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@semihalf.com To: Catalin Marinas catalin.marinas@arm.com To: Lorenzo Pieralisi Lorenzo.Pieralisi@arm.com To: Will Deacon will.deacon@arm.com To: Arnd Bergmann arnd@arndb.de Cc: Liviu Dudau Liviu.Dudau@arm.com --- 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