[PATCH V7 11/11] arm64, pci, acpi: Start using ACPI based PCI host controller driver for ARM64.
From: Tomasz Nowicki <hidden>
Date: 2016-05-10 15:21:43
Also in:
linux-acpi, linux-pci, lkml
Subsystem:
arm64 port (aarch64 architecture), the rest · Maintainers:
Catalin Marinas, Will Deacon, Linus Torvalds
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 <redacted> To: Catalin Marinas <catalin.marinas@arm.com> To: Lorenzo Pieralisi <redacted> To: Will Deacon <redacted> To: Arnd Bergmann <arnd@arndb.de> --- 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 eeec5f6..e484c91 100644
--- a/arch/arm64/kernel/pci.c
+++ b/arch/arm64/kernel/pci.c@@ -74,27 +74,3 @@ void pcibios_remove_bus(struct pci_bus *bus) { acpi_pci_remove_bus(bus); } - -/* - * 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