[PATCH v2 7/9] mmc: meson-gx: reduce bounce buffer size
Heiner Kallweit
hkallweit1 at gmail.com
Tue Jan 31 22:49:18 PST 2017
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>
---
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);
--
2.11.0
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