On Mon, Feb 02, 2015 at 12:45:34PM +0000, Hanjun Guo wrote:
> diff --git a/arch/arm64/kernel/pci.c b/arch/arm64/kernel/pci.c
> index ce5836c..c17e7ea 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>
> @@ -68,3 +69,27 @@ void pci_bus_assign_domain_nr(struct pci_bus *bus, struct device *parent)
> bus->domain_nr = domain;
> }
> #endif
> +
> +/*
> + * 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 -EINVAL;
> +}
> +
> +int raw_pci_write(unsigned int domain, unsigned int bus,
> + unsigned int devfn, int reg, int len, u32 val)
> +{
> + return -EINVAL;
> +}
You said you'll make these return -ENOSYS, which I think makes more
sense.
--
Catalin
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