1 files changed, 82 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.12/811-pci_disable_usb_common_quirks.patch b/target/linux/generic/patches-3.12/811-pci_disable_usb_common_quirks.patch
new file mode 100644
index 0000000000..ca0cc469e2
--- /dev/null
+++ b/target/linux/generic/patches-3.12/811-pci_disable_usb_common_quirks.patch
@@ -0,0 +1,82 @@
+
+--- a/drivers/usb/host/pci-quirks.c
++++ b/drivers/usb/host/pci-quirks.c
+@@ -79,6 +79,8 @@
+ #define USB_INTEL_USB3_PSSEN   0xD8
+ #define USB_INTEL_USB3PRM      0xDC
+ 
++#ifndef CONFIG_PCI_DISABLE_COMMON_QUIRKS
++
+ static struct amd_chipset_info {
+ 	struct pci_dev	*nb_dev;
+ 	struct pci_dev	*smbus_dev;
+@@ -366,6 +368,10 @@ void usb_amd_dev_put(void)
+ }
+ EXPORT_SYMBOL_GPL(usb_amd_dev_put);
+ 
++#endif /* CONFIG_PCI_DISABLE_COMMON_QUIRKS */
++
++#if IS_ENABLED(CONFIG_USB_UHCI_HCD)
++
+ /*
+  * Make sure the controller is completely inactive, unable to
+  * generate interrupts or do DMA.
+@@ -445,8 +451,17 @@ reset_needed:
+ 	uhci_reset_hc(pdev, base);
+ 	return 1;
+ }
++#else
++int uhci_check_and_reset_hc(struct pci_dev *pdev, unsigned long base)
++{
++	return 0;
++}
++
++#endif
+ EXPORT_SYMBOL_GPL(uhci_check_and_reset_hc);
+ 
++#ifndef CONFIG_PCI_DISABLE_COMMON_QUIRKS
++
+ static inline int io_type_enabled(struct pci_dev *pdev, unsigned int mask)
+ {
+ 	u16 cmd;
+@@ -975,3 +990,4 @@ static void quirk_usb_early_handoff(stru
+ }
+ DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_ANY_ID, PCI_ANY_ID,
+ 			PCI_CLASS_SERIAL_USB, 8, quirk_usb_early_handoff);
++#endif
+--- a/drivers/usb/host/pci-quirks.h
++++ b/drivers/usb/host/pci-quirks.h
+@@ -4,20 +4,29 @@
+ #ifdef CONFIG_PCI
+ void uhci_reset_hc(struct pci_dev *pdev, unsigned long base);
+ int uhci_check_and_reset_hc(struct pci_dev *pdev, unsigned long base);
++bool usb_is_intel_switchable_xhci(struct pci_dev *pdev);
++void usb_enable_xhci_ports(struct pci_dev *xhci_pdev);
++void usb_disable_xhci_ports(struct pci_dev *xhci_pdev);
++#else
++static inline void usb_disable_xhci_ports(struct pci_dev *xhci_pdev) {}
++#endif  /* CONFIG_PCI */
++
++#if defined(CONFIG_PCI) && !defined(CONFIG_PCI_DISABLE_COMMON_QUIRKS)
+ int usb_amd_find_chipset_info(void);
+ void usb_amd_dev_put(void);
+ void usb_amd_quirk_pll_disable(void);
+ void usb_amd_quirk_pll_enable(void);
+-void usb_enable_intel_xhci_ports(struct pci_dev *xhci_pdev);
+-void usb_disable_xhci_ports(struct pci_dev *xhci_pdev);
+ void sb800_prefetch(struct device *dev, int on);
+ #else
+ struct pci_dev;
++static inline int usb_amd_find_chipset_info(void)
++{
++	return 0;
++}
+ static inline void usb_amd_quirk_pll_disable(void) {}
+ static inline void usb_amd_quirk_pll_enable(void) {}
+ static inline void usb_amd_dev_put(void) {}
+-static inline void usb_disable_xhci_ports(struct pci_dev *xhci_pdev) {}
+ static inline void sb800_prefetch(struct device *dev, int on) {}
+-#endif  /* CONFIG_PCI */
++#endif
+ 
+ #endif  /*  __LINUX_USB_PCI_QUIRKS_H  */