diff options
Diffstat (limited to 'arch/i386/kernel/cpu/cpufreq/longhaul.c')
| -rw-r--r-- | arch/i386/kernel/cpu/cpufreq/longhaul.c | 33 |
1 files changed, 11 insertions, 22 deletions
diff --git a/arch/i386/kernel/cpu/cpufreq/longhaul.c b/arch/i386/kernel/cpu/cpufreq/longhaul.c index a3df9c039bd4..f85cff4ebba5 100644 --- a/arch/i386/kernel/cpu/cpufreq/longhaul.c +++ b/arch/i386/kernel/cpu/cpufreq/longhaul.c @@ -55,7 +55,6 @@ /* Flags */ #define USE_ACPI_C3 (1 << 1) #define USE_NORTHBRIDGE (1 << 2) -#define USE_VT8235 (1 << 3) static int cpu_model; static unsigned int numscales=16; @@ -627,7 +626,7 @@ static int enable_arbiter_disable(void) return 0; } -static int longhaul_setup_vt8235(void) +static int longhaul_setup_southbridge(void) { struct pci_dev *dev; u8 pci_cmd; @@ -657,7 +656,6 @@ static int __init longhaul_cpu_init(struct cpufreq_policy *policy) char *cpuname=NULL; int ret; u32 lo, hi; - int vt8235_present; /* Check what we have on this motherboard */ switch (c->x86_model) { @@ -755,7 +753,7 @@ static int __init longhaul_cpu_init(struct cpufreq_policy *policy) }; /* Doesn't hurt */ - vt8235_present = longhaul_setup_vt8235(); + longhaul_setup_southbridge(); /* Find ACPI data for processor */ acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT, @@ -765,35 +763,26 @@ static int __init longhaul_cpu_init(struct cpufreq_policy *policy) /* Check ACPI support for C3 state */ if (pr != NULL && longhaul_version == TYPE_POWERSAVER) { cx = &pr->power.states[ACPI_STATE_C3]; - if (cx->address > 0 && cx->latency <= 1000) { + if (cx->address > 0 && cx->latency <= 1000) longhaul_flags |= USE_ACPI_C3; - goto print_support_type; - } } /* Check if northbridge is friendly */ - if (enable_arbiter_disable()) { + if (enable_arbiter_disable()) longhaul_flags |= USE_NORTHBRIDGE; - goto print_support_type; - } - /* Use VT8235 southbridge if present */ - if (longhaul_version == TYPE_POWERSAVER && vt8235_present) { - longhaul_flags |= USE_VT8235; - goto print_support_type; - } + /* Check ACPI support for bus master arbiter disable */ - if ((pr == NULL) || !(pr->flags.bm_control)) { + if (!(longhaul_flags & USE_ACPI_C3 + || longhaul_flags & USE_NORTHBRIDGE) + && ((pr == NULL) || !(pr->flags.bm_control))) { printk(KERN_ERR PFX "No ACPI support. Unsupported northbridge.\n"); return -ENODEV; } -print_support_type: if (longhaul_flags & USE_NORTHBRIDGE) - printk (KERN_INFO PFX "Using northbridge support.\n"); - else if (longhaul_flags & USE_VT8235) - printk (KERN_INFO PFX "Using VT8235 support.\n"); - else - printk (KERN_INFO PFX "Using ACPI support.\n"); + printk(KERN_INFO PFX "Using northbridge support.\n"); + if (longhaul_flags & USE_ACPI_C3) + printk(KERN_INFO PFX "Using ACPI support.\n"); ret = longhaul_get_ranges(); if (ret != 0) |
