On Fri, Aug 25, 2023 at 02:27:09PM +0800, Sui Jingfeng wrote:
> From: Sui Jingfeng <suijingfeng@xxxxxxxxxxx>
>
> There is no function that can be used to get all PCI(e) devices in a
> system by matching against its the PCI base class code only, while keep
> the sub-class code and the programming interface ignored. Therefore, add
> the pci_get_base_class() function to suit the need.
>
> For example, if an application want to process all PCI(e) display devices
> in a system, it can achieve such goal by writing the code as following:
>
> pdev = NULL;
> do {
> pdev = pci_get_base_class(PCI_BASE_CLASS_DISPLAY, pdev);
> if (!pdev)
> break;
>
> do_something_for_pci_display_device(pdev);
> } while (1);
>
> Sui Jingfeng (5):
> PCI: Add the pci_get_base_class() helper
> ALSA: hda/intel: Use pci_get_base_class() to reduce duplicated code
> drm/nouveau: Use pci_get_base_class() to reduce duplicated code
> drm/amdgpu: Use pci_get_base_class() to reduce duplicated code
> drm/radeon: Use pci_get_base_class() to reduce duplicated code
>
> drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 11 +++------
> drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c | 20 ++++-----------
> drivers/gpu/drm/nouveau/nouveau_acpi.c | 11 +++------
> drivers/gpu/drm/radeon/radeon_bios.c | 20 ++++-----------
> drivers/pci/search.c | 31 ++++++++++++++++++++++++
> include/linux/pci.h | 5 ++++
> sound/pci/hda/hda_intel.c | 16 ++++--------
> 7 files changed, 59 insertions(+), 55 deletions(-)
Applied to pci/enumeration for v6.7, thanks.
