Re: [PATCH V3 24/29] backlight: deprecate pci_get_bus_and_slot()

From: Jingoo Han
Date: Mon Nov 27 2017 - 14:47:19 EST


On Monday, November 27, 2017 11:58 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.

I think that this will be useful. I introduced multi domains into
ARM-based PCIe driver. (e.g. domain 0, and domain 1) So, APIs to choose
domain will be used later.

>
> Getting ready to remove pci_get_bus_and_slot() function in favor of
> pci_get_domain_bus_and_slot().
>
> Hard-coding the domain as 0.
>
> Acked-by: Daniel Thompson <daniel.thompson@xxxxxxxxxx>
> Signed-off-by: Sinan Kaya <okaya@xxxxxxxxxxxxxx>

Acked-by: Jingoo Han <jingoohan1@xxxxxxxxx>

Best regards,
Jingoo Han

> ---
> drivers/video/backlight/apple_bl.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/video/backlight/apple_bl.c
> b/drivers/video/backlight/apple_bl.c
> index d843296..6a34ab9 100644
> --- a/drivers/video/backlight/apple_bl.c
> +++ b/drivers/video/backlight/apple_bl.c
> @@ -143,7 +143,7 @@ static int apple_bl_add(struct acpi_device *dev)
> struct pci_dev *host;
> int intensity;
>
> - host = pci_get_bus_and_slot(0, 0);
> + host = pci_get_domain_bus_and_slot(0, 0, 0);
>
> if (!host) {
> pr_err("unable to find PCI host\n");
> --
> 1.9.1