target/linux/omap24xx/patches-2.6.38/590-cbus-tahvo-usb-ptr-fix.patch

   1 --- a/drivers/cbus/tahvo-usb.c
   2 +++ b/drivers/cbus/tahvo-usb.c
   3 @@ -99,7 +99,7 @@ struct tahvo_usb {
   4         int tahvo_mode;
   5  #endif
   6  };
   7 -static struct platform_device tahvo_usb_device;
   8 +static struct tahvo_usb *tahvo_usb_device;
   9
  10  /*
  11   * ---------------------------------------------------------------------------
  12 @@ -114,8 +114,7 @@ static struct platform_device *tahvo_otg
  13
  14  static irqreturn_t omap_otg_irq(int irq, void *arg)
  15  {
  16 -       struct platform_device *otg_dev = arg;
  17 -       struct tahvo_usb *tu = platform_get_drvdata(otg_dev);
  18 +       struct tahvo_usb *tu = arg;
  19         u16 otg_irq;
  20
  21         otg_irq = omap_readw(OTG_IRQ_SRC);
  22 @@ -201,12 +200,12 @@ static int __init omap_otg_probe(struct
  23
  24         return request_irq(tahvo_otg_dev->resource[1].start,
  25                            omap_otg_irq, IRQF_DISABLED, DRIVER_NAME,
  26 -                          &tahvo_usb_device);
  27 +                          tahvo_usb_device);
  28  }
  29
  30  static int __exit omap_otg_remove(struct platform_device *pdev)
  31  {
  32 -       free_irq(tahvo_otg_dev->resource[1].start, &tahvo_usb_device);
  33 +       free_irq(tahvo_otg_dev->resource[1].start, tahvo_usb_device);
  34         tahvo_otg_dev = NULL;
  35
  36         return 0;
  37 @@ -659,6 +658,7 @@ static int __init tahvo_usb_probe(struct
  38         tu = kzalloc(sizeof(*tu), GFP_KERNEL);
  39         if (!tu)
  40                 return -ENOMEM;
  41 +       tahvo_usb_device = tu;
  42
  43         tu->pt_dev = container_of(dev, struct platform_device, dev);
  44  #ifdef CONFIG_USB_OTG
  45 @@ -682,6 +682,7 @@ static int __init tahvo_usb_probe(struct
  46                                 (unsigned long) tu, "vbus_interrupt");
  47         if (ret != 0) {
  48                 kfree(tu);
  49 +               tahvo_usb_device = NULL;
  50                 printk(KERN_ERR "Could not register Tahvo interrupt for VBUS\n");
  51                 return ret;
  52         }
  53 @@ -708,6 +709,7 @@ static int __init tahvo_usb_probe(struct
  54         ret = otg_set_transceiver(&tu->otg);
  55         if (ret < 0) {
  56                 printk(KERN_ERR "Cannot register USB transceiver\n");
  57 +               tahvo_usb_device = NULL;
  58                 kfree(tu);
  59                 tahvo_free_irq(TAHVO_INT_VBUSON);
  60                 return ret;
  61 @@ -732,6 +734,8 @@ static int __exit tahvo_usb_remove(struc
  62  #ifdef CONFIG_USB_OTG
  63         device_remove_file(&pdev->dev, &dev_attr_otg_mode);
  64  #endif
  65 +       tahvo_usb_device = NULL;
  66 +
  67         return 0;
  68  }
  69