linux-kernel - Re: [PATCHv3 1/7] dmaengine: dw_dmac: use helper macro module_platform

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Message-ID: <20120927074039.GH12592@arwen.pp.htv.fi>
Date:	Thu, 27 Sep 2012 10:40:40 +0300
From:	Felipe Balbi <balbi@...com>
To:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:	Viresh Kumar <viresh.linux@...il.com>,
	Vinod Koul <vinod.koul@...el.com>,
	linux-kernel@...r.kernel.org,
	spear-devel <spear-devel@...t.st.com>,
	Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Subject: Re: [PATCHv3 1/7] dmaengine: dw_dmac: use helper macro
 module_platform_driver()

On Thu, Sep 27, 2012 at 10:31:55AM +0300, Andy Shevchenko wrote:
> From: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
> 

commit log would be great.

> Signed-off-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> ---
>  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,

probe's in __init section. This is wrong. You need to change probe
__devinit.

>  	.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");
> -- 
> 1.7.10.4
> 
> --
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-- 
balbi

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