Define PCI_MMCONFIG config option for arm64.
Weaken implementations of raw_pci_read/write and pci_acpi_scan_root, the generic ACPI PCI driver will implement these.
Signed-off-by: Jayachandran C jchandra@broadcom.com --- arch/arm64/Kconfig | 3 +++ arch/arm64/kernel/pci.c | 7 +++---- 2 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 4f43622..6c6658a 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -236,6 +236,9 @@ config PCI_DOMAINS_GENERIC config PCI_SYSCALL def_bool PCI
+config PCI_MMCONFIG + bool + source "drivers/pci/Kconfig"
endmenu diff --git a/arch/arm64/kernel/pci.c b/arch/arm64/kernel/pci.c index 15109c11..098028c 100644 --- a/arch/arm64/kernel/pci.c +++ b/arch/arm64/kernel/pci.c @@ -67,13 +67,13 @@ int pcibios_alloc_irq(struct pci_dev *dev) /* * raw_pci_read/write - Platform-specific PCI config space access. */ -int raw_pci_read(unsigned int domain, unsigned int bus, +int __weak 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, +int __weak raw_pci_write(unsigned int domain, unsigned int bus, unsigned int devfn, int reg, int len, u32 val) { return -ENXIO; @@ -81,9 +81,8 @@ int raw_pci_write(unsigned int domain, unsigned int bus,
#ifdef CONFIG_ACPI /* Root bridge scanning */ -struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root) +struct pci_bus *__weak pci_acpi_scan_root(struct acpi_pci_root *root) { - /* TODO: Should be revisited when implementing PCI on ACPI */ return NULL; } #endif