linux-kernel - Re: [PATCH v2 5/5] ARM: OMAP2+: Create dummy platform

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Date:   Mon, 3 Jul 2017 18:58:44 +0200
From:   Johan Hovold <johan@...nel.org>
To:     Dave Gerlach <d-gerlach@...com>
Cc:     Tony Lindgren <tony@...mide.com>,
        Santosh Shilimkar <ssantosh@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Keerthy J <j-keerthy@...com>, linux-omap@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 5/5] ARM: OMAP2+: Create dummy platform_device for
 pm33xx

On Fri, May 19, 2017 at 03:04:38PM -0500, Dave Gerlach wrote:
> Add amx3_common_pm_init to create a dummy platform_device for
> pm33xx so that our pm33xx module can probe and am335x and am437x
> platforms to enable basic suspend to mem and standby support.
> 
> Signed-off-by: Dave Gerlach <d-gerlach@...com>
> ---

> +void __init amx3_common_pm_init(void)
> +{
> +	struct platform_device_info devinfo = { };

You should make sure devinfo is zeroed, and also set .id to -1. 

> +	struct am33xx_pm_platform_data *pdata;
> +
> +	pdata = am33xx_pm_get_pdata();
> +	devinfo.name = "pm33xx";
> +	devinfo.data = pdata;
> +	devinfo.size_data = sizeof(*pdata);
> +	platform_device_register_full(&devinfo);
> +}

Johan