1 files changed, 17 insertions, 15 deletions

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 893b074e3d1a..2c04740c6543 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -81,30 +81,32 @@ 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 - limiting to C%ld max_cstate."
                 " Override with \"processor.max_cstate=%d\"\n", id->ident,
-               ACPI_PROCESSOR_MAX_POWER + 1);
+                (long)id->driver_data, ACPI_PROCESSOR_MAX_POWER + 1);
 
-        max_cstate = 1;
+        max_cstate = (long)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 +551,8 @@ 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 +583,8 @@ 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 +767,6 @@ 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 +774,6 @@ 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 +844,7 @@ 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);
         }