diff options
| author | Len Brown <len.brown@intel.com> | 2005-07-29 23:31:17 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2005-07-29 23:31:17 -0400 |
| commit | d6ac1a7910d22626bc77e73db091e00b810715f4 (patch) | |
| tree | c8f235b7287056a03bc2bc032902469a331b5e56 /drivers/acpi/processor_idle.c | |
| parent | 577a4f8102d54b504cb22eb021b89e957e8df18f (diff) | |
| parent | 87bec66b9691522414862dd8d41e430b063735ef (diff) | |
/home/lenb/src/to-linus branch 'acpi-2.6.12'
Diffstat (limited to 'drivers/acpi/processor_idle.c')
| -rw-r--r-- | drivers/acpi/processor_idle.c | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 893b074e3d1a..af271d994f15 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -81,30 +81,33 @@ module_param(bm_history, uint, 0644); * * To skip this limit, boot/load with a large max_cstate limit. */ -static int no_c2c3(struct dmi_system_id *id) +static int set_max_cstate(struct dmi_system_id *id) { if (max_cstate > ACPI_PROCESSOR_MAX_POWER) return 0; - printk(KERN_NOTICE PREFIX "%s detected - C2,C3 disabled." + printk(KERN_NOTICE PREFIX "%s detected - %s disabled." " Override with \"processor.max_cstate=%d\"\n", id->ident, + ((int)id->driver_data == 1)? "C2,C3":"C3", ACPI_PROCESSOR_MAX_POWER + 1); - max_cstate = 1; + max_cstate = (int)id->driver_data; return 0; } - - static struct dmi_system_id __initdata processor_power_dmi_table[] = { - { no_c2c3, "IBM ThinkPad R40e", { + { set_max_cstate, "IBM ThinkPad R40e", { DMI_MATCH(DMI_BIOS_VENDOR,"IBM"), - DMI_MATCH(DMI_BIOS_VERSION,"1SET60WW") }}, - { no_c2c3, "Medion 41700", { + DMI_MATCH(DMI_BIOS_VERSION,"1SET60WW") }, (void*)1}, + { set_max_cstate, "Medion 41700", { + DMI_MATCH(DMI_BIOS_VENDOR,"Phoenix Technologies LTD"), + DMI_MATCH(DMI_BIOS_VERSION,"R01-A1J") }, (void*)1}, + { set_max_cstate, "Clevo 5600D", { DMI_MATCH(DMI_BIOS_VENDOR,"Phoenix Technologies LTD"), - DMI_MATCH(DMI_BIOS_VERSION,"R01-A1J") }}, + DMI_MATCH(DMI_BIOS_VERSION,"SHE845M0.86C.0013.D.0302131307") }, + (void*)2}, {}, }; @@ -549,7 +552,8 @@ static int acpi_processor_get_power_info_default_c1 (struct acpi_processor *pr) ACPI_FUNCTION_TRACE("acpi_processor_get_power_info_default_c1"); for (i = 0; i < ACPI_PROCESSOR_MAX_POWER; i++) - memset(pr->power.states, 0, sizeof(struct acpi_processor_cx)); + memset(&(pr->power.states[i]), 0, + sizeof(struct acpi_processor_cx)); /* if info is obtained from pblk/fadt, type equals state */ pr->power.states[ACPI_STATE_C1].type = ACPI_STATE_C1; @@ -580,7 +584,8 @@ static int acpi_processor_get_power_info_cst (struct acpi_processor *pr) pr->power.count = 0; for (i = 0; i < ACPI_PROCESSOR_MAX_POWER; i++) - memset(pr->power.states, 0, sizeof(struct acpi_processor_cx)); + memset(&(pr->power.states[i]), 0, + sizeof(struct acpi_processor_cx)); status = acpi_evaluate_object(pr->handle, "_CST", NULL, &buffer); if (ACPI_FAILURE(status)) { @@ -763,7 +768,6 @@ static void acpi_processor_power_verify_c3( } if (pr->flags.bm_check) { - printk("Disabling BM access before entering C3\n"); /* bus mastering control is necessary */ if (!pr->flags.bm_control) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, @@ -771,7 +775,6 @@ static void acpi_processor_power_verify_c3( return_VOID; } } else { - printk("Invalidating cache before entering C3\n"); /* * WBINVD should be set in fadt, for C3 state to be * supported on when bm_check is not required. @@ -842,7 +845,7 @@ static int acpi_processor_get_power_info ( result = acpi_processor_get_power_info_cst(pr); if ((result) || (acpi_processor_power_verify(pr) < 2)) { result = acpi_processor_get_power_info_fadt(pr); - if (result) + if ((result) || (acpi_processor_power_verify(pr) < 2)) result = acpi_processor_get_power_info_default_c1(pr); } |