| Message ID | 1511390964-9979-8-git-send-email-okaya@codeaurora.org (mailing list archive) |
|---|---|
| State | New, archived |
| Delegated to: | Bjorn Helgaas |
| Headers | show |
On Wed, Nov 22, 2017 at 05:49:02PM -0500, 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. > > Getting ready to remove pci_get_bus_and_slot() function in favor of > pci_get_domain_bus_and_slot(). Aha! > > We don't search for the device in other domains than zero. This is because > on x86 platforms the BIOS executes only devices which are in domain 0. > Furthermore, the iBFT spec doesn't have a domain id field. Acked-by: Konrad Rzeszutek Wilk <konrad@kernel.org> > > Signed-off-by: Sinan Kaya <okaya@codeaurora.org> > --- > drivers/firmware/iscsi_ibft.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/drivers/firmware/iscsi_ibft.c b/drivers/firmware/iscsi_ibft.c > index 14042a6..6bc8e66 100644 > --- a/drivers/firmware/iscsi_ibft.c > +++ b/drivers/firmware/iscsi_ibft.c > @@ -719,8 +719,9 @@ static int __init ibft_create_kobject(struct acpi_table_ibft *header, > * executes only devices which are in domain 0. Furthermore, the > * iBFT spec doesn't have a domain id field :-( > */ > - pci_dev = pci_get_bus_and_slot((nic->pci_bdf & 0xff00) >> 8, > - (nic->pci_bdf & 0xff)); > + pci_dev = pci_get_domain_bus_and_slot(0, > + (nic->pci_bdf & 0xff00) >> 8, > + (nic->pci_bdf & 0xff)); > if (pci_dev) { > rc = sysfs_create_link(&boot_kobj->kobj, > &pci_dev->dev.kobj, "device"); > -- > 1.9.1 >
diff --git a/drivers/firmware/iscsi_ibft.c b/drivers/firmware/iscsi_ibft.c index 14042a6..6bc8e66 100644 --- a/drivers/firmware/iscsi_ibft.c +++ b/drivers/firmware/iscsi_ibft.c @@ -719,8 +719,9 @@ static int __init ibft_create_kobject(struct acpi_table_ibft *header, * executes only devices which are in domain 0. Furthermore, the * iBFT spec doesn't have a domain id field :-( */ - pci_dev = pci_get_bus_and_slot((nic->pci_bdf & 0xff00) >> 8, - (nic->pci_bdf & 0xff)); + pci_dev = pci_get_domain_bus_and_slot(0, + (nic->pci_bdf & 0xff00) >> 8, + (nic->pci_bdf & 0xff)); if (pci_dev) { rc = sysfs_create_link(&boot_kobj->kobj, &pci_dev->dev.kobj, "device");
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. Getting ready to remove pci_get_bus_and_slot() function in favor of pci_get_domain_bus_and_slot(). We don't search for the device in other domains than zero. This is because on x86 platforms the BIOS executes only devices which are in domain 0. Furthermore, the iBFT spec doesn't have a domain id field. Signed-off-by: Sinan Kaya <okaya@codeaurora.org> --- drivers/firmware/iscsi_ibft.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)