mmc: loongson2-mmc: drop redundant memset after dma_alloc_coherent()

dma_alloc_coherent() returns zeroed memory, so the memset() immediately
after allocation is redundant.

Signed-off-by: Andre Korol <andre.korol.dev@gmail.com>
Reviewed-by: Binbin Zhou <zhoubinbin@loongson.cn>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/loongson2-mmc.c b/drivers/mmc/host/loongson2-mmc.c
index da3daab5f3d6d21a3bb2b4c3c88b2cc6dcfc7f5b..026cbd80f1141a2e16f070b8889593159ac45ee3 100644 (file)
--- a/drivers/mmc/host/loongson2-mmc.c
+++ b/drivers/mmc/host/loongson2-mmc.c
@@ -846,7 +846,6 @@ static int ls2k2000_mmc_set_internal_dma(struct loongson2_mmc_host *host,
        if (!host->sg_cpu)
                return -ENOMEM;
 
-       memset(host->sg_cpu, 0, PAGE_SIZE);
        return 0;
 }