[PATCH v2 7/9] mmc: meson-gx: reduce bounce buffer size

[Kevin Hilman]

Heiner Kallweit <hkallweit1 at gmail.com> writes:

> A bounce buffer of 512K isn't needed as the max request size is
> 511 * 512 byte.
>
> Signed-off-by: Heiner Kallweit <hkallweit1 at gmail.com>

Reviewed-by: Kevin Hilman <khilman at baylibre.com>
Tested-by: Kevin Hilman <khilman at baylibre.com>

> ---
> v2:
> - no changes
> ---
>  drivers/mmc/host/meson-gx-mmc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
> index 883263c5..48ce4ba4 100644
> --- a/drivers/mmc/host/meson-gx-mmc.c
> +++ b/drivers/mmc/host/meson-gx-mmc.c
> @@ -785,7 +785,7 @@ static int meson_mmc_probe(struct platform_device *pdev)
>  	mmc->max_req_size = mmc->max_blk_count * mmc->max_blk_size;
>  
>  	/* data bounce buffer */
> -	host->bounce_buf_size = SZ_512K;
> +	host->bounce_buf_size = mmc->max_req_size;
>  	host->bounce_buf =
>  		dma_alloc_coherent(host->dev, host->bounce_buf_size,
>  				   &host->bounce_dma_addr, GFP_KERNEL);