diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index ee72ebe..e347047 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -3370,6 +3370,8 @@ extern struct pci_fixup __start_pci_fixups_header[];
 extern struct pci_fixup __end_pci_fixups_header[];
 extern struct pci_fixup __start_pci_fixups_final[];
 extern struct pci_fixup __end_pci_fixups_final[];
+extern struct pci_fixup __start_pci_fixups_assign[];
+extern struct pci_fixup __end_pci_fixups_assign[];
 extern struct pci_fixup __start_pci_fixups_enable[];
 extern struct pci_fixup __end_pci_fixups_enable[];
 extern struct pci_fixup __start_pci_fixups_resume[];
@@ -3405,6 +3407,11 @@ void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev)
 		end = __end_pci_fixups_final;
 		break;

+	case pci_fixup_assign:
+		start = __start_pci_fixups_assign;
+		end = __end_pci_fixups_assign;
+		break;
+
 	case pci_fixup_enable:
 		start = __start_pci_fixups_enable;
 		end = __end_pci_fixups_enable;
@@ -2886,6 +2893,27 @@ static void quirk_hotplug_bridge(struct pci_dev *dev)
 }
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_HINT, 0x0020, quirk_hotplug_bridge);
 
+/*
+ * Apple: Avoid programming the memory/io aperture of 00:1c.0
+ *
+ * BIOS does not declare any resource for 00:1c.0, but with
+ * hotplug flag set, thus OS allocate:
+ * [mem 0x7fa00000 - 0x7fbfffff]
+ * [mem 0x7fc00000-0x7fdfffff 64bit pref]
+ * which is conflict with an unreported device, which
+ * causes unpredictable result such as accessing io port.
+ * So clear the hotplug flag to work around it.
+ */
+static void quirk_apple_mbp_poweroff(struct pci_dev *dev)
+{
+	if (dmi_match(DMI_BOARD_VENDOR, "Apple Inc.") &&
+	    dmi_match(DMI_PRODUCT_NAME, "MacBookPro11,4") ||
+	    dmi_match(DMI_PRODUCT_NAME, "MacBookPro11,5"))
+		dev->is_hotplug_bridge = 0;
+}
+
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x8c10, quirk_apple_mbp_poweroff);
+
 /*
  * This is a quirk for the Ricoh MMC controller found as a part of some
  * multifunction chips.
@@ -5099,6 +5106,24 @@ static void quirk_intel_qat_vf_cap(struct pci_dev *pdev)
 }
 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x443, quirk_intel_qat_vf_cap);
 
+/*
+ * On Mac Pro 11, the allocation of pci bridge memory resource
+ * broke ACPI Sleep Type register region.
+ */
+static void quirk_mac_disable_mmio_bar(struct pci_dev *dev)
+{
+	struct resource *b_res;
+
+	dev_info(&dev->dev, "[Quirk] Disable mmio on Mac Pro 11\n");
+	if ((dev->class >> 8) != PCI_CLASS_BRIDGE_PCI)
+		return;
+
+	b_res = &dev->resource[PCI_BRIDGE_RESOURCES];
+	b_res[1].flags = 0;
+	b_res[2].flags = 0;
+}
+DECLARE_PCI_FIXUP_ASSIGN(PCI_VENDOR_ID_INTEL, 0x8c10, quirk_mac_disable_mmio_bar);
+
 /*
  * FLR may cause the following to devices to hang:
  *
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 55641a3..730d6fd 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -1256,6 +1256,8 @@ void __pci_bus_size_bridges(struct pci_bus *bus, struct list_head *realloc_head)
			additional_mmio_size = pci_hotplug_mmio_size;
			additional_mmio_pref_size = pci_hotplug_mmio_pref_size;
 		}
+
+		pci_fixup_device(pci_fixup_assign, bus->self);
 		fallthrough;
 	default:
 		pbus_size_io(bus, realloc_head ? 0 : additional_io_size,
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index e373e2e10f6a..8ec44c7450e0 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -346,6 +346,9 @@
 		__start_pci_fixups_final = .;				\
 		KEEP(*(.pci_fixup_final))				\
 		__end_pci_fixups_final = .;				\
+		__start_pci_fixups_assign = .;				\
+		KEEP(*(.pci_fixup_assign))				\
+		__end_pci_fixups_assign = .;				\
 		__start_pci_fixups_enable = .;				\
 		KEEP(*(.pci_fixup_enable))				\
 		__end_pci_fixups_enable = .;				\
diff --git a/include/linux/pci.h b/include/linux/pci.h
index b67e4df..14a35bb 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1584,6 +1584,7 @@ enum pci_fixup_pass {
 	pci_fixup_early,	/* Before probing BARs */
 	pci_fixup_header,	/* After reading configuration header */
 	pci_fixup_final,	/* Final phase of device fixups */
+	pci_fixup_assign,	/* Before resource assignment */
 	pci_fixup_enable,	/* pci_enable_device() time */
 	pci_fixup_resume,	/* pci_device_resume() */
 	pci_fixup_suspend,	/* pci_device_suspend() */
@@ -1644,6 +1645,9 @@ enum pci_fixup_pass {
 #define DECLARE_PCI_FIXUP_FINAL(vendor, device, hook)			\
 	DECLARE_PCI_FIXUP_SECTION(.pci_fixup_final,			\
 		hook, vendor, device, PCI_ANY_ID, 0, hook)
+#define DECLARE_PCI_FIXUP_ASSIGN(vendor, device, hook)			\
+	DECLARE_PCI_FIXUP_SECTION(.pci_fixup_assign,			\
+		hook, vendor, device, PCI_ANY_ID, 0, hook)
 #define DECLARE_PCI_FIXUP_ENABLE(vendor, device, hook)			\
 	DECLARE_PCI_FIXUP_SECTION(.pci_fixup_enable,			\
 		hook, vendor, device, PCI_ANY_ID, 0, hook)
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 48958d3..248acdb 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -877,6 +877,7 @@ static void check_section(const char *modname, struct elf_info *elf,

 #define ALL_PCI_INIT_SECTIONS	\
 	".pci_fixup_early", ".pci_fixup_header", ".pci_fixup_final", \
+	".pci_fixup_assign", \
 	".pci_fixup_enable", ".pci_fixup_resume", \
 	".pci_fixup_resume_early", ".pci_fixup_suspend"