linux-kernel - Re: [PATCH v3] USB: PHY: Re-organize Tegra USB PHY driver

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Date:	Fri, 21 Sep 2012 11:46:00 -0600
From:	Stephen Warren <swarren@...dotorg.org>
To:	Venu Byravarasu <vbyravarasu@...dia.com>
CC:	balbi@...com, gregkh@...uxfoundation.org,
	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH v3] USB: PHY: Re-organize Tegra USB PHY driver

On 09/21/2012 06:20 AM, Venu Byravarasu wrote:
> NVIDIA produces several Tegra SoCs viz Tegra20, Tegra30 etc.
> In order to support USB PHY drivers on these SoCs, existing
> PHY driver is split into SoC agnostic common USB PHY driver
> and Tegra20-specific USB phy driver. This will facilitate
> easy addition and deletion of phy drivers for Tegra SoCs.
> 
> Signed-off-by: Venu Byravarasu <vbyravarasu@...dia.com>

Tested-by: Stephen Warren <swarren@...dia.com>

> ---
> delta from v2:
> 
> Added an if condition to check for device_node to be not NULL,
> before dereferencing it.

I suppose that doesn't hurt, but it's not strictly needed; this code
will only ever run on systems that boot using device tree now.

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