netdev - Re: [PATCH v2 2/9] net: arc_emac: add phy reset is optional for device tree

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Date:	Sun, 13 Mar 2016 17:30:14 +0300
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Caesar Wang <wxt@...k-chips.com>, Heiko Stuebner <heiko@...ech.de>,
	"David S. Miller" <davem@...emloft.net>,
	Rob Herring <robh+dt@...nel.org>
Cc:	linux-rockchip@...ts.infradead.org, keescook@...gle.com,
	leozwang@...gle.com, netdev@...r.kernel.org,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/9] net: arc_emac: add phy reset is optional for
 device tree

Hello.

On 3/13/2016 12:07 PM, Caesar Wang wrote:

> This patch adds the following property for arc_emac.
>
> 1) reset-gpios:
> The phy reset-gpio is an optional property for arc emac device tree boot.
> Change the binding document to match the driver code.
>
> 2) phy-reset-duration:
> Different boards may require different phy reset duration. Add property
> phy-reset-duration for device tree probe, so that the boards that need
> a longer reset duration can specify it in their device tree.
>
> Anyway, we can add the above property for arc emac.
>
> Signed-off-by: Caesar Wang <wxt@...k-chips.com>
> ---
>
> Changes in v2: None

    Not true -- you renamed the reset prop.

>   Documentation/devicetree/bindings/net/arc_emac.txt | 7 +++++++
>   1 file changed, 7 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/net/arc_emac.txt b/Documentation/devicetree/bindings/net/arc_emac.txt
> index a1d71eb..8e84b52 100644
> --- a/Documentation/devicetree/bindings/net/arc_emac.txt
> +++ b/Documentation/devicetree/bindings/net/arc_emac.txt
> @@ -7,6 +7,13 @@ Required properties:
>   - max-speed: see ethernet.txt file in the same directory.
>   - phy: see ethernet.txt file in the same directory.
>
> +Optional properties:
> +- reset-gpios : Should specify the gpio for phy reset

    Please leave the old name, "phy-reset-gpios" was surely better.

[...]

MBR, Sergei