Re: [PATCH V2 24/29] backlight: deprecate pci_get_bus_and_slot()

From: Daniel Thompson
Date: Thu Nov 23 2017 - 07:11:28 EST




On 22/11/17 22:49, 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().

Hard-coding the domain as 0.

Signed-off-by: Sinan Kaya <okaya@xxxxxxxxxxxxxx>

I've no opinion on the wisdom or otherwise of removing the restrictive API but, providing the removal of that API from the header file collects the appropriate ack, then:

Acked-by: Daniel Thompson <daniel.thompson@xxxxxxxxxx>


---
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");