This patch provides a way to set the ACPI companion in PCI code. We define acpi_pci_set_companion() to set the ACPI companion pointer and call it from PCI core code. The function is stub for now.
Signed-off-by: Jayachandran C jchandra@broadcom.com Signed-off-by: Tomasz Nowicki tn@semihalf.com --- drivers/pci/probe.c | 2 ++ include/linux/pci-acpi.h | 4 ++++ 2 files changed, 6 insertions(+)
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 8004f67..fb0b752 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -12,6 +12,7 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/cpumask.h> +#include <linux/pci-acpi.h> #include <linux/pci-aspm.h> #include <linux/aer.h> #include <linux/acpi.h> @@ -2141,6 +2142,7 @@ struct pci_bus *pci_create_root_bus(struct device *parent, int bus, bridge->dev.parent = parent; bridge->dev.release = pci_release_host_bridge_dev; dev_set_name(&bridge->dev, "pci%04x:%02x", pci_domain_nr(b), bus); + acpi_pci_set_companion(bridge); error = pcibios_root_bridge_prepare(bridge); if (error) { kfree(bridge); diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h index 09f9f02..1baa515 100644 --- a/include/linux/pci-acpi.h +++ b/include/linux/pci-acpi.h @@ -111,6 +111,10 @@ static inline void acpi_pci_add_bus(struct pci_bus *bus) { } static inline void acpi_pci_remove_bus(struct pci_bus *bus) { } #endif /* CONFIG_ACPI */
+static inline void acpi_pci_set_companion(struct pci_host_bridge *bridge) +{ +} + static inline int acpi_pci_bus_domain_nr(struct pci_bus *bus) { return 0;