linux-kernel - [PATCH v4 44/58] dmaengine: mv_xor: Remove device

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Message-Id: <1414531573-18807-45-git-send-email-maxime.ripard@free-electrons.com>
Date:	Tue, 28 Oct 2014 22:25:59 +0100
From:	Maxime Ripard <maxime.ripard@...e-electrons.com>
To:	Vinod Koul <vinod.koul@...el.com>, dmaengine@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Antoine Ténart <antoine@...e-electrons.com>,
	Russell King <linux@....linux.org.uk>, lars@...afoo.de,
	Maxime Ripard <maxime.ripard@...e-electrons.com>
Subject: [PATCH v4 44/58] dmaengine: mv_xor: Remove device_control

The Marvell XOR engine doesn't allow any operations that use to be defined in
device_control, it shouldn't need to be defined. Since it's going to be
deprecated, remove it altogether.

Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
---
 drivers/dma/mv_xor.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c
index a63837ca1410..10d6dd8b8ee4 100644
--- a/drivers/dma/mv_xor.c
+++ b/drivers/dma/mv_xor.c
@@ -928,14 +928,6 @@ out:
 	return err;
 }
 
-/* This driver does not implement any of the optional DMA operations. */
-static int
-mv_xor_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
-	       unsigned long arg)
-{
-	return -ENOSYS;
-}
-
 static int mv_xor_channel_remove(struct mv_xor_chan *mv_chan)
 {
 	struct dma_chan *chan, *_chan;
@@ -1008,7 +1000,6 @@ mv_xor_channel_add(struct mv_xor_device *xordev,
 	dma_dev->device_free_chan_resources = mv_xor_free_chan_resources;
 	dma_dev->device_tx_status = mv_xor_status;
 	dma_dev->device_issue_pending = mv_xor_issue_pending;
-	dma_dev->device_control = mv_xor_control;
 	dma_dev->dev = &pdev->dev;
 
 	/* set prep routines based on capability */
-- 
2.1.1

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