linux-kernel - [PATCH 01/14] dma: sun6i-dma: Add burst case of 4

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Message-Id: <3a2404510b5f8b16ae3bb193982d70f158700b2b.1475571575.git.mylene.josserand@free-electrons.com>
Date:   Tue,  4 Oct 2016 11:46:14 +0200
From:   Mylène Josserand 
        <mylene.josserand@...e-electrons.com>
To:     vinod.koul@...el.com, maxime.ripard@...e-electrons.com,
        wens@...e.org, mturquette@...libre.com, sboyd@...eaurora.org,
        lgirdwood@...il.com, broonie@...nel.org, perex@...ex.cz,
        tiwai@...e.com, lee.jones@...aro.org, mark.rutland@....com,
        robh+dt@...nel.org
Cc:     linux-kernel@...r.kernel.org, dmaengine@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org,
        alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-sunxi@...glegroups.com, thomas.petazzoni@...e-electrons.com,
        mylene.josserand@...e-electrons.com,
        alexandre.belloni@...e-electrons.com
Subject: [PATCH 01/14] dma: sun6i-dma: Add burst case of 4

Add the case of a burst of 4 which is handled by the SoC.

Signed-off-by: Mylène Josserand <mylene.josserand@...e-electrons.com>
---
 drivers/dma/sun6i-dma.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/dma/sun6i-dma.c b/drivers/dma/sun6i-dma.c
index 8346199..0485204 100644
--- a/drivers/dma/sun6i-dma.c
+++ b/drivers/dma/sun6i-dma.c
@@ -240,6 +240,8 @@ static inline s8 convert_burst(u32 maxburst)
 	switch (maxburst) {
 	case 1:
 		return 0;
+	case 4:
+		return 1;
 	case 8:
 		return 2;
 	default:
-- 
2.9.3