diff options
Diffstat (limited to 'nixos/modules/kernel-patches/0079-debloat-disable-common-USB-quirks.patch')
| -rw-r--r-- | nixos/modules/kernel-patches/0079-debloat-disable-common-USB-quirks.patch | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/nixos/modules/kernel-patches/0079-debloat-disable-common-USB-quirks.patch b/nixos/modules/kernel-patches/0079-debloat-disable-common-USB-quirks.patch new file mode 100644 index 0000000..9daac66 --- /dev/null +++ b/nixos/modules/kernel-patches/0079-debloat-disable-common-USB-quirks.patch @@ -0,0 +1,126 @@ +From 87b1826cbf97eebbb5874c9b1963f4da7fa09d06 Mon Sep 17 00:00:00 2001 +From: Felix Fietkau <nbd@nbd.name> +Date: Tue, 27 Sep 2022 16:22:11 +0200 +Subject: [PATCH 79/96] debloat: disable common USB quirks + +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + drivers/usb/host/pci-quirks.c | 16 ++++++++++++++++ + drivers/usb/host/pci-quirks.h | 20 ++++++++++++++++++++ + include/linux/usb/hcd.h | 7 +++++++ + 3 files changed, 43 insertions(+) + +diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c +index ef08d68b9714..48c7475b3f71 100644 +--- a/drivers/usb/host/pci-quirks.c ++++ b/drivers/usb/host/pci-quirks.c +@@ -128,6 +128,8 @@ struct amd_chipset_type { + u8 rev; + }; + ++#ifndef CONFIG_PCI_DISABLE_COMMON_QUIRKS ++ + static struct amd_chipset_info { + struct pci_dev *nb_dev; + struct pci_dev *smbus_dev; +@@ -633,6 +635,10 @@ bool usb_amd_pt_check_port(struct device *device, int port) + } + EXPORT_SYMBOL_GPL(usb_amd_pt_check_port); + ++#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. +@@ -712,8 +718,17 @@ int uhci_check_and_reset_hc(struct pci_dev *pdev, unsigned long base) + 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; +@@ -1285,3 +1300,4 @@ static void quirk_usb_early_handoff(struct pci_dev *pdev) + } + DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_ANY_ID, PCI_ANY_ID, + PCI_CLASS_SERIAL_USB, 8, quirk_usb_early_handoff); ++#endif +diff --git a/drivers/usb/host/pci-quirks.h b/drivers/usb/host/pci-quirks.h +index e729de21fad7..1963d3ff63f1 100644 +--- a/drivers/usb/host/pci-quirks.h ++++ b/drivers/usb/host/pci-quirks.h +@@ -5,6 +5,9 @@ + #ifdef CONFIG_USB_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); ++#endif /* CONFIG_USB_PCI */ ++ ++#if defined(CONFIG_USB_PCI) && !defined(CONFIG_PCI_DISABLE_COMMON_QUIRKS) + int usb_hcd_amd_remote_wakeup_quirk(struct pci_dev *pdev); + bool usb_amd_hang_symptom_quirk(void); + bool usb_amd_prefetch_quirk(void); +@@ -19,6 +22,18 @@ void sb800_prefetch(struct device *dev, int on); + bool usb_amd_pt_check_port(struct device *device, int port); + #else + struct pci_dev; ++static inline int usb_amd_quirk_pll_check(void) ++{ ++ return 0; ++} ++static inline bool usb_amd_hang_symptom_quirk(void) ++{ ++ return false; ++} ++static inline bool usb_amd_prefetch_quirk(void) ++{ ++ return false; ++} + static inline void usb_amd_quirk_pll_disable(void) {} + static inline void usb_amd_quirk_pll_enable(void) {} + static inline void usb_asmedia_modifyflowcontrol(struct pci_dev *pdev) {} +@@ -29,6 +44,11 @@ static inline bool usb_amd_pt_check_port(struct device *device, int port) + { + return false; + } ++static inline void usb_enable_intel_xhci_ports(struct pci_dev *xhci_pdev) {} ++static inline bool usb_xhci_needs_pci_reset(struct pci_dev *pdev) ++{ ++ return false; ++} + #endif /* CONFIG_USB_PCI */ + + #endif /* __LINUX_USB_PCI_QUIRKS_H */ +diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h +index 98d1921f02b1..aef3bf66d939 100644 +--- a/include/linux/usb/hcd.h ++++ b/include/linux/usb/hcd.h +@@ -498,7 +498,14 @@ extern int usb_hcd_pci_probe(struct pci_dev *dev, + extern void usb_hcd_pci_remove(struct pci_dev *dev); + extern void usb_hcd_pci_shutdown(struct pci_dev *dev); + ++#ifndef CONFIG_PCI_DISABLE_COMMON_QUIRKS + extern int usb_hcd_amd_remote_wakeup_quirk(struct pci_dev *dev); ++#else ++static inline int usb_hcd_amd_remote_wakeup_quirk(struct pci_dev *dev) ++{ ++ return 0; ++} ++#endif + + #ifdef CONFIG_PM + extern const struct dev_pm_ops usb_hcd_pci_pm_ops; +-- +2.37.2 + |