diff options
| author | Pu Wen <puwen@hygon.cn> | 2019-06-12 20:53:58 +0800 |
|---|---|---|
| committer | Andrew Cooper <andrew.cooper3@citrix.com> | 2019-06-12 13:59:05 +0100 |
| commit | be9e6ddfc1592086d621922fa948f8c37c3ab319 (patch) | |
| tree | dd86b7346d3e70803520d8d6448699258fb6f066 /xen/arch/x86/acpi/cpufreq/cpufreq.c | |
| parent | 07513e15e6e7e5163bf4f59c747825cce748531c (diff) | |
x86/acpi: Add Hygon Dhyana support
Add Hygon Dhyana support to the acpi cpufreq and cpuidle subsystems by
using the code path of AMD.
Signed-off-by: Pu Wen <puwen@hygon.cn>
Acked-by: Jan Beulich <jbeulich@suse.com>
Diffstat (limited to 'xen/arch/x86/acpi/cpufreq/cpufreq.c')
| -rw-r--r-- | xen/arch/x86/acpi/cpufreq/cpufreq.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/xen/arch/x86/acpi/cpufreq/cpufreq.c b/xen/arch/x86/acpi/cpufreq/cpufreq.c index f4e13e10e8..7086d1aa15 100644 --- a/xen/arch/x86/acpi/cpufreq/cpufreq.c +++ b/xen/arch/x86/acpi/cpufreq/cpufreq.c @@ -649,7 +649,8 @@ static int __init cpufreq_driver_init(void) (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL)) ret = cpufreq_register_driver(&acpi_cpufreq_driver); else if ((cpufreq_controller == FREQCTL_xen) && - (boot_cpu_data.x86_vendor == X86_VENDOR_AMD)) + (boot_cpu_data.x86_vendor & + (X86_VENDOR_AMD | X86_VENDOR_HYGON))) ret = powernow_register_driver(); return ret; @@ -660,8 +661,9 @@ int cpufreq_cpu_init(unsigned int cpuid) { int ret; - /* Currently we only handle Intel and AMD processor */ - if ( boot_cpu_data.x86_vendor & (X86_VENDOR_INTEL | X86_VENDOR_AMD) ) + /* Currently we only handle Intel, AMD and Hygon processor */ + if ( boot_cpu_data.x86_vendor & + (X86_VENDOR_INTEL | X86_VENDOR_AMD | X86_VENDOR_HYGON) ) ret = cpufreq_add_cpu(cpuid); else ret = -EFAULT; |