From: Andre Korol <andre.korol.dev@gmail.com>
Date: Thu, 29 Jan 2026 03:59:17 +0000 (-0300)
Subject: mmc: loongson2-mmc: drop redundant memset after dma_alloc_coherent()
X-Git-Tag: v7.1-rc1~157^2~66
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4cd4e8231652872823ac5ed0be66df59ce7c778f;p=thirdparty%2Fkernel%2Fstable.git

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 da3daab5f3d6d..026cbd80f1141 100644
--- 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;
 }