On 12/19/2017 12:37 AM, Sinan Kaya wrote:
> pci_get_bus_and_slot() is restrictive such that it assumes domain=0 as
> where a PCI device is present. This restricts the device drivers to be
> reused for other domain numbers.
>
> Use pci_get_domain_bus_and_slot() with a domain number of 0 where we can't
> extract the domain number. Other places, use the actual domain number from
> the device.
>
> Signed-off-by: Sinan Kaya <okaya@xxxxxxxxxxxxxx>
> ---
> arch/alpha/kernel/pci.c | 2 +-
> arch/alpha/kernel/sys_nautilus.c | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c
> index 87da005..2e86ebb 100644
> --- a/arch/alpha/kernel/pci.c
> +++ b/arch/alpha/kernel/pci.c
> @@ -425,7 +425,7 @@ struct resource * __init
> if (bus == 0 && dfn == 0) {
> hose = pci_isa_hose;
> } else {
> - dev = pci_get_bus_and_slot(bus, dfn);
> + dev = pci_get_domain_bus_and_slot(0, bus, dfn);
> if (!dev)
> return -ENODEV;
> hose = dev->sysdata;
> diff --git a/arch/alpha/kernel/sys_nautilus.c b/arch/alpha/kernel/sys_nautilus.c
> index 239dc0e..ff4f54b 100644
> --- a/arch/alpha/kernel/sys_nautilus.c
> +++ b/arch/alpha/kernel/sys_nautilus.c
> @@ -237,7 +237,7 @@
> bus = hose->bus = bridge->bus;
> pcibios_claim_one_bus(bus);
>
> - irongate = pci_get_bus_and_slot(0, 0);
> + irongate = pci_get_domain_bus_and_slot(pci_domain_nr(bus), 0, 0);
> bus->self = irongate;
> bus->resource[0] = &irongate_io;
> bus->resource[1] = &irongate_mem;
>
Any feedback here? most of the remaining patches have the ACK except these.
--
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.
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