static int davinci_i2s_probe(struct platform_device *pdev)
{
struct davinci_mcbsp_dev *dev;
- struct resource *mem, *ioarea, *res;
+ struct resource *mem, *res;
+ void __iomem *io_base;
int *dma;
int ret;
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!mem) {
- dev_err(&pdev->dev, "no mem resource?\n");
- return -ENODEV;
- }
-
- ioarea = devm_request_mem_region(&pdev->dev, mem->start,
- resource_size(mem),
- pdev->name);
- if (!ioarea) {
- dev_err(&pdev->dev, "McBSP region already claimed\n");
- return -EBUSY;
- }
+ io_base = devm_ioremap_resource(&pdev->dev, mem);
+ if (IS_ERR(io_base))
+ return PTR_ERR(io_base);
dev = devm_kzalloc(&pdev->dev, sizeof(struct davinci_mcbsp_dev),
GFP_KERNEL);
return -ENODEV;
clk_enable(dev->clk);
- dev->base = devm_ioremap(&pdev->dev, mem->start, resource_size(mem));
- if (!dev->base) {
- dev_err(&pdev->dev, "ioremap failed\n");
- ret = -ENOMEM;
- goto err_release_clk;
- }
+ dev->base = io_base;
dev->dma_data[SNDRV_PCM_STREAM_PLAYBACK].addr =
(dma_addr_t)(mem->start + DAVINCI_MCBSP_DXR_REG);