[PATCH 2/2] Revert "ACPI: processor: idle: fix lockup regression on 32-bit ThinkPad T40"

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From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

This reverts commit bfe55a1f7fd6bfede16078bf04c6250fbca11588.

This was presumably misdiagnosed as an inability to use C3 at
all when I suspect the real problem is just misconfiguration of
C3 vs. ARB_DIS.

Cc: stable@xxxxxxxxxxxxxxx
Cc: Woody Suwalski <wsuwalski@xxxxxxxxx>
Cc: Mario Limonciello <mario.limonciello@xxxxxxx>
Cc: Richard Gong <richard.gong@xxxxxxx>
Cc: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
 drivers/acpi/processor_idle.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 54f0a1915025..d4632b8adbc5 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -96,11 +96,6 @@ static const struct dmi_system_id processor_power_dmi_table[] = {
 	  DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
 	  DMI_MATCH(DMI_PRODUCT_NAME,"L8400B series Notebook PC")},
 	 (void *)1},
-	/* T40 can not handle C3 idle state */
-	{ set_max_cstate, "IBM ThinkPad T40", {
-	  DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
-	  DMI_MATCH(DMI_PRODUCT_NAME, "23737CU")},
-	 (void *)2},
 	{},
 };
 
-- 
2.35.1




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