[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>

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 42b34f5df98b94da8598aab89e2d55e5e4649bb4..3702725db97aa69cbd6a813038528ae2ff559572 100644 (file)
--- 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},
        {},
 };