[PATCH 07/11] dmaengine: at_hdmac: add a few const qualifiers
Nicolas Ferre
nicolas.ferre at atmel.com
Fri Jul 13 09:54:27 EDT 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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