[PATCH 01/13] uio: uio_pruss: use struct device

Andre Heider
2014-06-29T16:21:35Z

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

Signed-off-by: Andre Heider <a.heider-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
drivers/uio/uio_pruss.c | 37 +++++++++++++++++++------------------
1 file changed, 19 insertions(+), 18 deletions(-)

diff --git a/drivers/uio/uio_pruss.c b/drivers/uio/uio_pruss.c
index 96c4a19..c28d6e2 100644
--- a/drivers/uio/uio_pruss.c
+++ b/drivers/uio/uio_pruss.c
@@ -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;
}

--
2.0.0

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