ACPI: PM: save NVS memory for Lenovo G40-45
authorManyi Li <limanyi@uniontech.com>
Wed, 22 Jun 2022 07:42:48 +0000 (15:42 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 17 Aug 2022 12:23:03 +0000 (14:23 +0200)
[ Upstream commit 4b7ef7b05afcde44142225c184bf43a0cd9e2178 ]

[821d6f0359b0614792ab8e2fb93b503e25a65079] is to make machines
produced from 2012 to now not saving NVS region to accelerate S3.

But, Lenovo G40-45, a platform released in 2015, still needs NVS memory
saving during S3. A quirk is introduced for this platform.

Signed-off-by: Manyi Li <limanyi@uniontech.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/acpi/sleep.c

index 07515139141e5cda68979a381042b383992f465e..d7194047d25661ac4e1bb2c0b193b71fff30cbde 100644 (file)
@@ -361,6 +361,14 @@ static const struct dmi_system_id acpisleep_dmi_table[] __initconst = {
                DMI_MATCH(DMI_PRODUCT_NAME, "80E3"),
                },
        },
+       {
+       .callback = init_nvs_save_s3,
+       .ident = "Lenovo G40-45",
+       .matches = {
+               DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+               DMI_MATCH(DMI_PRODUCT_NAME, "80E1"),
+               },
+       },
        /*
         * ThinkPad X1 Tablet(2016) cannot do suspend-to-idle using
         * the Low Power S0 Idle firmware interface (see