linux-kernel - [PATCH] mmc: loongson2-mmc: drop redundant memset after dma_alloc

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Message-ID: <20260129035917.48080-1-andre.korol.dev@gmail.com>
Date: Thu, 29 Jan 2026 00:59:17 -0300
From: Andre Korol <andre.korol.dev@...il.com>
To: ulf.hansson@...aro.org,
	zhoubinbin@...ngson.cn
Cc: linux-mmc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Andre Korol <andre.korol.dev@...il.com>
Subject: [PATCH] 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@...il.com>
---
 drivers/mmc/host/loongson2-mmc.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/mmc/host/loongson2-mmc.c b/drivers/mmc/host/loongson2-mmc.c
index da3daab5f3d6..026cbd80f114 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;
 }
 
-- 
2.51.0