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66d28b21fe
linux/arch/ia64
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Bjorn Helgaas 66d28b21fe PCI/sysfs: Find shadow ROM before static attribute initialization 
Ville reported that the sysfs "rom" file for VGA devices disappeared after
527139d738 ("PCI/sysfs: Convert "rom" to static attribute").

Prior to 527139d738, FINAL fixups, including pci_fixup_video() where we
find shadow ROMs, were run before pci_create_sysfs_dev_files() created the
sysfs "rom" file.

After 527139d738, "rom" is a static attribute and is created before FINAL
fixups are run, so we didn't create "rom" files for shadow ROMs:

  acpi_pci_root_add
    ...
      pci_scan_single_device
        pci_device_add
          pci_fixup_video                    # <-- new HEADER fixup
          device_add
            ...
              if (grp->is_visible())
                pci_dev_rom_attr_is_visible  # after 527139d738
    pci_bus_add_devices
      pci_bus_add_device
        pci_fixup_device(pci_fixup_final)
          pci_fixup_video                    # <-- previous FINAL fixup
        pci_create_sysfs_dev_files
          if (pci_resource_len(pdev, PCI_ROM_RESOURCE))
            sysfs_create_bin_file("rom")     # before 527139d738

Change pci_fixup_video() to be a HEADER fixup so it runs before sysfs
static attributes are initialized.

Rename the Loongson pci_fixup_radeon() to pci_fixup_video() and make its
dmesg logging identical to the others since it is doing the same job.

Link: https://lore.kernel.org/r/YbxqIyrkv3GhZVxx@intel.com
Fixes: 527139d738 ("PCI/sysfs: Convert "rom" to static attribute")
Link: https://lore.kernel.org/r/20220126154001.16895-1-helgaas@kernel.org
Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: stable@vger.kernel.org			# v5.13+
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Krzysztof Wilczyński <kw@linux.com>
2022-01-26 10:41:21 -06:00
..
configs ia64: drop marked broken DISCONTIGMEM and VIRTUAL_MEM_MAP 2021-04-30 11:20:35 -07:00
hp/common ia64/sba_iommu: return error code from sba_map_sg_attrs() 2021-08-09 17:13:05 +02:00
include bitmap patches for 5.17-rc1 2022-01-23 06:20:44 +02:00
kernel proc: remove PDE_DATA() completely 2022-01-22 08:33:37 +02:00
lib Merge branch 'work.csum_and_copy' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-10-12 16:24:13 -07:00
mm Merge branch 'signal-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2022-01-17 05:49:30 +02:00
pci PCI/sysfs: Find shadow ROM before static attribute initialization 2022-01-26 10:41:21 -06:00
scripts kbuild: remove PYTHON variable 2021-02-01 10:37:19 +09:00
uv ia64: remove support for machvecs 2019-08-16 14:32:26 -07:00
install.sh
Kbuild ia64: move core-y in arch/ia64/Makefile to arch/ia64/Kbuild 2021-09-03 08:17:20 +09:00
Kconfig mm: percpu: generalize percpu related config 2022-01-20 08:52:52 +02:00
Kconfig.debug ia64: don't do IA64_CMPXCHG_DEBUG without CONFIG_PRINTK 2021-10-04 10:45:58 +02:00
Makefile kbuild: use more subdir- for visiting subdirectories while cleaning 2021-10-24 13:49:46 +09:00