linux-kernel - Re: [PATCHv5 05/15] hwspinlock/omap: add support for dt nodes

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Message-ID: <CAK=WgbamDPN9EmKUu3+c3RbsQn1uhz5MGGvpWSSUJSUKyoH8Cw@mail.gmail.com>
Date:	Tue, 1 Jul 2014 15:48:59 +0300
From:	Ohad Ben-Cohen <ohad@...ery.com>
To:	Suman Anna <s-anna@...com>
Cc:	Mark Rutland <mark.rutland@....com>,
	Kumar Gala <galak@...eaurora.org>,
	Tony Lindgren <tony@...mide.com>,
	Josh Cartwright <joshc@...eaurora.org>,
	Bjorn Andersson <bjorn@...o.se>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	linux-arm <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCHv5 05/15] hwspinlock/omap: add support for dt nodes

Hi Suman,

On Thu, May 1, 2014 at 3:34 AM, Suman Anna <s-anna@...com> wrote:
>  static int omap_hwspinlock_probe(struct platform_device *pdev)
>  {
> -       struct hwspinlock_pdata *pdata = pdev->dev.platform_data;
> +       struct device_node *node = pdev->dev.of_node;
>         struct hwspinlock_device *bank;
>         struct hwspinlock *hwlock;
>         struct resource *res;
>         void __iomem *io_base;
>         int num_locks, i, ret;
> +       int base_id = 0;

We shouldn't implicitly assume base_id is zero: let's explicitly
protect against potential subsequent invocations of
omap_hwspinlock_probe.

Thanks,
Ohad.
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