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authorLinus Torvalds2022-06-17 15:12:20 -0500
committerLinus Torvalds2022-06-17 15:12:20 -0500
commit32efdbffff280b304bb2cd48844ee4166078e69c (patch)
treeefca29d068388dde659c43cd0cab8f9aa44f6572 /arch/x86/include/asm
parent93d17c1c8c1cc987aad378d5266d99e46efca43c (diff)
parenta2b36ffbf5b6ec301e61249c8b09e610bc80772f (diff)
Merge tag 'pci-v5.19-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull pci fix from Bjorn Helgaas: "Revert clipping of PCI host bridge windows to avoid E820 regions, which broke several machines by forcing unnecessary BAR reassignments (Hans de Goede)" * tag 'pci-v5.19-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: x86/PCI: Revert "x86/PCI: Clip only host bridge windows for E820 regions"
Diffstat (limited to 'arch/x86/include/asm')
-rw-r--r--arch/x86/include/asm/e820/api.h5
-rw-r--r--arch/x86/include/asm/pci_x86.h8
2 files changed, 8 insertions, 5 deletions
diff --git a/arch/x86/include/asm/e820/api.h b/arch/x86/include/asm/e820/api.h
index 5a39ed59b6db..e8f58ddd06d9 100644
--- a/arch/x86/include/asm/e820/api.h
+++ b/arch/x86/include/asm/e820/api.h
@@ -4,9 +4,6 @@
#include <asm/e820/types.h>
-struct device;
-struct resource;
-
extern struct e820_table *e820_table;
extern struct e820_table *e820_table_kexec;
extern struct e820_table *e820_table_firmware;
@@ -46,8 +43,6 @@ extern void e820__register_nosave_regions(unsigned long limit_pfn);
extern int e820__get_entry_type(u64 start, u64 end);
-extern void remove_e820_regions(struct device *dev, struct resource *avail);
-
/*
* Returns true iff the specified range [start,end) is completely contained inside
* the ISA region.
diff --git a/arch/x86/include/asm/pci_x86.h b/arch/x86/include/asm/pci_x86.h
index f52a886d35cf..70533fdcbf02 100644
--- a/arch/x86/include/asm/pci_x86.h
+++ b/arch/x86/include/asm/pci_x86.h
@@ -69,6 +69,8 @@ void pcibios_scan_specific_bus(int busn);
/* pci-irq.c */
+struct pci_dev;
+
struct irq_info {
u8 bus, devfn; /* Bus, device and function */
struct {
@@ -246,3 +248,9 @@ static inline void mmio_config_writel(void __iomem *pos, u32 val)
# define x86_default_pci_init_irq NULL
# define x86_default_pci_fixup_irqs NULL
#endif
+
+#if defined(CONFIG_PCI) && defined(CONFIG_ACPI)
+extern bool pci_use_e820;
+#else
+#define pci_use_e820 false
+#endif