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authorVille Syrjälä <ville.syrjala@linux.intel.com>2022-04-20 16:44:17 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2022-04-21 19:58:14 +0200
commit20e582e16af24b074e583f9551fad557882a3c9d (patch)
treed3169c647df3be7b9dd942124ded71004b928291 /drivers/acpi/processor_idle.c
parentfc45e55ebc58dbf622cb89ddbf797589c7a5510b (diff)
downloadlinux-20e582e16af24b074e583f9551fad557882a3c9d.tar.bz2
Revert "ACPI: processor: idle: fix lockup regression on 32-bit ThinkPad T40"
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. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: 5.16+ <stable@vger.kernel.org> # 5.16+ Tested-by: Woody Suwalski <wsuwalski@gmail.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/processor_idle.c')
-rw-r--r--drivers/acpi/processor_idle.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 5f296e099bce..eb95e188d62b 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},
{},
};