dma: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

drivers/dma/imx-sdma.c

@@ -1332,7 +1332,7 @@ static int __init sdma_probe(struct platform_device *pdev)
 	int ret;
 	int irq;
 	struct resource *iores;
-	struct sdma_platform_data *pdata = pdev->dev.platform_data;
+	struct sdma_platform_data *pdata = dev_get_platdata(&pdev->dev);
 	int i;
 	struct sdma_engine *sdma;
 	s32 *saddr_arr;

drivers/dma/iop-adma.c

@@ -518,7 +518,7 @@ static int iop_adma_alloc_chan_resources(struct dma_chan *chan)
 	struct iop_adma_desc_slot *slot = NULL;
 	int init = iop_chan->slots_allocated ? 0 : 1;
 	struct iop_adma_platform_data *plat_data =
-		iop_chan->device->pdev->dev.platform_data;
+		dev_get_platdata(&iop_chan->device->pdev->dev);
 	int num_descs_in_pool = plat_data->pool_size/IOP_ADMA_SLOT_SIZE;
 
 	/* Allocate descriptor slots */
@@ -1351,7 +1351,7 @@ static int iop_adma_remove(struct platform_device *dev)
 	struct iop_adma_device *device = platform_get_drvdata(dev);
 	struct dma_chan *chan, *_chan;
 	struct iop_adma_chan *iop_chan;
-	struct iop_adma_platform_data *plat_data = dev->dev.platform_data;
+	struct iop_adma_platform_data *plat_data = dev_get_platdata(&dev->dev);
 
 	dma_async_device_unregister(&device->common);
 
@@ -1376,7 +1376,7 @@ static int iop_adma_probe(struct platform_device *pdev)
 	struct iop_adma_device *adev;
 	struct iop_adma_chan *iop_chan;
 	struct dma_device *dma_dev;
-	struct iop_adma_platform_data *plat_data = pdev->dev.platform_data;
+	struct iop_adma_platform_data *plat_data = dev_get_platdata(&pdev->dev);
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res)

drivers/dma/mv_xor.c

@@ -1166,7 +1166,7 @@ static int mv_xor_probe(struct platform_device *pdev)
 {
 	const struct mbus_dram_target_info *dram;
 	struct mv_xor_device *xordev;
-	struct mv_xor_platform_data *pdata = pdev->dev.platform_data;
+	struct mv_xor_platform_data *pdata = dev_get_platdata(&pdev->dev);
 	struct resource *res;
 	int i, ret;
 

drivers/dma/pl330.c

@@ -2908,7 +2908,7 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
 	int i, ret, irq;
 	int num_chan;
 
-	pdat = adev->dev.platform_data;
+	pdat = dev_get_platdata(&adev->dev);
 
 	/* Allocate a new DMAC and its Channels */
 	pdmac = devm_kzalloc(&adev->dev, sizeof(*pdmac), GFP_KERNEL);

drivers/dma/sh/shdma-of.c

@@ -42,7 +42,7 @@ static struct dma_chan *shdma_of_xlate(struct of_phandle_args *dma_spec,
 
 static int shdma_of_probe(struct platform_device *pdev)
 {
-	const struct of_dev_auxdata *lookup = pdev->dev.platform_data;
+	const struct of_dev_auxdata *lookup = dev_get_platdata(&pdev->dev);
 	int ret;
 
 	if (!lookup)

drivers/dma/sh/shdma.c

@@ -660,7 +660,7 @@ static const struct shdma_ops sh_dmae_shdma_ops = {
 
 static int sh_dmae_probe(struct platform_device *pdev)
 {
-	struct sh_dmae_pdata *pdata = pdev->dev.platform_data;
+	struct sh_dmae_pdata *pdata = dev_get_platdata(&pdev->dev);
 	unsigned long irqflags = IRQF_DISABLED,
 		chan_flag[SH_DMAE_MAX_CHANNELS] = {};
 	int errirq, chan_irq[SH_DMAE_MAX_CHANNELS];

drivers/dma/sh/sudmac.c

@@ -335,7 +335,7 @@ static const struct shdma_ops sudmac_shdma_ops = {
 
 static int sudmac_probe(struct platform_device *pdev)
 {
-	struct sudmac_pdata *pdata = pdev->dev.platform_data;
+	struct sudmac_pdata *pdata = dev_get_platdata(&pdev->dev);
 	int err, i;
 	struct sudmac_device *su_dev;
 	struct dma_device *dma_dev;
@@ -373,7 +373,7 @@ static int sudmac_probe(struct platform_device *pdev)
 		return err;
 
 	/* platform data */
-	su_dev->pdata = pdev->dev.platform_data;
+	su_dev->pdata = dev_get_platdata(&pdev->dev);
 
 	platform_set_drvdata(pdev, su_dev);
 

drivers/dma/ste_dma40.c

@@ -3139,7 +3139,7 @@ static int __init d40_phy_res_init(struct d40_base *base)
 
 static struct d40_base * __init d40_hw_detect_init(struct platform_device *pdev)
 {
-	struct stedma40_platform_data *plat_data = pdev->dev.platform_data;
+	struct stedma40_platform_data *plat_data = dev_get_platdata(&pdev->dev);
 	struct clk *clk = NULL;
 	void __iomem *virtbase = NULL;
 	struct resource *res = NULL;
@@ -3535,7 +3535,7 @@ static int __init d40_of_probe(struct platform_device *pdev,
 
 static int __init d40_probe(struct platform_device *pdev)
 {
-	struct stedma40_platform_data *plat_data = pdev->dev.platform_data;
+	struct stedma40_platform_data *plat_data = dev_get_platdata(&pdev->dev);
 	struct device_node *np = pdev->dev.of_node;
 	int ret = -ENOENT;
 	struct d40_base *base = NULL;

drivers/dma/timb_dma.c

@@ -669,7 +669,7 @@ static irqreturn_t td_irq(int irq, void *devid)
 
 static int td_probe(struct platform_device *pdev)
 {
-	struct timb_dma_platform_data *pdata = pdev->dev.platform_data;
+	struct timb_dma_platform_data *pdata = dev_get_platdata(&pdev->dev);
 	struct timb_dma *td;
 	struct resource *iomem;
 	int irq;

drivers/dma/txx9dmac.c

@@ -1117,9 +1117,10 @@ static void txx9dmac_off(struct txx9dmac_dev *ddev)
 
 static int __init txx9dmac_chan_probe(struct platform_device *pdev)
 {
-	struct txx9dmac_chan_platform_data *cpdata = pdev->dev.platform_data;
+	struct txx9dmac_chan_platform_data *cpdata =
+			dev_get_platdata(&pdev->dev);
 	struct platform_device *dmac_dev = cpdata->dmac_dev;
-	struct txx9dmac_platform_data *pdata = dmac_dev->dev.platform_data;
+	struct txx9dmac_platform_data *pdata = dev_get_platdata(&dmac_dev->dev);
 	struct txx9dmac_chan *dc;
 	int err;
 	int ch = pdev->id % TXX9_DMA_MAX_NR_CHANNELS;
@@ -1202,7 +1203,7 @@ static int txx9dmac_chan_remove(struct platform_device *pdev)
 
 static int __init txx9dmac_probe(struct platform_device *pdev)
 {
-	struct txx9dmac_platform_data *pdata = pdev->dev.platform_data;
+	struct txx9dmac_platform_data *pdata = dev_get_platdata(&pdev->dev);
 	struct resource *io;
 	struct txx9dmac_dev *ddev;
 	u32 mcr;
@@ -1281,7 +1282,7 @@ static int txx9dmac_resume_noirq(struct device *dev)
 {
 	struct platform_device *pdev = to_platform_device(dev);
 	struct txx9dmac_dev *ddev = platform_get_drvdata(pdev);
-	struct txx9dmac_platform_data *pdata = pdev->dev.platform_data;
+	struct txx9dmac_platform_data *pdata = dev_get_platdata(&pdev->dev);
 	u32 mcr;
 
 	mcr = TXX9_DMA_MCR_MSTEN | MCR_LE;