diff options
| -rw-r--r-- | drivers/uio/uio_pruss.c | 37 |
1 files 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; } |
