linux-kernel - [PATCH] microblaze: use sg

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Message-Id: <b0f4fb7f2dac44996e461e729fdcdefc3e3f594d.1490258928.git.geliangtang@gmail.com>
Date:   Thu, 23 Mar 2017 21:16:32 +0800
From:   Geliang Tang <geliangtang@...il.com>
To:     Michal Simek <monstr@...str.eu>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Robin Murphy <robin.murphy@....com>,
        Hans-Christian Noren Egtvedt <egtvedt@...fundet.no>,
        Joerg Roedel <jroedel@...e.de>,
        Bart Van Assche <bart.vanassche@...disk.com>,
        Alexander Duyck <alexander.h.duyck@...el.com>,
        Krzysztof Kozlowski <krzk@...nel.org>
Cc:     Geliang Tang <geliangtang@...il.com>, linux-kernel@...r.kernel.org
Subject: [PATCH] microblaze: use sg_phys()

Use sg_phys() instead of open-coding it.

Signed-off-by: Geliang Tang <geliangtang@...il.com>
---
 arch/microblaze/kernel/dma.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c
index 12e093a..e45ada8 100644
--- a/arch/microblaze/kernel/dma.c
+++ b/arch/microblaze/kernel/dma.c
@@ -65,8 +65,7 @@ static int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl,
 		if (attrs & DMA_ATTR_SKIP_CPU_SYNC)
 			continue;
 
-		__dma_sync(page_to_phys(sg_page(sg)) + sg->offset,
-							sg->length, direction);
+		__dma_sync(sg_phys(sg), sg->length, direction);
 	}
 
 	return nents;
-- 
2.9.3