linux-kernel - [PATCH v13 04/12] dmaengine: imx-sdma: remove duplicated sdma_load

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Message-Id: <1598889805-30399-5-git-send-email-yibin.gong@nxp.com>
Date:   Tue,  1 Sep 2020 00:03:17 +0800
From:   Robin Gong <yibin.gong@....com>
To:     mark.rutland@....com, broonie@...nel.org, robh+dt@...nel.org,
        catalin.marinas@....com, vkoul@...nel.org, will.deacon@....com,
        shawnguo@...nel.org, festevam@...il.com, s.hauer@...gutronix.de,
        martin.fuzzey@...wbird.group, u.kleine-koenig@...gutronix.de,
        dan.j.williams@...el.com, matthias.schiffer@...tq-group.com,
        frieder.schrempf@...tron.de, r.schwebel@...gutronix.de,
        Benjamin.Bara@...data.com, Richard.Leitner@...data.com
Cc:     linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        kernel@...gutronix.de, dmaengine@...r.kernel.org, linux-imx@....com
Subject: [PATCH v13 04/12] dmaengine: imx-sdma: remove duplicated sdma_load_context

Since sdma_transfer_init() will do sdma_load_context before any
sdma transfer, no need once more in sdma_config_channel().

Fixes: ad0d92d7ba6a ("dmaengine: imx-sdma: refine to load context only once")
Cc: <stable@...r.kernel.org>
Signed-off-by: Robin Gong <yibin.gong@....com>
Acked-by: Vinod Koul <vkoul@...nel.org>
Tested-by: Richard Leitner <richard.leitner@...data.com>
---
 drivers/dma/imx-sdma.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index 22be370..f899083 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -1139,7 +1139,6 @@ static void sdma_set_watermarklevel_for_p2p(struct sdma_channel *sdmac)
 static int sdma_config_channel(struct dma_chan *chan)
 {
 	struct sdma_channel *sdmac = to_sdma_chan(chan);
-	int ret;
 
 	sdma_disable_channel(chan);
 
@@ -1179,9 +1178,7 @@ static int sdma_config_channel(struct dma_chan *chan)
 		sdmac->watermark_level = 0; /* FIXME: M3_BASE_ADDRESS */
 	}
 
-	ret = sdma_load_context(sdmac);
-
-	return ret;
+	return 0;
 }
 
 static int sdma_set_channel_priority(struct sdma_channel *sdmac,
-- 
2.7.4