[PATCH 6/6] OMAP: McBSP: use existing macros for converting between devices

Jarkko Nikula jhnikula at gmail.com
Fri Aug 5 02:02:44 EDT 2011


Hi Kevin

On Thu,  4 Aug 2011 08:45:10 -0700
Kevin Hilman <khilman at ti.com> wrote:

> For converting from struct device to platform_device, and from
> platform_device to struct omap_device, there are existing macros.  Use
> them instead of manual use of container_of().
> 
> Signed-off-by: Kevin Hilman <khilman at ti.com>
> ---
>  arch/arm/plat-omap/mcbsp.c |    6 +++---
>  1 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
> index 3c1fbdc..47016f7 100644
> --- a/arch/arm/plat-omap/mcbsp.c
> +++ b/arch/arm/plat-omap/mcbsp.c
> @@ -260,9 +260,9 @@ EXPORT_SYMBOL(omap_mcbsp_dma_reg_params);
>  #ifdef CONFIG_ARCH_OMAP3
>  static struct omap_device *find_omap_device_by_dev(struct device *dev)
>  {
> -	struct platform_device *pdev = container_of(dev,
> -					struct platform_device, dev);
> -	return container_of(pdev, struct omap_device, pdev);
> +	struct platform_device *pdev = to_platform_device(dev);
> +
> +	return to_omap_device(pdev);
>  }
>  
I have a better alternative (that removes these unused lines) here:

http://marc.info/?l=linux-omap&m=130951039226392&w=2

I'm fine if you need to take my patch if there's urgent need to modify
these lines or otherwise I can carry it when sending an updated version
of my earlier McBSP cleanup set.

-- 
Jarkko



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