linux-kernel - Re: [PATCH 8/9] ata: Add support for the Tegra124 SATA controller

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Date:	Thu, 5 Jun 2014 07:18:10 -0500
From:	Rob Herring <robherring2@...il.com>
To:	Mikko Perttunen <mperttunen@...dia.com>
Cc:	Stephen Warren <swarren@...dotorg.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Tejun Heo <tj@...nel.org>,
	Peter De Schrijver <pdeschrijver@...dia.com>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	linux-ide@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 8/9] ata: Add support for the Tegra124 SATA controller

On Wed, Jun 4, 2014 at 6:32 AM, Mikko Perttunen <mperttunen@...dia.com> wrote:
> This adds support for the integrated AHCI-compliant Serial ATA
> controller present on the NVIDIA Tegra124 system-on-chip.
>
> Signed-off-by: Mikko Perttunen <mperttunen@...dia.com>
> ---

[...]

> +static int tegra_ahci_probe(struct platform_device *pdev)
> +{
> +       const struct of_device_id *match;
> +       struct ahci_host_priv *hpriv;
> +       struct tegra_ahci_priv *tegra;
> +       int ret;
> +
> +       match = of_match_device(tegra_ahci_of_match, &pdev->dev);

This is not needed.

> +       if (!match)
> +               return -EINVAL;
> +
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