[PATCH] i2c: remove casting dma_alloc

[Jochen Friedrich]

> From: Vasyl <gomonovych at gmail.com>
>
> Generated by:  alloc_cast.cocci
>
> Signed-off-by: Vasyl <gomonovych at gmail.com>
Acked-by: Jochen Friedrich <jochen at scram.de>
> ---
>   drivers/i2c/busses/i2c-cpm.c | 4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c
> index 187900594e3d..1213e1932ccb 100644
> --- a/drivers/i2c/busses/i2c-cpm.c
> +++ b/drivers/i2c/busses/i2c-cpm.c
> @@ -531,7 +531,9 @@ static int cpm_i2c_setup(struct cpm_i2c *cpm)
>   		}
>   		out_be32(&rbdf[i].cbd_bufaddr, ((cpm->rxdma[i] + 1) & ~1));
>   
> -		cpm->txbuf[i] = (unsigned char *)dma_alloc_coherent(&cpm->ofdev->dev, CPM_MAX_READ + 1, &cpm->txdma[i], GFP_KERNEL);
> +		cpm->txbuf[i] = dma_alloc_coherent(&cpm->ofdev->dev,
> +						   CPM_MAX_READ + 1,
> +						   &cpm->txdma[i], GFP_KERNEL);
>   		if (!cpm->txbuf[i]) {
>   			ret = -ENOMEM;
>   			goto out_muram;