[PATCH] dmaengine: sirf: move driver init from module_init to subsys_initcall

[Vinod Koul]

On Thu, Apr 11, 2013 at 02:09:28PM +0800, Barry Song wrote:
> From: Barry Song <Baohua.Song at csr.com>
> 
> if we initilize dma driver by module_init, there are still many devices
> which will be initilized earlier than dma. these devices will fail to
> get dma channel.
> this moves dmaengine earlier than device_initcall and make dma available
> for all devices.
> 
> Reported-by: Renwei Wu <Renwei.Wu at csr.com>
> Signed-off-by: Barry Song <Baohua.Song at csr.com>
Applied thanks, this is what many drivers in susystem do...

--
~Vinod
> ---
>  drivers/dma/sirf-dma.c |   13 ++++++++++++-
>  1 files changed, 12 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/dma/sirf-dma.c b/drivers/dma/sirf-dma.c
> index 1d627e2..c35fa34 100644
> --- a/drivers/dma/sirf-dma.c
> +++ b/drivers/dma/sirf-dma.c
> @@ -742,7 +742,18 @@ static struct platform_driver sirfsoc_dma_driver = {
>  	},
>  };
>  
> -module_platform_driver(sirfsoc_dma_driver);
> +static __init int sirfsoc_dma_init(void)
> +{
> +	return platform_driver_register(&sirfsoc_dma_driver);
> +}
> +
> +static void __exit sirfsoc_dma_exit(void)
> +{
> +	platform_driver_unregister(&sirfsoc_dma_driver);
> +}
> +
> +subsys_initcall(sirfsoc_dma_init);
> +module_exit(sirfsoc_dma_exit);
>  
>  MODULE_AUTHOR("Rongjun Ying <rongjun.ying at csr.com>, "
>  	"Barry Song <baohua.song at csr.com>");
> -- 
> 1.7.5.4
> 
> 
> 
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