Re: [PATCH 1/4] dmaengine: dw_dmac: use helper macro module_platform_driver()

[Andy Shevchenko <andriy.shevchenko@linux.intel.com>]

On Tue, 2012-10-02 at 14:41 +0300, Andy Shevchenko wrote: 
> From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
> 
> Since v3.2 we have nice macro to define the platform driver's init and exit
> calls. This patch simplifies the dw_dmac driver by using that macro.

Actually we can't do this. It will break initialization of some other
drivers.


> 
> Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> Reviewed-by: Felipe Balbi <balbi@ti.com>
> Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
> ---
>  drivers/dma/dw_dmac.c |   13 ++-----------
>  1 file changed, 2 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
> index c4b0eb3..0b88ced 100644
> --- a/drivers/dma/dw_dmac.c
> +++ b/drivers/dma/dw_dmac.c
> @@ -1700,6 +1700,7 @@ MODULE_DEVICE_TABLE(of, dw_dma_id_table);
>  #endif
>  
>  static struct platform_driver dw_driver = {
> +	.probe		= dw_probe,
>  	.remove		= __devexit_p(dw_remove),
>  	.shutdown	= dw_shutdown,
>  	.driver = {
> @@ -1709,17 +1710,7 @@ static struct platform_driver dw_driver = {
>  	},
>  };
>  
> -static int __init dw_init(void)
> -{
> -	return platform_driver_probe(&dw_driver, dw_probe);
> -}
> -subsys_initcall(dw_init);
> -
> -static void __exit dw_exit(void)
> -{
> -	platform_driver_unregister(&dw_driver);
> -}
> -module_exit(dw_exit);
> +module_platform_driver(dw_driver);
>  
>  MODULE_LICENSE("GPL v2");
>  MODULE_DESCRIPTION("Synopsys DesignWare DMA Controller driver");

-- 
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy