Re: [PATCH V4 05/26] agp: nvidia: deprecate pci_get_bus_and_slot()

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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.
> 
> Getting ready to remove pci_get_bus_and_slot() function in favor of
> pci_get_domain_bus_and_slot().
> 
> Replace pci_get_bus_and_slot() with pci_get_domain_bus_and_slot()
> and extract the domain number from struct pci_dev.
> 
> Signed-off-by: Sinan Kaya <okaya@xxxxxxxxxxxxxx>
> ---
>  drivers/char/agp/nvidia-agp.c | 12 +++++++++---
>  drivers/char/agp/sworks-agp.c |  3 ++-
>  2 files changed, 11 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c
> index 828b344..623205b 100644
> --- a/drivers/char/agp/nvidia-agp.c
> +++ b/drivers/char/agp/nvidia-agp.c
> @@ -340,11 +340,17 @@ static int agp_nvidia_probe(struct pci_dev *pdev,
>  	u8 cap_ptr;
>  
>  	nvidia_private.dev_1 =
> -		pci_get_bus_and_slot((unsigned int)pdev->bus->number, PCI_DEVFN(0, 1));
> +		pci_get_domain_bus_and_slot(pci_domain_nr(pdev->bus),
> +					    (unsigned int)pdev->bus->number,
> +					    PCI_DEVFN(0, 1));
>  	nvidia_private.dev_2 =
> -		pci_get_bus_and_slot((unsigned int)pdev->bus->number, PCI_DEVFN(0, 2));
> +		pci_get_domain_bus_and_slot(pci_domain_nr(pdev->bus),
> +					    (unsigned int)pdev->bus->number,
> +					    PCI_DEVFN(0, 2));
>  	nvidia_private.dev_3 =
> -		pci_get_bus_and_slot((unsigned int)pdev->bus->number, PCI_DEVFN(30, 0));
> +		pci_get_domain_bus_and_slot(pci_domain_nr(pdev->bus),
> +					    (unsigned int)pdev->bus->number,
> +					    PCI_DEVFN(30, 0));
>  
>  	if (!nvidia_private.dev_1 || !nvidia_private.dev_2 || !nvidia_private.dev_3) {
>  		printk(KERN_INFO PFX "Detected an NVIDIA nForce/nForce2 "
> diff --git a/drivers/char/agp/sworks-agp.c b/drivers/char/agp/sworks-agp.c
> index 03be4ac..4dbdd3b 100644
> --- a/drivers/char/agp/sworks-agp.c
> +++ b/drivers/char/agp/sworks-agp.c
> @@ -474,7 +474,8 @@ static int agp_serverworks_probe(struct pci_dev *pdev,
>  	}
>  
>  	/* Everything is on func 1 here so we are hardcoding function one */
> -	bridge_dev = pci_get_bus_and_slot((unsigned int)pdev->bus->number,
> +	bridge_dev = pci_get_domain_bus_and_slot(pci_domain_nr(pdev->bus),
> +			(unsigned int)pdev->bus->number,
>  			PCI_DEVFN(0, 1));
>  	if (!bridge_dev) {
>  		dev_info(&pdev->dev, "can't find secondary device\n");
> 

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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