target/linux/generic/patches-3.7/811-pci_disable_usb_common_quirks.patch

   1
   2 --- a/drivers/usb/host/pci-quirks.c
   3 +++ b/drivers/usb/host/pci-quirks.c
   4 @@ -79,6 +79,8 @@
   5  #define USB_INTEL_USB3_PSSEN   0xD8
   6  #define USB_INTEL_USB3PRM      0xDC
   7
   8 +#ifndef CONFIG_PCI_DISABLE_COMMON_QUIRKS
   9 +
  10  static struct amd_chipset_info {
  11         struct pci_dev  *nb_dev;
  12         struct pci_dev  *smbus_dev;
  13 @@ -353,6 +355,10 @@ void usb_amd_dev_put(void)
  14  }
  15  EXPORT_SYMBOL_GPL(usb_amd_dev_put);
  16
  17 +#endif /* CONFIG_PCI_DISABLE_COMMON_QUIRKS */
  18 +
  19 +#if IS_ENABLED(CONFIG_USB_UHCI_HCD)
  20 +
  21  /*
  22   * Make sure the controller is completely inactive, unable to
  23   * generate interrupts or do DMA.
  24 @@ -432,6 +438,13 @@ reset_needed:
  25         uhci_reset_hc(pdev, base);
  26         return 1;
  27  }
  28 +#else
  29 +int uhci_check_and_reset_hc(struct pci_dev *pdev, unsigned long base)
  30 +{
  31 +       return 0;
  32 +}
  33 +
  34 +#endif
  35  EXPORT_SYMBOL_GPL(uhci_check_and_reset_hc);
  36
  37  static inline int io_type_enabled(struct pci_dev *pdev, unsigned int mask)
  38 @@ -461,6 +474,8 @@ static void __devinit quirk_usb_handoff_
  39                 uhci_check_and_reset_hc(pdev, base);
  40  }
  41
  42 +#ifndef CONFIG_PCI_DISABLE_COMMON_QUIRKS
  43 +
  44  static int __devinit mmio_resource_enabled(struct pci_dev *pdev, int idx)
  45  {
  46         return pci_resource_start(pdev, idx) && mmio_enabled(pdev);
  47 @@ -971,3 +986,4 @@ static void __devinit quirk_usb_early_ha
  48  }
  49  DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_ANY_ID, PCI_ANY_ID,
  50                         PCI_CLASS_SERIAL_USB, 8, quirk_usb_early_handoff);
  51 +#endif
  52 --- a/drivers/usb/host/pci-quirks.h
  53 +++ b/drivers/usb/host/pci-quirks.h
  54 @@ -4,18 +4,26 @@
  55  #ifdef CONFIG_PCI
  56  void uhci_reset_hc(struct pci_dev *pdev, unsigned long base);
  57  int uhci_check_and_reset_hc(struct pci_dev *pdev, unsigned long base);
  58 +bool usb_is_intel_switchable_xhci(struct pci_dev *pdev);
  59 +void usb_enable_xhci_ports(struct pci_dev *xhci_pdev);
  60 +void usb_disable_xhci_ports(struct pci_dev *xhci_pdev);
  61 +#else
  62 +static inline void usb_disable_xhci_ports(struct pci_dev *xhci_pdev) {}
  63 +#endif  /* CONFIG_PCI */
  64 +
  65 +#if defined(CONFIG_PCI) && !defined(CONFIG_PCI_DISABLE_COMMON_QUIRKS)
  66  int usb_amd_find_chipset_info(void);
  67  void usb_amd_dev_put(void);
  68  void usb_amd_quirk_pll_disable(void);
  69  void usb_amd_quirk_pll_enable(void);
  70 -bool usb_is_intel_switchable_xhci(struct pci_dev *pdev);
  71 -void usb_enable_xhci_ports(struct pci_dev *xhci_pdev);
  72 -void usb_disable_xhci_ports(struct pci_dev *xhci_pdev);
  73  #else
  74 +static inline int usb_amd_find_chipset_info(void)
  75 +{
  76 +       return 0;
  77 +}
  78  static inline void usb_amd_quirk_pll_disable(void) {}
  79  static inline void usb_amd_quirk_pll_enable(void) {}
  80  static inline void usb_amd_dev_put(void) {}
  81 -static inline void usb_disable_xhci_ports(struct pci_dev *xhci_pdev) {}
  82 -#endif  /* CONFIG_PCI */
  83 +#endif
  84
  85  #endif  /*  __LINUX_USB_PCI_QUIRKS_H  */