From: Rob Herring <robh@kernel.org>
To: Christophe Leroy <christophe.leroy@c-s.fr>
Cc: Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org,
Linus Walleij <linus.walleij@linaro.org>,
linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org,
Mark Brown <broonie@kernel.org>,
Paul Mackerras <paulus@samba.org>,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] powerpc/devicetrees: Change 'gpios' to 'cs-gpios' on fsl,spi nodes
Date: Fri, 13 Dec 2019 15:34:18 -0600 [thread overview]
Message-ID: <20191213213418.GA17361@bogus> (raw)
In-Reply-To: <7556683b57d8ce100855857f03d1cd3d2903d045.1574943062.git.christophe.leroy@c-s.fr>
On Thu, Nov 28, 2019 at 12:16:35PM +0000, Christophe Leroy wrote:
> Since commit 0f0581b24bd0 ("spi: fsl: Convert to use CS GPIO
> descriptors"), the prefered way to define chipselect GPIOs is using
> 'cs-gpios' property instead of the legacy 'gpios' property.
This will break using a new dtb on a kernel without the above commit. Or
with any OS that never made the change.
I'm fine with the doc change, but you should keep 'gpios' as deprecated.
>
> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
> ---
> Documentation/devicetree/bindings/spi/fsl-spi.txt | 8 ++++----
> arch/powerpc/boot/dts/mgcoge.dts | 2 +-
> arch/powerpc/boot/dts/mpc832x_rdb.dts | 2 +-
> arch/powerpc/boot/dts/mpc8610_hpcd.dts | 2 +-
> 4 files changed, 7 insertions(+), 7 deletions(-)
next prev parent reply other threads:[~2019-12-13 21:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-28 12:16 [PATCH] powerpc/devicetrees: Change 'gpios' to 'cs-gpios' on fsl, spi nodes Christophe Leroy
2019-11-28 12:21 ` [PATCH] powerpc/devicetrees: Change 'gpios' to 'cs-gpios' on fsl,spi nodes Linus Walleij
2019-12-13 21:34 ` Rob Herring [this message]
2019-12-14 7:30 ` Christophe Leroy
2020-01-29 5:17 ` [PATCH] powerpc/devicetrees: Change 'gpios' to 'cs-gpios' on fsl, spi nodes Michael Ellerman
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