date:   Wed, 20 Feb 2019 13:46:23 +0100
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Måns Rullgård <mans@...sr.com>
Cc:     Chen-Yu Tsai <wens@...e.org>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ARM: dts: sun7i: add pinctrl for missing uart mux options

Hi,

On Wed, Feb 20, 2019 at 10:59:58AM +0000, Måns Rullgård wrote:
> Maxime Ripard <maxime.ripard@...tlin.com> writes:
> 
> > On Wed, Feb 20, 2019 at 04:58:49PM +0800, Chen-Yu Tsai wrote:
> >> On Sun, Feb 17, 2019 at 2:21 AM Mans Rullgard <mans@...sr.com> wrote:
> >> >
> >> > This adds pinctrl settings for various missing uart options.
> >> >
> >> > Signed-off-by: Mans Rullgard <mans@...sr.com>
> >> > ---
> >> >  arch/arm/boot/dts/sun7i-a20.dtsi | 45 ++++++++++++++++++++++++++++++++
> >> >  1 file changed, 45 insertions(+)
> >> >
> >> > diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
> >> > index af5b067a5f83..2295ff5adf48 100644
> >> > --- a/arch/arm/boot/dts/sun7i-a20.dtsi
> >> > +++ b/arch/arm/boot/dts/sun7i-a20.dtsi
> >> > @@ -944,6 +944,31 @@
> >> >                                 function = "uart0";
> >> >                         };
> >> >
> >> > +                       uart0_pf_pins: uart0-pf-pins {
> >> > +                               pins = "PF2", "PF4";
> >> > +                               function = "uart0";
> >> > +                       };
> >> 
> >> We've had the policy of not adding pinctrl nodes that aren't used in-tree,
> >> to avoid bloating up the blob size. However DTC 1.4.7 introduced the new
> >> /omit-if-no-ref/ directive, which would make the compiler discard marked
> >> nodes if they aren't referenced.
> >> 
> >> So please add this to all the new nodes. It seems to work regardless whether
> >> you add it before or after the label, though having it after the label seems
> >> to make vim syntax highlighting happier.
> 
> Should we also add this to existing nodes?

If you want to send an additional patch, then yes sure :)

Maxime

-- 
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

Download attachment "signature.asc" of type "application/pgp-signature" (229 bytes)