It is perfectly fine to use ACPI_PCI_HOST_GENERIC for ARM64,
so lets get rid of PCI init and RAW ACPI accessor empty stubs
and go with full-blown PCI host controller driver.
Signed-off-by: Tomasz Nowicki <tn@xxxxxxxxxxxx>
To: Catalin Marinas <catalin.marinas@xxxxxxx>
To: Lorenzo Pieralisi <Lorenzo.Pieralisi@xxxxxxx>
To: Will Deacon <will.deacon@xxxxxxx>
To: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Liviu Dudau <Liviu.Dudau@xxxxxxx>
---
arch/arm64/Kconfig | 1 +
arch/arm64/kernel/pci.c | 24 ------------------------
2 files changed, 1 insertion(+), 24 deletions(-)
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 4f43622..1bded87 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -2,6 +2,7 @@ config ARM64
def_bool y
select ACPI_CCA_REQUIRED if ACPI
select ACPI_GENERIC_GSI if ACPI
+ select ACPI_PCI_HOST_GENERIC if ACPI
select ACPI_REDUCED_HARDWARE_ONLY if ACPI
select ARCH_HAS_DEVMEM_IS_ALLOWED
select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
diff --git a/arch/arm64/kernel/pci.c b/arch/arm64/kernel/pci.c
index 15109c11..9a8e6f7 100644
--- a/arch/arm64/kernel/pci.c
+++ b/arch/arm64/kernel/pci.c
@@ -63,27 +63,3 @@ int pcibios_alloc_irq(struct pci_dev *dev)
return 0;
}
-
-/*
- * raw_pci_read/write - Platform-specific PCI config space access.
- */
-int raw_pci_read(unsigned int domain, unsigned int bus,
- unsigned int devfn, int reg, int len, u32 *val)
-{
- return -ENXIO;
-}
-
-int raw_pci_write(unsigned int domain, unsigned int bus,
- unsigned int devfn, int reg, int len, u32 val)
-{
- return -ENXIO;
-}
-
-#ifdef CONFIG_ACPI
-/* Root bridge scanning */
-struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
-{
- /* TODO: Should be revisited when implementing PCI on ACPI */
- return NULL;
-}
-#endif
--
1.9.1
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