CHROMIUM: ASoC: Import entire upstream ASoC tree

sound/soc/davinci/davinci-i2s.c

 /*
  * ALSA SoC I2S (McBSP) Audio Layer for TI DAVINCI processor
  *
  * Author:      Vladimir Barinov, <vbarinov@embeddedalley.com>
  * Copyright:   (C) 2007 MontaVista Software, Inc., <source@mvista.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
@@ skipping 640 matching lines @@
         enum dma_event_q asp_chan_q = EVENTQ_0;
         enum dma_event_q ram_chan_q = EVENTQ_1;
         int ret;
 
         mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         if (!mem) {
                 dev_err(&pdev->dev, "no mem resource?\n");
                 return -ENODEV;
         }
 
-        ioarea = request_mem_region(mem->start, (mem->end - mem->start) + 1,
+        ioarea = request_mem_region(mem->start, resource_size(mem),
                                     pdev->name);
         if (!ioarea) {
                 dev_err(&pdev->dev, "McBSP region already claimed\n");
                 return -EBUSY;
         }
 
         dev = kzalloc(sizeof(struct davinci_mcbsp_dev), GFP_KERNEL);
         if (!dev) {
                 ret = -ENOMEM;
                 goto err_release_region;
@@ skipping 15 matching lines @@
         dev->dma_params[SNDRV_PCM_STREAM_CAPTURE].asp_chan_q    = asp_chan_q;
         dev->dma_params[SNDRV_PCM_STREAM_CAPTURE].ram_chan_q    = ram_chan_q;
 
         dev->clk = clk_get(&pdev->dev, NULL);
         if (IS_ERR(dev->clk)) {
                 ret = -ENODEV;
                 goto err_free_mem;
         }
         clk_enable(dev->clk);
 
-        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->dma_params[SNDRV_PCM_STREAM_PLAYBACK].dma_addr =
-            (dma_addr_t)(io_v2p(dev->base) + DAVINCI_MCBSP_DXR_REG);
+            (dma_addr_t)(mem->start + DAVINCI_MCBSP_DXR_REG);
 
         dev->dma_params[SNDRV_PCM_STREAM_CAPTURE].dma_addr =
-            (dma_addr_t)(io_v2p(dev->base) + DAVINCI_MCBSP_DRR_REG);
+            (dma_addr_t)(mem->start + DAVINCI_MCBSP_DRR_REG);
 
         /* first TX, then RX */
         res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
         if (!res) {
                 dev_err(&pdev->dev, "no DMA resource\n");
                 ret = -ENXIO;
-                goto err_free_mem;
+                goto err_iounmap;
         }
         dev->dma_params[SNDRV_PCM_STREAM_PLAYBACK].channel = res->start;
 
         res = platform_get_resource(pdev, IORESOURCE_DMA, 1);
         if (!res) {
                 dev_err(&pdev->dev, "no DMA resource\n");
                 ret = -ENXIO;
-                goto err_free_mem;
+                goto err_iounmap;
         }
         dev->dma_params[SNDRV_PCM_STREAM_CAPTURE].channel = res->start;
         dev->dev = &pdev->dev;
 
         dev_set_drvdata(&pdev->dev, dev);
 
         ret = snd_soc_register_dai(&pdev->dev, &davinci_i2s_dai);
         if (ret != 0)
-                goto err_free_mem;
+                goto err_iounmap;
 
         return 0;
 
+err_iounmap:
+        iounmap(dev->base);
+err_release_clk:
+        clk_disable(dev->clk);
+        clk_put(dev->clk);
 err_free_mem:
         kfree(dev);
 err_release_region:
-        release_mem_region(mem->start, (mem->end - mem->start) + 1);
+        release_mem_region(mem->start, resource_size(mem));
 
         return ret;
 }
 
 static int davinci_i2s_remove(struct platform_device *pdev)
 {
         struct davinci_mcbsp_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;
         kfree(dev);
         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));
 
         return 0;
 }
 
 static struct platform_driver davinci_mcbsp_driver = {
         .probe          = davinci_i2s_probe,
         .remove         = davinci_i2s_remove,
         .driver         = {
                 .name   = "davinci-mcbsp",
                 .owner  = THIS_MODULE,
         },
 };
 
 static int __init davinci_i2s_init(void)
 {
         return platform_driver_register(&davinci_mcbsp_driver);
 }
 module_init(davinci_i2s_init);
 
 static void __exit davinci_i2s_exit(void)
 {
         platform_driver_unregister(&davinci_mcbsp_driver);
 }
 module_exit(davinci_i2s_exit);
 
 MODULE_AUTHOR("Vladimir Barinov");
 MODULE_DESCRIPTION("TI DAVINCI I2S (McBSP) SoC Interface");
 MODULE_LICENSE("GPL");