CHROMIUM: ASoC: Import entire upstream ASoC tree

sound/soc/davinci/davinci-mcasp.c

 /*
  * ALSA SoC McASP Audio Layer for TI DAVINCI processor
  *
  * Multi-channel Audio Serial Port Driver
  *
  * Author: Nirmal Pandey <n-pandey@ti.com>,
  *         Suresh Rajashekara <suresh.r@ti.com>
  *         Steve Chen <schen@.mvista.com>
  *
  * Copyright:   (C) 2009 MontaVista Software, Inc., <source@mvista.com>
@@ skipping 850 matching lines @@
                 return  -ENOMEM;
 
         mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         if (!mem) {
                 dev_err(&pdev->dev, "no mem resource?\n");
                 ret = -ENODEV;
                 goto err_release_data;
         }
 
         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;
                 goto err_release_data;
         }
 
         pdata = pdev->dev.platform_data;
         dev->clk = clk_get(&pdev->dev, NULL);
         if (IS_ERR(dev->clk)) {
                 ret = -ENODEV;
                 goto err_release_region;
         }
 
         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;
         dev->serial_dir = pdata->serial_dir;
         dev->codec_fmt = pdata->codec_fmt;
         dev->version = pdata->version;
         dev->txnumevt = pdata->txnumevt;
         dev->rxnumevt = pdata->rxnumevt;
 
         dma_data = &dev->dma_params[SNDRV_PCM_STREAM_PLAYBACK];
         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;
 
         dma_data = &dev->dma_params[SNDRV_PCM_STREAM_CAPTURE];
         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;
         dev_set_drvdata(&pdev->dev, dev);
         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);
 
         return ret;
 }
 
 static int davinci_mcasp_remove(struct platform_device *pdev)
 {
         struct davinci_audio_dev *dev = dev_get_drvdata(&pdev->dev);
         struct resource *mem;
 
         snd_soc_unregister_dai(&pdev->dev);
         clk_disable(dev->clk);
         clk_put(dev->clk);
         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);
 
         return 0;
 }
 
 static struct platform_driver davinci_mcasp_driver = {
         .probe          = davinci_mcasp_probe,
         .remove         = davinci_mcasp_remove,
         .driver         = {
@@ skipping 11 matching lines @@
 static void __exit davinci_mcasp_exit(void)
 {
         platform_driver_unregister(&davinci_mcasp_driver);
 }
 module_exit(davinci_mcasp_exit);
 
 MODULE_AUTHOR("Steve Chen");
 MODULE_DESCRIPTION("TI DAVINCI McASP SoC Interface");
 MODULE_LICENSE("GPL");