diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/platforms/cell/cpufreq_spudemand.c | 72 | ||||
| -rw-r--r-- | arch/x86/include/asm/topology.h | 12 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/intel.c | 7 | ||||
| -rw-r--r-- | arch/x86/platform/atom/punit_atom_debug.c | 5 |
4 files changed, 41 insertions, 55 deletions
diff --git a/arch/powerpc/platforms/cell/cpufreq_spudemand.c b/arch/powerpc/platforms/cell/cpufreq_spudemand.c index 82607d621aca..88301e53f085 100644 --- a/arch/powerpc/platforms/cell/cpufreq_spudemand.c +++ b/arch/powerpc/platforms/cell/cpufreq_spudemand.c @@ -85,61 +85,57 @@ static void spu_gov_cancel_work(struct spu_gov_info_struct *info) cancel_delayed_work_sync(&info->work); } -static int spu_gov_govern(struct cpufreq_policy *policy, unsigned int event) +static int spu_gov_start(struct cpufreq_policy *policy) { unsigned int cpu = policy->cpu; - struct spu_gov_info_struct *info, *affected_info; + struct spu_gov_info_struct *info = &per_cpu(spu_gov_info, cpu); + struct spu_gov_info_struct *affected_info; int i; - int ret = 0; - info = &per_cpu(spu_gov_info, cpu); - - switch (event) { - case CPUFREQ_GOV_START: - if (!cpu_online(cpu)) { - printk(KERN_ERR "cpu %d is not online\n", cpu); - ret = -EINVAL; - break; - } + if (!cpu_online(cpu)) { + printk(KERN_ERR "cpu %d is not online\n", cpu); + return -EINVAL; + } - if (!policy->cur) { - printk(KERN_ERR "no cpu specified in policy\n"); - ret = -EINVAL; - break; - } + if (!policy->cur) { + printk(KERN_ERR "no cpu specified in policy\n"); + return -EINVAL; + } - /* initialize spu_gov_info for all affected cpus */ - for_each_cpu(i, policy->cpus) { - affected_info = &per_cpu(spu_gov_info, i); - affected_info->policy = policy; - } + /* initialize spu_gov_info for all affected cpus */ + for_each_cpu(i, policy->cpus) { + affected_info = &per_cpu(spu_gov_info, i); + affected_info->policy = policy; + } - info->poll_int = POLL_TIME; + info->poll_int = POLL_TIME; - /* setup timer */ - spu_gov_init_work(info); + /* setup timer */ + spu_gov_init_work(info); - break; + return 0; +} - case CPUFREQ_GOV_STOP: - /* cancel timer */ - spu_gov_cancel_work(info); +static void spu_gov_stop(struct cpufreq_policy *policy) +{ + unsigned int cpu = policy->cpu; + struct spu_gov_info_struct *info = &per_cpu(spu_gov_info, cpu); + int i; - /* clean spu_gov_info for all affected cpus */ - for_each_cpu (i, policy->cpus) { - info = &per_cpu(spu_gov_info, i); - info->policy = NULL; - } + /* cancel timer */ + spu_gov_cancel_work(info); - break; + /* clean spu_gov_info for all affected cpus */ + for_each_cpu (i, policy->cpus) { + info = &per_cpu(spu_gov_info, i); + info->policy = NULL; } - - return ret; } static struct cpufreq_governor spu_governor = { .name = "spudemand", - .governor = spu_gov_govern, + .start = spu_gov_start, + .stop = spu_gov_stop, .owner = THIS_MODULE, }; diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h index 7f991bd5031b..c9a4ed73aef4 100644 --- a/arch/x86/include/asm/topology.h +++ b/arch/x86/include/asm/topology.h @@ -25,16 +25,6 @@ #ifndef _ASM_X86_TOPOLOGY_H #define _ASM_X86_TOPOLOGY_H -#ifdef CONFIG_X86_32 -# ifdef CONFIG_SMP -# define ENABLE_TOPO_DEFINES -# endif -#else -# ifdef CONFIG_SMP -# define ENABLE_TOPO_DEFINES -# endif -#endif - /* * to preserve the visibility of NUMA_NO_NODE definition, * moved to there from here. May be used independent of @@ -123,7 +113,7 @@ extern const struct cpumask *cpu_coregroup_mask(int cpu); #define topology_physical_package_id(cpu) (cpu_data(cpu).phys_proc_id) #define topology_core_id(cpu) (cpu_data(cpu).cpu_core_id) -#ifdef ENABLE_TOPO_DEFINES +#ifdef CONFIG_SMP #define topology_core_cpumask(cpu) (per_cpu(cpu_core_map, cpu)) #define topology_sibling_cpumask(cpu) (per_cpu(cpu_sibling_map, cpu)) diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index 6e2ffbebbcdb..c1a89bc026ac 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -300,15 +300,14 @@ static void intel_workarounds(struct cpuinfo_x86 *c) } /* - * P4 Xeon errata 037 workaround. + * P4 Xeon erratum 037 workaround. * Hardware prefetcher may cause stale data to be loaded into the cache. */ if ((c->x86 == 15) && (c->x86_model == 1) && (c->x86_mask == 1)) { if (msr_set_bit(MSR_IA32_MISC_ENABLE, - MSR_IA32_MISC_ENABLE_PREFETCH_DISABLE_BIT) - > 0) { + MSR_IA32_MISC_ENABLE_PREFETCH_DISABLE_BIT) > 0) { pr_info("CPU: C0 stepping P4 Xeon detected.\n"); - pr_info("CPU: Disabling hardware prefetching (Errata 037)\n"); + pr_info("CPU: Disabling hardware prefetching (Erratum 037)\n"); } } diff --git a/arch/x86/platform/atom/punit_atom_debug.c b/arch/x86/platform/atom/punit_atom_debug.c index 81c769e80614..109782996867 100644 --- a/arch/x86/platform/atom/punit_atom_debug.c +++ b/arch/x86/platform/atom/punit_atom_debug.c @@ -23,6 +23,7 @@ #include <linux/seq_file.h> #include <linux/io.h> #include <asm/cpu_device_id.h> +#include <asm/intel-family.h> #include <asm/iosf_mbi.h> /* Power gate status reg */ @@ -143,8 +144,8 @@ static void punit_dbgfs_unregister(void) (kernel_ulong_t)&drv_data } static const struct x86_cpu_id intel_punit_cpu_ids[] = { - ICPU(55, punit_device_byt), /* Valleyview, Bay Trail */ - ICPU(76, punit_device_cht), /* Braswell, Cherry Trail */ + ICPU(INTEL_FAM6_ATOM_SILVERMONT1, punit_device_byt), + ICPU(INTEL_FAM6_ATOM_AIRMONT, punit_device_cht), {} }; |