[PATCH 07/11] dmaengine: at_hdmac: add a few const qualifiers

Nicolas Ferre nicolas.ferre at atmel.com
Fri Jul 13 23:54:27 EST 2012


On 07/13/2012 02:32 PM, y at pengutronix.de :
> From: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
> 
> This prepares of_device_id.data becoming const. Without this change
> the following warning would occur:
> 
> 	drivers/dma/at_hdmac.c: In function 'at_dma_get_driver_data':
> 	drivers/dma/at_hdmac.c:1228: warning: return discards qualifiers from pointer target type
> 
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
> Cc: Nicolas Ferre <nicolas.ferre at atmel.com>

Acked-by: Nicolas Ferre <nicolas.ferre at atmel.com>

> Cc: Dan Williams <dan.j.williams at intel.com>
> Cc: Vinod Koul <vinod.koul at intel.com>
> ---
>  drivers/dma/at_hdmac.c |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
> index 7292aa8..7e9d265 100644
> --- a/drivers/dma/at_hdmac.c
> +++ b/drivers/dma/at_hdmac.c
> @@ -1217,7 +1217,7 @@ static const struct platform_device_id atdma_devtypes[] = {
>  	}
>  };
>  
> -static inline struct at_dma_platform_data * __init at_dma_get_driver_data(
> +static inline const struct at_dma_platform_data * __init at_dma_get_driver_data(
>  						struct platform_device *pdev)
>  {
>  	if (pdev->dev.of_node) {
> @@ -1255,7 +1255,7 @@ static int __init at_dma_probe(struct platform_device *pdev)
>  	int			irq;
>  	int			err;
>  	int			i;
> -	struct at_dma_platform_data *plat_dat;
> +	const struct at_dma_platform_data *plat_dat;
>  
>  	/* setup platform data for each SoC */
>  	dma_cap_set(DMA_MEMCPY, at91sam9rl_config.cap_mask);
> 


-- 
Nicolas Ferre




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