From: khilman@ti.com (Kevin Hilman)
Date: Wed, 31 Aug 2011 15:23:24 -0700
Subject: [PATCH 2/7] OMAP: PM: omap_device: add few quick access functions
In-Reply-To: <1314026347-21623-3-git-send-email-b-cousson@ti.com> (Benoit
	Cousson's message of "Mon, 22 Aug 2011 17:19:02 +0200")
References: <1314026347-21623-1-git-send-email-b-cousson@ti.com>
	<1314026347-21623-3-git-send-email-b-cousson@ti.com>
Message-ID: <87r5418bkz.fsf@ti.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

Benoit Cousson <b-cousson@ti.com> writes:

> From: Nishanth Menon <nm@ti.com>
>
> Provide a quick set of access functions:
> a) Convert omap_device to platform_device - This is the flip of
>    to_omap_device for equivalent usage
> b) Convert omap_device to device pointer - This is useful for
>    most devices that need to go through standard linux functions that
>    take device pointer.
> c) Convert hwmod to device pointer - This wrapper provides ability for
>    drivers to convert directly from hwmod name back to device pointer
>    without having to handle this on a driver by driver basis
>
> Signed-off-by: Nishanth Menon <nm@ti.com>
> [b-cousson at ti.com: Adapt it to the new pdev pointer inside od]
> Signed-off-by: Benoit Cousson <b-cousson@ti.com>
> ---
>  arch/arm/plat-omap/include/plat/omap_device.h |   15 +++++++++++++++
>  1 files changed, 15 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/plat-omap/include/plat/omap_device.h b/arch/arm/plat-omap/include/plat/omap_device.h
> index bdc2804..903f329 100644
> --- a/arch/arm/plat-omap/include/plat/omap_device.h
> +++ b/arch/arm/plat-omap/include/plat/omap_device.h
> @@ -152,6 +152,21 @@ static inline struct omap_device *to_omap_device(struct platform_device *pdev)
>  	return pdev ? pdev->archdata.od : NULL;
>  }
>  
> +/* Convert omap_device to platform device pointer */
> +#define omap_device_get_pdev(x) ((x)->pdev)
> +/* Convert omap_device to device pointer */
> +#define omap_device_get_dev(x) (&omap_device_get_pdev(x)->dev)

I don't see these used elsewhere, and I don't think they're needed...

> +/* Convert omap_hwmod name to device pointer */
> +static inline struct device *omap_hwmod_name_get_dev(const char *oh_name)
> +{
> +	struct omap_device *od;
> +	od = omap_hwmod_name_get_odev(oh_name);
> +	if (IS_ERR_OR_NULL(od))
> +		return ERR_PTR(od ? PTR_ERR(od) : -ENODEV);
> +	return omap_device_get_dev(od);
> +}
> +

After comments on patch 1 are addressed, the 

      pdev = omap_hwmod_name_get_pdev(oh_name)
      return &pdev->dev;

Kevin

>  static inline
>  void omap_device_disable_idle_on_suspend(struct platform_device *pdev)
>  {