diff options
Diffstat (limited to 'arch/arm64/kernel/pci.c')
| -rw-r--r-- | arch/arm64/kernel/pci.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/arm64/kernel/pci.c b/arch/arm64/kernel/pci.c index 6f93c24ca801..4095379dc069 100644 --- a/arch/arm64/kernel/pci.c +++ b/arch/arm64/kernel/pci.c @@ -10,6 +10,7 @@ * */ +#include <linux/acpi.h> #include <linux/init.h> #include <linux/io.h> #include <linux/kernel.h> @@ -46,3 +47,27 @@ int pcibios_add_device(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 |