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authorBjorn Helgaas <bhelgaas@google.com>2022-01-26 09:40:01 -0600
committerBjorn Helgaas <bhelgaas@google.com>2022-01-26 10:41:21 -0600
commit66d28b21fe6b3da8d1e9f0a7ba38bc61b6c547e1 (patch)
tree7c05811835998b1feb917b0cf08175732c397126 /arch/ia64
parentc035366d9c9fe48d947ee6c43465ab43d42e20f2 (diff)
PCI/sysfs: Find shadow ROM before static attribute initialization
Ville reported that the sysfs "rom" file for VGA devices disappeared after 527139d738d7 ("PCI/sysfs: Convert "rom" to static attribute"). Prior to 527139d738d7, 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 527139d738d7, "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 527139d738d7 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 527139d738d7 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: 527139d738d7 ("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>
Diffstat (limited to 'arch/ia64')
-rw-r--r--arch/ia64/pci/fixup.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/ia64/pci/fixup.c b/arch/ia64/pci/fixup.c
index acb55a41260d..2bcdd7d3a1ad 100644
--- a/arch/ia64/pci/fixup.c
+++ b/arch/ia64/pci/fixup.c
@@ -76,5 +76,5 @@ static void pci_fixup_video(struct pci_dev *pdev)
}
}
}
-DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_ANY_ID, PCI_ANY_ID,
- PCI_CLASS_DISPLAY_VGA, 8, pci_fixup_video);
+DECLARE_PCI_FIXUP_CLASS_HEADER(PCI_ANY_ID, PCI_ANY_ID,
+ PCI_CLASS_DISPLAY_VGA, 8, pci_fixup_video);