[Public] > -----Original Message----- > From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Sui > Jingfeng > Sent: Friday, August 25, 2023 2:27 AM > To: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> > Cc: alsa-devel@xxxxxxxxxxxxxxxx; Sui Jingfeng <suijingfeng@xxxxxxxxxxx>; > nouveau@xxxxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; dri- > devel@xxxxxxxxxxxxxxxxxxxxx; amd-gfx@xxxxxxxxxxxxxxxxxxxxx; linux- > pci@xxxxxxxxxxxxxxx > Subject: [PATCH 0/5] Add the pci_get_base_class() helper and use it > > 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 > Series is: Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx> > 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(-) > > -- > 2.34.1