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x86/amd_nb, char/amd64-agp: Use amd_nb_num() accessor 

... to find whether there are northbridges present on the
system. Convert the last forgotten user and therefore, unexport
amd_nb_misc_ids[] too.

Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Michal Kubecek <mkubecek@suse.cz>
Cc: Yazen Ghannam <yazen.ghannam@amd.com>
Link: https://lkml.kernel.org/r/20200316150725.925-1-bp@alien8.de
This commit is contained in:
Borislav Petkov 2020-03-16 13:23:21 +01:00
parent 753039ef8b
commit 19d33357ec
3 changed files with 2 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/x86/include/asm/amd_nb.h
View File

@ -12,7 +12,6 @@ struct amd_nb_bus_dev_range {
u8 dev_limit;
};
extern const struct pci_device_id amd_nb_misc_ids[];
extern const struct amd_nb_bus_dev_range amd_nb_bus_dev_ranges[];
extern bool early_is_amd_nb(u32 value);

4
arch/x86/kernel/amd_nb.c
View File

@ -36,10 +36,9 @@ static const struct pci_device_id amd_root_ids[] = {
{}
};
#define PCI_DEVICE_ID_AMD_CNB17H_F4 0x1704
const struct pci_device_id amd_nb_misc_ids[] = {
static const struct pci_device_id amd_nb_misc_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_K8_NB_MISC) },
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_10H_NB_MISC) },
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_15H_NB_F3) },
@ -56,7 +55,6 @@ const struct pci_device_id amd_nb_misc_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_DF_F3) },
{}
};
EXPORT_SYMBOL_GPL(amd_nb_misc_ids);
static const struct pci_device_id amd_nb_link_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_15H_NB_F4) },

2
drivers/char/agp/amd64-agp.c
View File

@ -775,7 +775,7 @@ int __init agp_amd64_init(void)
}
/* First check that we have at least one AMD64 NB */
if (!pci_dev_present(amd_nb_misc_ids)) {
if (!amd_nb_num()) {
pci_unregister_driver(&agp_amd64_pci_driver);
return -ENODEV;
}