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From: Andrey Smirnov <andrew.smirnov@gmail.com>
To: barebox@lists.infradead.org
Cc: Andrey Smirnov <andrew.smirnov@gmail.com>
Subject: [PATCH 4/8] apbh: Do not zero out DMA coherent memory
Date: Mon, 27 May 2019 11:14:56 -0700	[thread overview]
Message-ID: <20190527181500.17456-4-andrew.smirnov@gmail.com> (raw)
In-Reply-To: <20190527181500.17456-1-andrew.smirnov@gmail.com>

Memory returned by dma_alloc_coherent() should already be zeroed
out, so there's no need to do this explicitly.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
---
 drivers/dma/apbh_dma.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/dma/apbh_dma.c b/drivers/dma/apbh_dma.c
index 72c2f364c..15a523ac8 100644
--- a/drivers/dma/apbh_dma.c
+++ b/drivers/dma/apbh_dma.c
@@ -388,7 +388,6 @@ struct mxs_dma_desc *mxs_dma_desc_alloc(void)
 	if (pdesc == NULL)
 		return NULL;
 
-	memset(pdesc, 0, sizeof(*pdesc));
 	pdesc->address = (dma_addr_t)pdesc;
 
 	return pdesc;
-- 
2.21.0


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  parent reply	other threads:[~2019-05-27 18:15 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-27 18:14 [PATCH 1/8] usb: ohci-hcd: " Andrey Smirnov
2019-05-27 18:14 ` [PATCH 2/8] net: rtl8169: " Andrey Smirnov
2019-05-27 18:14 ` [PATCH 3/8] nand: nand_mxs: " Andrey Smirnov
2019-05-27 18:14 ` Andrey Smirnov [this message]
2019-05-27 18:14 ` [PATCH 5/8] ahci: " Andrey Smirnov
2019-05-27 18:14 ` [PATCH 6/8] apbh: Use dma_alloc_coherent() to get DMA address Andrey Smirnov
2019-05-27 18:14 ` [PATCH 7/8] usb: fsl_udc: " Andrey Smirnov
2019-05-27 18:15 ` [PATCH 8/8] usb: ohci: Add dependency on HAS_DMA Andrey Smirnov
2019-05-28  8:38 ` [PATCH 1/8] usb: ohci-hcd: Do not zero out DMA coherent memory Sascha Hauer

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