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@xxxxxxxxxxxx>
---
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
--
1.9.1
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