Root/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@@ -432,8 +438,17 @@ 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+#ifndef CONFIG_PCI_DISABLE_COMMON_QUIRKS
38+
39 static inline int io_type_enabled(struct pci_dev *pdev, unsigned int mask)
40 {
41     u16 cmd;
42@@ -971,3 +986,4 @@ static void __devinit quirk_usb_early_ha
43 }
44 DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_ANY_ID, PCI_ANY_ID,
45             PCI_CLASS_SERIAL_USB, 8, quirk_usb_early_handoff);
46+#endif
47--- a/drivers/usb/host/pci-quirks.h
48+++ b/drivers/usb/host/pci-quirks.h
49@@ -4,18 +4,26 @@
50 #ifdef CONFIG_PCI
51 void uhci_reset_hc(struct pci_dev *pdev, unsigned long base);
52 int uhci_check_and_reset_hc(struct pci_dev *pdev, unsigned long base);
53+bool usb_is_intel_switchable_xhci(struct pci_dev *pdev);
54+void usb_enable_xhci_ports(struct pci_dev *xhci_pdev);
55+void usb_disable_xhci_ports(struct pci_dev *xhci_pdev);
56+#else
57+static inline void usb_disable_xhci_ports(struct pci_dev *xhci_pdev) {}
58+#endif /* CONFIG_PCI */
59+
60+#if defined(CONFIG_PCI) && !defined(CONFIG_PCI_DISABLE_COMMON_QUIRKS)
61 int usb_amd_find_chipset_info(void);
62 void usb_amd_dev_put(void);
63 void usb_amd_quirk_pll_disable(void);
64 void usb_amd_quirk_pll_enable(void);
65-bool usb_is_intel_switchable_xhci(struct pci_dev *pdev);
66-void usb_enable_xhci_ports(struct pci_dev *xhci_pdev);
67-void usb_disable_xhci_ports(struct pci_dev *xhci_pdev);
68 #else
69+static inline int usb_amd_find_chipset_info(void)
70+{
71+ return 0;
72+}
73 static inline void usb_amd_quirk_pll_disable(void) {}
74 static inline void usb_amd_quirk_pll_enable(void) {}
75 static inline void usb_amd_dev_put(void) {}
76-static inline void usb_disable_xhci_ports(struct pci_dev *xhci_pdev) {}
77-#endif /* CONFIG_PCI */
78+#endif
79 
80 #endif /* __LINUX_USB_PCI_QUIRKS_H */
81

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