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authorDavid Shaohua Li <shaohua.li@intel.com>2005-06-22 18:37:00 -0400
committerLen Brown <len.brown@intel.com>2005-07-29 18:06:29 -0400
commit335f16be5d917334f56ec9ef7ecf983476ac0563 (patch)
tree6d3717a57c1be1edbfa0593e41232c503cfeac2e /drivers/acpi
parent0b6b2f08c24a65535cb18893ca27516389c5fc0f (diff)
[ACPI] address boot-freeze with updated DMI blacklist for c-states
http://bugzilla.kernel.org/show_bug.cgi?id=4763 Signed-off-by: David Shaohua Li <shaohua.li@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/processor_idle.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 42b34f5df98..3702725db97 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},
{},
};