On Fri, 16 Feb 2018, Bjorn Helgaas <helgaas@xxxxxxxxxx> wrote:
> On Mon, Nov 27, 2017 at 11:57:46AM -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().
>>
>> Extract the domain number from drm_device and pass it into
>> pci_get_domain_bus_and_slot() function.
>>
>> Signed-off-by: Sinan Kaya <okaya@xxxxxxxxxxxxxx>
>
> I don't know what happened to this, and it didn't make it into
> v4.16-rc1. I applied it to pci/deprecate-get-bus-and-slot for v4.17
> along with the patch that actually removes pci_get_bus_and_slot().
It fell between the cracks as we couldn't apply it before getting a
backmerge on the dependency. Sorry about that.
Ack for merging through your tree.
Thanks,
Jani.
>
>> ---
>> drivers/gpu/drm/i915/i915_drv.c | 5 ++++-
>> 1 file changed, 4 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
>> index 9f45cfe..5a8cb79 100644
>> --- a/drivers/gpu/drm/i915/i915_drv.c
>> +++ b/drivers/gpu/drm/i915/i915_drv.c
>> @@ -419,7 +419,10 @@ static int i915_getparam(struct drm_device *dev, void *data,
>>
>> static int i915_get_bridge_dev(struct drm_i915_private *dev_priv)
>> {
>> - dev_priv->bridge_dev = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0));
>> + int domain = pci_domain_nr(dev_priv->drm.pdev->bus);
>> +
>> + dev_priv->bridge_dev =
>> + pci_get_domain_bus_and_slot(domain, 0, PCI_DEVFN(0, 0));
>> if (!dev_priv->bridge_dev) {
>> DRM_ERROR("bridge device not found\n");
>> return -1;
>> --
>> 1.9.1
>>
>>
>> _______________________________________________
>> linux-arm-kernel mailing list
>> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
>> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
--
Jani Nikula, Intel Open Source Technology Center
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