[PATCH v3 7/9] mmc: meson-gx: reduce bounce buffer size

Heiner Kallweit
2017-02-07T21:45:36Z

A bounce buffer of 512K isn't needed as the max request size is
511 * 512 byte.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Tested-by: Kevin Hilman <khilman@baylibre.com>
---
v3:
- 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 c9f25171..4feb8971 100644
--- a/drivers/mmc/host/meson-gx-mmc.c
+++ b/drivers/mmc/host/meson-gx-mmc.c
@@ -782,7 +782,7 @@ 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);
--
2.11.0