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dmaengine: at_hdmac: simplify getting .drvdata 

We should get drvdata from struct device directly. Going via
platform_device is an unneeded step back and forth.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Wolfram Sang 2018-04-22 11:14:09 +02:00 committed by Vinod Koul
parent 60cc43fc88
commit 5c4a74a414
1 changed files with 3 additions and 6 deletions
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9
drivers/dma/at_hdmac.c
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@ -2041,8 +2041,7 @@ static void at_dma_shutdown(struct platform_device *pdev)
static int at_dma_prepare(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct at_dma *atdma = platform_get_drvdata(pdev);
struct at_dma *atdma = dev_get_drvdata(dev);
struct dma_chan *chan, *_chan;
list_for_each_entry_safe(chan, _chan, &atdma->dma_common.channels,
@ -2076,8 +2075,7 @@ static void atc_suspend_cyclic(struct at_dma_chan *atchan)
static int at_dma_suspend_noirq(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct at_dma *atdma = platform_get_drvdata(pdev);
struct at_dma *atdma = dev_get_drvdata(dev);
struct dma_chan *chan, *_chan;
/* preserve data */
@ -2118,8 +2116,7 @@ static void atc_resume_cyclic(struct at_dma_chan *atchan)
static int at_dma_resume_noirq(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct at_dma *atdma = platform_get_drvdata(pdev);
struct at_dma *atdma = dev_get_drvdata(dev);
struct dma_chan *chan, *_chan;
/* bring back DMA controller */