linux-kernel - [PATCH 9/9] dma: tegra20-apbdma: remove legacy nvidia,dma-request-selector support

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Message-ID: <1374639002-16753-10-git-send-email-rizhao@nvidia.com>
Date:	Wed, 24 Jul 2013 12:10:02 +0800
From:	Richard Zhao <rizhao@...dia.com>
To:	<devicetree-discuss@...ts.ozlabs.org>, <linux-doc@...r.kernel.org>,
	<linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-spi@...r.kernel.org>, <linux-serial@...r.kernel.org>,
	<alsa-devel@...a-project.org>
CC:	<grant.likely@...aro.org>, <rob.herring@...xeda.com>,
	<rob@...dley.net>, <swarren@...dotorg.org>, <vinod.koul@...el.com>,
	<djbw@...com>, <broonie@...nel.org>, <gregkh@...uxfoundation.org>,
	<lgirdwood@...il.com>, <rizhao@...dia.com>, <linuxzsc@...il.com>,
	<ldewangan@...dia.com>, <dev@...xeye.de>
Subject: [PATCH 9/9] dma: tegra20-apbdma: remove legacy nvidia,dma-request-selector support

All tegra dma client drivers have moved to generic dma binding.

Signed-off-by: Richard Zhao <rizhao@...dia.com>
---
 drivers/dma/tegra20-apb-dma.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c
index 0e12f78..a67d159 100644
--- a/drivers/dma/tegra20-apb-dma.c
+++ b/drivers/dma/tegra20-apb-dma.c
@@ -344,13 +344,6 @@ static int tegra_dma_slave_config(struct dma_chan *dc,
 
 	memcpy(&tdc->dma_sconfig, sconfig, sizeof(*sconfig));
 
-	/* If we didn't get slave_id from DT when request channel, use the one
-	 * passed here.
-	 * It makes compatible with legacy nvidia,dma-request-selector.
-	 */
-	if (tdc->slave_id == -EINVAL)
-		tdc->slave_id = sconfig->slave_id;
-
 	tdc->config_init = true;
 	return 0;
 }
@@ -1374,7 +1367,6 @@ static int tegra_dma_probe(struct platform_device *pdev)
 				&tdma->dma_dev.channels);
 		tdc->tdma = tdma;
 		tdc->id = i;
-		tdc->slave_id = -EINVAL;
 
 		tasklet_init(&tdc->tasklet, tegra_dma_tasklet,
 				(unsigned long)tdc);
-- 
1.8.1.5

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