linux-kernel - [PATCH v5 54/61] dmaengine: nbpfaxi: Declare slave capabilities for the generic code

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Message-Id: <1416231775-31252-55-git-send-email-maxime.ripard@free-electrons.com>
Date:	Mon, 17 Nov 2014 14:42:48 +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 v5 54/61] dmaengine: nbpfaxi: Declare slave capabilities for the generic code

Now that the generic slave caps code can make use of the device assigned
capabilities, instead of relying on a callback to be implemented.

Make use of this code.

Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
---
 drivers/dma/nbpfaxi.c | 17 ++++-------------
 1 file changed, 4 insertions(+), 13 deletions(-)

diff --git a/drivers/dma/nbpfaxi.c b/drivers/dma/nbpfaxi.c
index 9f151dcd4f73..6a963928e958 100644
--- a/drivers/dma/nbpfaxi.c
+++ b/drivers/dma/nbpfaxi.c
@@ -1069,18 +1069,6 @@ static void nbpf_free_chan_resources(struct dma_chan *dchan)
 	}
 }
 
-static int nbpf_slave_caps(struct dma_chan *dchan,
-			   struct dma_slave_caps *caps)
-{
-	caps->src_addr_widths = NBPF_DMA_BUSWIDTHS;
-	caps->dst_addr_widths = NBPF_DMA_BUSWIDTHS;
-	caps->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
-	caps->cmd_pause = false;
-	caps->cmd_terminate = true;
-
-	return 0;
-}
-
 static struct dma_chan *nbpf_of_xlate(struct of_phandle_args *dma_spec,
 				      struct of_dma *ofdma)
 {
@@ -1411,7 +1399,6 @@ static int nbpf_probe(struct platform_device *pdev)
 	dma_dev->device_prep_dma_memcpy = nbpf_prep_memcpy;
 	dma_dev->device_tx_status = nbpf_tx_status;
 	dma_dev->device_issue_pending = nbpf_issue_pending;
-	dma_dev->device_slave_caps = nbpf_slave_caps;
 
 	/*
 	 * If we drop support for unaligned MEMCPY buffer addresses and / or
@@ -1427,6 +1414,10 @@ static int nbpf_probe(struct platform_device *pdev)
 	dma_dev->device_pause = nbpf_pause;
 	dma_dev->device_terminate_all = nbpf_terminate_all;
 
+	dma_dev->src_addr_widths = NBPF_DMA_BUSWIDTHS;
+	dma_dev->dst_addr_widths = NBPF_DMA_BUSWIDTHS;
+	dma_dev->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
+
 	platform_set_drvdata(pdev, nbpf);
 
 	ret = clk_prepare_enable(nbpf->clk);
-- 
2.1.1

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