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path: root/sound/soc/davinci/davinci-mcasp.c
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Diffstat (limited to 'sound/soc/davinci/davinci-mcasp.c')
-rw-r--r--sound/soc/davinci/davinci-mcasp.c29
1 files changed, 20 insertions, 9 deletions
diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index fb55d2c5d704..a5af834c8ef5 100644
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -868,7 +868,7 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
}
ioarea = request_mem_region(mem->start,
- (mem->end - mem->start) + 1, pdev->name);
+ resource_size(mem), pdev->name);
if (!ioarea) {
dev_err(&pdev->dev, "Audio region already claimed\n");
ret = -EBUSY;
@@ -885,7 +885,13 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
clk_enable(dev->clk);
dev->clk_active = 1;
- dev->base = (void __iomem *)IO_ADDRESS(mem->start);
+ dev->base = ioremap(mem->start, resource_size(mem));
+ if (!dev->base) {
+ dev_err(&pdev->dev, "ioremap failed\n");
+ ret = -ENOMEM;
+ goto err_release_clk;
+ }
+
dev->op_mode = pdata->op_mode;
dev->tdm_slots = pdata->tdm_slots;
dev->num_serializer = pdata->num_serializer;
@@ -899,14 +905,14 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
dma_data->asp_chan_q = pdata->asp_chan_q;
dma_data->ram_chan_q = pdata->ram_chan_q;
dma_data->dma_addr = (dma_addr_t) (pdata->tx_dma_offset +
- io_v2p(dev->base));
+ mem->start);
/* first TX, then RX */
res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
if (!res) {
dev_err(&pdev->dev, "no DMA resource\n");
ret = -ENODEV;
- goto err_release_region;
+ goto err_iounmap;
}
dma_data->channel = res->start;
@@ -915,13 +921,13 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
dma_data->asp_chan_q = pdata->asp_chan_q;
dma_data->ram_chan_q = pdata->ram_chan_q;
dma_data->dma_addr = (dma_addr_t)(pdata->rx_dma_offset +
- io_v2p(dev->base));
+ mem->start);
res = platform_get_resource(pdev, IORESOURCE_DMA, 1);
if (!res) {
dev_err(&pdev->dev, "no DMA resource\n");
ret = -ENODEV;
- goto err_release_region;
+ goto err_iounmap;
}
dma_data->channel = res->start;
@@ -929,11 +935,16 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
ret = snd_soc_register_dai(&pdev->dev, &davinci_mcasp_dai[pdata->op_mode]);
if (ret != 0)
- goto err_release_region;
+ goto err_iounmap;
return 0;
+err_iounmap:
+ iounmap(dev->base);
+err_release_clk:
+ clk_disable(dev->clk);
+ clk_put(dev->clk);
err_release_region:
- release_mem_region(mem->start, (mem->end - mem->start) + 1);
+ release_mem_region(mem->start, resource_size(mem));
err_release_data:
kfree(dev);
@@ -951,7 +962,7 @@ static int davinci_mcasp_remove(struct platform_device *pdev)
dev->clk = NULL;
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(mem->start, (mem->end - mem->start) + 1);
+ release_mem_region(mem->start, resource_size(mem));
kfree(dev);