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authorOtavio Salvador <otavio@ossystems.com.br>2017-12-13 18:16:19 -0200
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2017-12-21 15:01:33 +0100
commitfb2d2dee504a963efdcb76517b5cdf25444cf535 (patch)
treef1b58594ba11c6c41c3acddde35890f68c42ea9e /drivers/acpi/sleep.c
parenteffee16e4c0cc8b570d372e33633e9f9bc8359c7 (diff)
parentd9f7e5584f0e3e34a2c14825657a6b31e7184171 (diff)
Merge pull request #21 from falstaff84/4.9-1.0.x-imx-fixes-stable-merge
4.9-1.0.x-imx stable 4.9.67 merge
Diffstat (limited to 'drivers/acpi/sleep.c')
-rw-r--r--drivers/acpi/sleep.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 54abb26b7366..a4327af676fe 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -130,6 +130,12 @@ void __init acpi_nvs_nosave_s3(void)
nvs_nosave_s3 = true;
}
+static int __init init_nvs_save_s3(const struct dmi_system_id *d)
+{
+ nvs_nosave_s3 = false;
+ return 0;
+}
+
/*
* ACPI 1.0 wants us to execute _PTS before suspending devices, so we allow the
* user to request that behavior by using the 'acpi_old_suspend_ordering'
@@ -324,6 +330,19 @@ static struct dmi_system_id acpisleep_dmi_table[] __initdata = {
DMI_MATCH(DMI_PRODUCT_NAME, "K54HR"),
},
},
+ /*
+ * https://bugzilla.kernel.org/show_bug.cgi?id=189431
+ * Lenovo G50-45 is a platform later than 2012, but needs nvs memory
+ * saving during S3.
+ */
+ {
+ .callback = init_nvs_save_s3,
+ .ident = "Lenovo G50-45",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "80E3"),
+ },
+ },
{},
};