diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/amd_nb.h | 17 | ||||
| -rw-r--r-- | arch/x86/include/asm/processor.h | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/amd.c | 4 |
3 files changed, 20 insertions, 3 deletions
diff --git a/arch/x86/include/asm/amd_nb.h b/arch/x86/include/asm/amd_nb.h index b3341e9cd8f..a54ee1d054d 100644 --- a/arch/x86/include/asm/amd_nb.h +++ b/arch/x86/include/asm/amd_nb.h @@ -81,6 +81,23 @@ static inline struct amd_northbridge *node_to_amd_nb(int node) return (node < amd_northbridges.num) ? &amd_northbridges.nb[node] : NULL; } +static inline u16 amd_get_node_id(struct pci_dev *pdev) +{ + struct pci_dev *misc; + int i; + + for (i = 0; i != amd_nb_num(); i++) { + misc = node_to_amd_nb(i)->misc; + + if (pci_domain_nr(misc->bus) == pci_domain_nr(pdev->bus) && + PCI_SLOT(misc->devfn) == PCI_SLOT(pdev->devfn)) + return i; + } + + WARN(1, "Unable to find AMD Northbridge id for %s\n", pci_name(pdev)); + return 0; +} + #else #define amd_nb_num(x) 0 diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index 888184b2fc8..cf500543f6f 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -943,7 +943,7 @@ extern void start_thread(struct pt_regs *regs, unsigned long new_ip, extern int get_tsc_mode(unsigned long adr); extern int set_tsc_mode(unsigned int val); -extern int amd_get_nb_id(int cpu); +extern u16 amd_get_nb_id(int cpu); struct aperfmperf { u64 aperf, mperf; diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index 15239fffd6f..782c456eaa0 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -364,9 +364,9 @@ static void __cpuinit amd_detect_cmp(struct cpuinfo_x86 *c) #endif } -int amd_get_nb_id(int cpu) +u16 amd_get_nb_id(int cpu) { - int id = 0; + u16 id = 0; #ifdef CONFIG_SMP id = per_cpu(cpu_llc_id, cpu); #endif |