Commit 4719ebfd authored by Andre Heider's avatar Andre Heider Committed by Greg Kroah-Hartman
Browse files

uio: uio_pruss: use struct device 



Get rid of the repeating &dev->dev constructs and prevent introducing
new ones.

Signed-off-by: default avatarAndre Heider <a.heider@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 4847cc07

drivers/uio/uio_pruss.c

+19 −18
Original line number Diff line number Diff line
@@ -91,8 +91,7 @@ static irqreturn_t pruss_handler(int irq, struct uio_info *info) 
	return IRQ_HANDLED;

}



static void pruss_cleanup(struct platform_device *dev,

			struct uio_pruss_dev *gdev)

static void pruss_cleanup(struct device *dev, struct uio_pruss_dev *gdev)

{

	int cnt;

	struct uio_info *p = gdev->info;
@@ -103,7 +102,7 @@ static void pruss_cleanup(struct platform_device *dev, 
	}

	iounmap(gdev->prussio_vaddr);

	if (gdev->ddr_vaddr) {

		dma_free_coherent(&dev->dev, extram_pool_sz, gdev->ddr_vaddr,

		dma_free_coherent(dev, extram_pool_sz, gdev->ddr_vaddr,

			gdev->ddr_paddr);

	}

	if (gdev->sram_vaddr)
@@ -115,13 +114,14 @@ static void pruss_cleanup(struct platform_device *dev, 
	kfree(gdev);

}



static int pruss_probe(struct platform_device *dev)

static int pruss_probe(struct platform_device *pdev)

{

	struct uio_info *p;

	struct uio_pruss_dev *gdev;

	struct resource *regs_prussio;

	struct device *dev = &pdev->dev;

	int ret = -ENODEV, cnt = 0, len;

	struct uio_pruss_pdata *pdata = dev_get_platdata(&dev->dev);

	struct uio_pruss_pdata *pdata = dev_get_platdata(dev);



	gdev = kzalloc(sizeof(struct uio_pruss_dev), GFP_KERNEL);

	if (!gdev)
@@ -132,10 +132,11 @@ static int pruss_probe(struct platform_device *dev) 
		kfree(gdev);

		return -ENOMEM;

	}



	/* Power on PRU in case its not done as part of boot-loader */

	gdev->pruss_clk = clk_get(&dev->dev, "pruss");

	gdev->pruss_clk = clk_get(dev, "pruss");

	if (IS_ERR(gdev->pruss_clk)) {

		dev_err(&dev->dev, "Failed to get clock\n");

		dev_err(dev, "Failed to get clock\n");

		ret = PTR_ERR(gdev->pruss_clk);

		kfree(gdev->info);

		kfree(gdev);
@@ -144,14 +145,14 @@ static int pruss_probe(struct platform_device *dev) 
		clk_enable(gdev->pruss_clk);

	}



	regs_prussio = platform_get_resource(dev, IORESOURCE_MEM, 0);

	regs_prussio = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	if (!regs_prussio) {

		dev_err(&dev->dev, "No PRUSS I/O resource specified\n");

		dev_err(dev, "No PRUSS I/O resource specified\n");

		goto out_free;

	}



	if (!regs_prussio->start) {

		dev_err(&dev->dev, "Invalid memory resource\n");

		dev_err(dev, "Invalid memory resource\n");

		goto out_free;

	}
@@ -161,27 +162,27 @@ static int pruss_probe(struct platform_device *dev) 
			(unsigned long)gen_pool_dma_alloc(gdev->sram_pool,

					sram_pool_sz, &gdev->sram_paddr);

		if (!gdev->sram_vaddr) {

			dev_err(&dev->dev, "Could not allocate SRAM pool\n");

			dev_err(dev, "Could not allocate SRAM pool\n");

			goto out_free;

		}

	}



	gdev->ddr_vaddr = dma_alloc_coherent(&dev->dev, extram_pool_sz,

	gdev->ddr_vaddr = dma_alloc_coherent(dev, extram_pool_sz,

				&(gdev->ddr_paddr), GFP_KERNEL | GFP_DMA);

	if (!gdev->ddr_vaddr) {

		dev_err(&dev->dev, "Could not allocate external memory\n");

		dev_err(dev, "Could not allocate external memory\n");

		goto out_free;

	}



	len = resource_size(regs_prussio);

	gdev->prussio_vaddr = ioremap(regs_prussio->start, len);

	if (!gdev->prussio_vaddr) {

		dev_err(&dev->dev, "Can't remap PRUSS I/O  address range\n");

		dev_err(dev, "Can't remap PRUSS I/O  address range\n");

		goto out_free;

	}



	gdev->pintc_base = pdata->pintc_base;

	gdev->hostirq_start = platform_get_irq(dev, 0);

	gdev->hostirq_start = platform_get_irq(pdev, 0);



	for (cnt = 0, p = gdev->info; cnt < MAX_PRUSS_EVT; cnt++, p++) {

		p->mem[0].addr = regs_prussio->start;
@@ -204,12 +205,12 @@ static int pruss_probe(struct platform_device *dev) 
		p->handler = pruss_handler;

		p->priv = gdev;



		ret = uio_register_device(&dev->dev, p);

		ret = uio_register_device(dev, p);

		if (ret < 0)

			goto out_free;

	}



	platform_set_drvdata(dev, gdev);

	platform_set_drvdata(pdev, gdev);

	return 0;



out_free:
@@ -221,7 +222,7 @@ static int pruss_remove(struct platform_device *dev) 
{

	struct uio_pruss_dev *gdev = platform_get_drvdata(dev);



	pruss_cleanup(dev, gdev);

	pruss_cleanup(&dev->dev, gdev);

	return 0;

}