RE: [PATCH 0/5] Add the pci_get_base_class() helper and use it
From: Deucher, Alexander
Date: Fri Aug 25 2023 - 09:18:57 EST
[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