3 files changed, 25 insertions, 3 deletions
diff --git a/drivers/platform/x86/dell/alienware-wmi-wmax.c b/drivers/platform/x86/dell/alienware-wmi-wmax.c
index 20ec122a9fe0..b58cf74197f0 100644
--- a/drivers/platform/x86/dell/alienware-wmi-wmax.c
+++ b/drivers/platform/x86/dell/alienware-wmi-wmax.c
@@ -90,6 +90,14 @@ static struct awcc_quirks empty_quirks;
 
 static const struct dmi_system_id awcc_dmi_table[] __initconst = {
 	{
+		.ident = "Alienware Area-51m",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Alienware Area-51m"),
+		},
+		.driver_data = &generic_quirks,
+	},
+	{
 		.ident = "Alienware Area-51m R2",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
@@ -98,6 +106,14 @@ static const struct dmi_system_id awcc_dmi_table[] __initconst = {
 		.driver_data = &generic_quirks,
 	},
 	{
+		.ident = "Alienware m15 R5",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Alienware m15 R5"),
+		},
+		.driver_data = &generic_quirks,
+	},
+	{
 		.ident = "Alienware m15 R7",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
@@ -233,6 +249,7 @@ static const struct dmi_system_id awcc_dmi_table[] __initconst = {
 		},
 		.driver_data = &g_series_quirks,
 	},
+	{}
 };
 
 enum AWCC_GET_FAN_SENSORS_OPERATIONS {
diff --git a/drivers/platform/x86/dell/dell-lis3lv02d.c b/drivers/platform/x86/dell/dell-lis3lv02d.c
index 0791118dd6b7..732de5f556f8 100644
--- a/drivers/platform/x86/dell/dell-lis3lv02d.c
+++ b/drivers/platform/x86/dell/dell-lis3lv02d.c
@@ -49,6 +49,7 @@ static const struct dmi_system_id lis3lv02d_devices[] __initconst = {
 	DELL_LIS3LV02D_DMI_ENTRY("Latitude E6330",     0x29),
 	DELL_LIS3LV02D_DMI_ENTRY("Latitude E6430",     0x29),
 	DELL_LIS3LV02D_DMI_ENTRY("Precision 3540",     0x29),
+	DELL_LIS3LV02D_DMI_ENTRY("Precision 3551",     0x29),
 	DELL_LIS3LV02D_DMI_ENTRY("Precision M6800",    0x29),
 	DELL_LIS3LV02D_DMI_ENTRY("Vostro V131",        0x1d),
 	DELL_LIS3LV02D_DMI_ENTRY("Vostro 5568",        0x29),
diff --git a/drivers/platform/x86/dell/dell-wmi-ddv.c b/drivers/platform/x86/dell/dell-wmi-ddv.c
index 67f3d7158403..62e3d060f038 100644
--- a/drivers/platform/x86/dell/dell-wmi-ddv.c
+++ b/drivers/platform/x86/dell/dell-wmi-ddv.c
@@ -689,9 +689,13 @@ static int dell_wmi_ddv_battery_translate(struct dell_wmi_ddv_data *data,
 
 	dev_dbg(&data->wdev->dev, "Translation cache miss\n");
 
-	/* Perform a translation between a ACPI battery and a battery index */
-
-	ret = power_supply_get_property(battery, POWER_SUPPLY_PROP_SERIAL_NUMBER, &val);
+	/*
+	 * Perform a translation between a ACPI battery and a battery index.
+	 * We have to use power_supply_get_property_direct() here because this
+	 * function will also get called from the callbacks of the power supply
+	 * extension.
+	 */
+	ret = power_supply_get_property_direct(battery, POWER_SUPPLY_PROP_SERIAL_NUMBER, &val);
 	if (ret < 0)
 		return ret;