From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- arch/x86/pci/init.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 arch/x86/pci/init.c (limited to 'arch/x86/pci/init.c') diff --git a/arch/x86/pci/init.c b/arch/x86/pci/init.c new file mode 100644 index 000000000..0bb3b8b44 --- /dev/null +++ b/arch/x86/pci/init.c @@ -0,0 +1,51 @@ +// SPDX-License-Identifier: GPL-2.0 +#include +#include +#include +#include +#include + +/* arch_initcall has too random ordering, so call the initializers + in the right sequence from here. */ +static __init int pci_arch_init(void) +{ + int type, pcbios = 1; + + type = pci_direct_probe(); + + if (!(pci_probe & PCI_PROBE_NOEARLY)) + pci_mmcfg_early_init(); + + if (x86_init.pci.arch_init) + pcbios = x86_init.pci.arch_init(); + + /* + * Must happen after x86_init.pci.arch_init(). Xen sets up the + * x86_init.irqs.create_pci_msi_domain there. + */ + x86_create_pci_msi_domain(); + + if (!pcbios) + return 0; + + pci_pcbios_init(); + + /* + * don't check for raw_pci_ops here because we want pcbios as last + * fallback, yet it's needed to run first to set pcibios_last_bus + * in case legacy PCI probing is used. otherwise detecting peer busses + * fails. + */ + pci_direct_init(type); + + if (!raw_pci_ops && !raw_pci_ext_ops) + printk(KERN_ERR + "PCI: Fatal: No config space access function found\n"); + + dmi_check_pciprobe(); + + dmi_check_skip_isa_align(); + + return 0; +} +arch_initcall(pci_arch_init); -- cgit v1.2.3