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From: Saravana Kannan <saravanak@google.com>
To: Linus Walleij <linus.walleij@linaro.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Rob Herring <robh+dt@kernel.org>,
	Frank Rowand <frowand.list@gmail.com>,
	linux-tegra <linux-tegra@vger.kernel.org>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	Jon Hunter <jonathanh@nvidia.com>,
	Android Kernel Team <kernel-team@android.com>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
	<devicetree@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v1] of: property: Add fw_devlink support for "gpio" and "gpios" binding
Date: Mon, 18 Jan 2021 14:11:51 -0800	[thread overview]
Message-ID: <CAGETcx9t3R-k0ttiaBUqcveqnXMX75xuTcKPSo9J6WJOfgSP8w@mail.gmail.com> (raw)
In-Reply-To: <CACRpkdYrzaFuWkbTe7Fmos4Bk4Ojt6wbqayDjyrS7sf98P-Rbg@mail.gmail.com>

On Mon, Jan 18, 2021 at 7:32 AM Linus Walleij <linus.walleij@linaro.org> wrote:
>
> On Fri, Jan 15, 2021 at 10:02 PM Saravana Kannan <saravanak@google.com> wrote:
>
> > To provide backward compatibility for boards that use deprecated DT
> > bindings, we need to add fw_devlink support for "gpio" and "gpios".
> >
> > Cc: linux-tegra <linux-tegra@vger.kernel.org>
> > Cc: Linus Walleij <linus.walleij@linaro.org>
> > Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
> > Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> > Fixes: e590474768f1 ("driver core: Set fw_devlink=on by default")
> > Tested-by: Jon Hunter <jonathanh@nvidia.com>
> > Signed-off-by: Saravana Kannan <saravanak@google.com>
>
> "gpios" is a valid non legacy property I think.

I checked :) Quoting the documentation [1]:
"While a non-existent <name> is considered valid for compatibility
reasons (resolving to the "gpios" property), it is not allowed for new
bindings."

[1] - https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/devicetree/bindings/gpio/gpio.txt#n8

> Anyways:
> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>

Thanks!

Greg/Rob,

Can we pull this into driver-core-next please? It fixes issues on some
boards with fw_devlink=on.

-Saravana

  reply	other threads:[~2021-01-18 22:13 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-15 21:01 [PATCH v1] of: property: Add fw_devlink support for "gpio" and "gpios" binding Saravana Kannan
2021-01-18 15:32 ` Linus Walleij
2021-01-18 22:11   ` Saravana Kannan [this message]
2021-01-19  8:50     ` Geert Uytterhoeven
2021-01-19 10:20       ` Linus Walleij
2021-01-19 17:52         ` Thierry Reding
2021-01-19 17:53         ` Saravana Kannan
2021-01-19 18:10           ` Geert Uytterhoeven
2021-01-19 18:18             ` Saravana Kannan
2021-01-19 18:32               ` Geert Uytterhoeven
2021-01-19 18:47                 ` Saravana Kannan

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