Import Turris OS kernel patches

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
+