Merge tag 'platform-drivers-x86-v6.10-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver fixes from Hans de Goede:

 - Fix lg-laptop driver not working with 2024 LG laptop models

 - Add missing MODULE_DESCRIPTION() macros to various modules

 - nvsw-sn2201: Add check for platform_device_add_resources

* tag 'platform-drivers-x86-v6.10-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
  platform/x86: add missing MODULE_DESCRIPTION() macros
  platform/x86/intel: add missing MODULE_DESCRIPTION() macros
  platform/x86/siemens: add missing MODULE_DESCRIPTION() macros
  platform/x86: lg-laptop: Use ACPI device handle when evaluating WMAB/WMBB
  platform/x86: lg-laptop: Change ACPI device id
  platform/x86: lg-laptop: Remove LGEX0815 hotkey handling
  platform/x86: wireless-hotkey: Add support for LG Airplane Button
  platform/mellanox: nvsw-sn2201: Add check for platform_device_add_resources

18 files changed, 56 insertions, 56 deletions

diff --git a/drivers/platform/mellanox/nvsw-sn2201.c b/drivers/platform/mellanox/nvsw-sn2201.c
index 3ef655591424..abe7be602f84 100644
--- a/drivers/platform/mellanox/nvsw-sn2201.c
+++ b/drivers/platform/mellanox/nvsw-sn2201.c
@@ -1198,6 +1198,7 @@ static int nvsw_sn2201_config_pre_init(struct nvsw_sn2201 *nvsw_sn2201)
 static int nvsw_sn2201_probe(struct platform_device *pdev)
 {
 	struct nvsw_sn2201 *nvsw_sn2201;
+	int ret;
 
 	nvsw_sn2201 = devm_kzalloc(&pdev->dev, sizeof(*nvsw_sn2201), GFP_KERNEL);
 	if (!nvsw_sn2201)
@@ -1205,8 +1206,10 @@ static int nvsw_sn2201_probe(struct platform_device *pdev)
 
 	nvsw_sn2201->dev = &pdev->dev;
 	platform_set_drvdata(pdev, nvsw_sn2201);
-	platform_device_add_resources(pdev, nvsw_sn2201_lpc_io_resources,
+	ret = platform_device_add_resources(pdev, nvsw_sn2201_lpc_io_resources,
 				      ARRAY_SIZE(nvsw_sn2201_lpc_io_resources));
+	if (ret)
+		return ret;
 
 	nvsw_sn2201->main_mux_deferred_nr = NVSW_SN2201_MAIN_MUX_DEFER_NR;
 	nvsw_sn2201->main_mux_devs = nvsw_sn2201_main_mux_brdinfo;
diff --git a/drivers/platform/x86/amilo-rfkill.c b/drivers/platform/x86/amilo-rfkill.c
index efcf909786a5..2423dc91debb 100644
--- a/drivers/platform/x86/amilo-rfkill.c
+++ b/drivers/platform/x86/amilo-rfkill.c
@@ -171,6 +171,7 @@ static void __exit amilo_rfkill_exit(void)
 }
 
 MODULE_AUTHOR("Ben Hutchings <ben@decadent.org.uk>");
+MODULE_DESCRIPTION("Fujitsu-Siemens Amilo rfkill support");
 MODULE_LICENSE("GPL");
 MODULE_DEVICE_TABLE(dmi, amilo_rfkill_id_table);
 
diff --git a/drivers/platform/x86/firmware_attributes_class.c b/drivers/platform/x86/firmware_attributes_class.c
index dd8240009565..182a07d8ae3d 100644
--- a/drivers/platform/x86/firmware_attributes_class.c
+++ b/drivers/platform/x86/firmware_attributes_class.c
@@ -49,4 +49,5 @@ int fw_attributes_class_put(void)
 EXPORT_SYMBOL_GPL(fw_attributes_class_put);
 
 MODULE_AUTHOR("Mark Pearson <markpearson@lenovo.com>");
+MODULE_DESCRIPTION("Firmware attributes class helper module");
 MODULE_LICENSE("GPL");
diff --git a/drivers/platform/x86/ibm_rtl.c b/drivers/platform/x86/ibm_rtl.c
index 1d4bbae115f1..231b37909801 100644
--- a/drivers/platform/x86/ibm_rtl.c
+++ b/drivers/platform/x86/ibm_rtl.c
@@ -29,6 +29,7 @@ static bool debug;
 module_param(debug, bool, 0644);
 MODULE_PARM_DESC(debug, "Show debug output");
 
+MODULE_DESCRIPTION("IBM Premium Real Time Mode (PRTM) driver");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Keith Mannthey <kmmanth@us.ibm.com>");
 MODULE_AUTHOR("Vernon Mauery <vernux@us.ibm.com>");
diff --git a/drivers/platform/x86/intel/hid.c b/drivers/platform/x86/intel/hid.c
index c7a827645864..10cd65497cc1 100644
--- a/drivers/platform/x86/intel/hid.c
+++ b/drivers/platform/x86/intel/hid.c
@@ -38,6 +38,7 @@ MODULE_PARM_DESC(enable_sw_tablet_mode,
 /* When NOT in tablet mode, VGBS returns with the flag 0x40 */
 #define TABLET_MODE_FLAG BIT(6)
 
+MODULE_DESCRIPTION("Intel HID Event hotkey driver");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Alex Hung");
 
diff --git a/drivers/platform/x86/intel/pmc/pltdrv.c b/drivers/platform/x86/intel/pmc/pltdrv.c
index ddfba38c2104..f2cb87dc2d37 100644
--- a/drivers/platform/x86/intel/pmc/pltdrv.c
+++ b/drivers/platform/x86/intel/pmc/pltdrv.c
@@ -86,4 +86,5 @@ static void __exit pmc_core_platform_exit(void)
 
 module_init(pmc_core_platform_init);
 module_exit(pmc_core_platform_exit);
+MODULE_DESCRIPTION("Intel PMC Core platform driver");
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/platform/x86/intel/rst.c b/drivers/platform/x86/intel/rst.c
index 6bc9c4a603e0..f3a60e14d4c1 100644
--- a/drivers/platform/x86/intel/rst.c
+++ b/drivers/platform/x86/intel/rst.c
@@ -7,6 +7,7 @@
 #include <linux/module.h>
 #include <linux/slab.h>
 
+MODULE_DESCRIPTION("Intel Rapid Start Technology Driver");
 MODULE_LICENSE("GPL");
 
 static ssize_t irst_show_wakeup_events(struct device *dev,
diff --git a/drivers/platform/x86/intel/smartconnect.c b/drivers/platform/x86/intel/smartconnect.c
index cd25d0585324..31019a1a6d5e 100644
--- a/drivers/platform/x86/intel/smartconnect.c
+++ b/drivers/platform/x86/intel/smartconnect.c
@@ -6,6 +6,7 @@
 #include <linux/acpi.h>
 #include <linux/module.h>
 
+MODULE_DESCRIPTION("Intel Smart Connect disabling driver");
 MODULE_LICENSE("GPL");
 
 static int smartconnect_acpi_init(struct acpi_device *acpi)
diff --git a/drivers/platform/x86/intel/vbtn.c b/drivers/platform/x86/intel/vbtn.c
index 84c1353eb12b..9b7ce03ba085 100644
--- a/drivers/platform/x86/intel/vbtn.c
+++ b/drivers/platform/x86/intel/vbtn.c
@@ -24,6 +24,7 @@
 
 #define VGBS_TABLET_MODE_FLAGS (VGBS_TABLET_MODE_FLAG | VGBS_TABLET_MODE_FLAG_ALT)
 
+MODULE_DESCRIPTION("Intel Virtual Button driver");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("AceLan Kao");
 
diff --git a/drivers/platform/x86/lg-laptop.c b/drivers/platform/x86/lg-laptop.c
index d0fee5d375d7..9c7857842caf 100644
--- a/drivers/platform/x86/lg-laptop.c
+++ b/drivers/platform/x86/lg-laptop.c
@@ -39,8 +39,6 @@ MODULE_LICENSE("GPL");
 #define WMI_METHOD_WMBB "2B4F501A-BD3C-4394-8DCF-00A7D2BC8210"
 #define WMI_EVENT_GUID  WMI_EVENT_GUID0
 
-#define WMAB_METHOD     "\\XINI.WMAB"
-#define WMBB_METHOD     "\\XINI.WMBB"
 #define SB_GGOV_METHOD  "\\_SB.GGOV"
 #define GOV_TLED        0x2020008
 #define WM_GET          1
@@ -74,7 +72,7 @@ static u32 inited;
 
 static int battery_limit_use_wmbb;
 static struct led_classdev kbd_backlight;
-static enum led_brightness get_kbd_backlight_level(void);
+static enum led_brightness get_kbd_backlight_level(struct device *dev);
 
 static const struct key_entry wmi_keymap[] = {
 	{KE_KEY, 0x70, {KEY_F15} },	 /* LG control panel (F1) */
@@ -84,7 +82,6 @@ static const struct key_entry wmi_keymap[] = {
 					  * this key both sends an event and
 					  * changes backlight level.
 					  */
-	{KE_KEY, 0x80, {KEY_RFKILL} },
 	{KE_END, 0}
 };
 
@@ -128,11 +125,10 @@ static int ggov(u32 arg0)
 	return res;
 }
 
-static union acpi_object *lg_wmab(u32 method, u32 arg1, u32 arg2)
+static union acpi_object *lg_wmab(struct device *dev, u32 method, u32 arg1, u32 arg2)
 {
 	union acpi_object args[3];
 	acpi_status status;
-	acpi_handle handle;
 	struct acpi_object_list arg;
 	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
 
@@ -143,29 +139,22 @@ static union acpi_object *lg_wmab(u32 method, u32 arg1, u32 arg2)
 	args[2].type = ACPI_TYPE_INTEGER;
 	args[2].integer.value = arg2;
 
-	status = acpi_get_handle(NULL, (acpi_string) WMAB_METHOD, &handle);
-	if (ACPI_FAILURE(status)) {
-		pr_err("Cannot get handle");
-		return NULL;
-	}
-
 	arg.count = 3;
 	arg.pointer = args;
 
-	status = acpi_evaluate_object(handle, NULL, &arg, &buffer);
+	status = acpi_evaluate_object(ACPI_HANDLE(dev), "WMAB", &arg, &buffer);
 	if (ACPI_FAILURE(status)) {
-		acpi_handle_err(handle, "WMAB: call failed.\n");
+		dev_err(dev, "WMAB: call failed.\n");
 		return NULL;
 	}
 
 	return buffer.pointer;
 }
 
-static union acpi_object *lg_wmbb(u32 method_id, u32 arg1, u32 arg2)
+static union acpi_object *lg_wmbb(struct device *dev, u32 method_id, u32 arg1, u32 arg2)
 {
 	union acpi_object args[3];
 	acpi_status status;
-	acpi_handle handle;
 	struct acpi_object_list arg;
 	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
 	u8 buf[32];
@@ -181,18 +170,12 @@ static union acpi_object *lg_wmbb(u32 method_id, u32 arg1, u32 arg2)
 	args[2].buffer.length = 32;
 	args[2].buffer.pointer = buf;
 
-	status = acpi_get_handle(NULL, (acpi_string)WMBB_METHOD, &handle);
-	if (ACPI_FAILURE(status)) {
-		pr_err("Cannot get handle");
-		return NULL;
-	}
-
 	arg.count = 3;
 	arg.pointer = args;
 
-	status = acpi_evaluate_object(handle, NULL, &arg, &buffer);
+	status = acpi_evaluate_object(ACPI_HANDLE(dev), "WMBB", &arg, &buffer);
 	if (ACPI_FAILURE(status)) {
-		acpi_handle_err(handle, "WMAB: call failed.\n");
+		dev_err(dev, "WMBB: call failed.\n");
 		return NULL;
 	}
 
@@ -223,7 +206,7 @@ static void wmi_notify(u32 value, void *context)
 
 		if (eventcode == 0x10000000) {
 			led_classdev_notify_brightness_hw_changed(
-				&kbd_backlight, get_kbd_backlight_level());
+				&kbd_backlight, get_kbd_backlight_level(kbd_backlight.dev->parent));
 		} else {
 			key = sparse_keymap_entry_from_scancode(
 				wmi_input_dev, eventcode);
@@ -272,14 +255,7 @@ static void wmi_input_setup(void)
 
 static void acpi_notify(struct acpi_device *device, u32 event)
 {
-	struct key_entry *key;
-
 	acpi_handle_debug(device->handle, "notify: %d\n", event);
-	if (inited & INIT_SPARSE_KEYMAP) {
-		key = sparse_keymap_entry_from_scancode(wmi_input_dev, 0x80);
-		if (key && key->type == KE_KEY)
-			sparse_keymap_report_entry(wmi_input_dev, key, 1, true);
-	}
 }
 
 static ssize_t fan_mode_store(struct device *dev,
@@ -295,7 +271,7 @@ static ssize_t fan_mode_store(struct device *dev,
 	if (ret)
 		return ret;
 
-	r = lg_wmab(WM_FAN_MODE, WM_GET, 0);
+	r = lg_wmab(dev, WM_FAN_MODE, WM_GET, 0);
 	if (!r)
 		return -EIO;
 
@@ -306,9 +282,9 @@ static ssize_t fan_mode_store(struct device *dev,
 
 	m = r->integer.value;
 	kfree(r);
-	r = lg_wmab(WM_FAN_MODE, WM_SET, (m & 0xffffff0f) | (value << 4));
+	r = lg_wmab(dev, WM_FAN_MODE, WM_SET, (m & 0xffffff0f) | (value << 4));
 	kfree(r);
-	r = lg_wmab(WM_FAN_MODE, WM_SET, (m & 0xfffffff0) | value);
+	r = lg_wmab(dev, WM_FAN_MODE, WM_SET, (m & 0xfffffff0) | value);
 	kfree(r);
 
 	return count;
@@ -320,7 +296,7 @@ static ssize_t fan_mode_show(struct device *dev,
 	unsigned int status;
 	union acpi_object *r;
 
-	r = lg_wmab(WM_FAN_MODE, WM_GET, 0);
+	r = lg_wmab(dev, WM_FAN_MODE, WM_GET, 0);
 	if (!r)
 		return -EIO;
 
@@ -347,7 +323,7 @@ static ssize_t usb_charge_store(struct device *dev,
 	if (ret)
 		return ret;
 
-	r = lg_wmbb(WMBB_USB_CHARGE, WM_SET, value);
+	r = lg_wmbb(dev, WMBB_USB_CHARGE, WM_SET, value);
 	if (!r)
 		return -EIO;
 
@@ -361,7 +337,7 @@ static ssize_t usb_charge_show(struct device *dev,
 	unsigned int status;
 	union acpi_object *r;
 
-	r = lg_wmbb(WMBB_USB_CHARGE, WM_GET, 0);
+	r = lg_wmbb(dev, WMBB_USB_CHARGE, WM_GET, 0);
 	if (!r)
 		return -EIO;
 
@@ -389,7 +365,7 @@ static ssize_t reader_mode_store(struct device *dev,
 	if (ret)
 		return ret;
 
-	r = lg_wmab(WM_READER_MODE, WM_SET, value);
+	r = lg_wmab(dev, WM_READER_MODE, WM_SET, value);
 	if (!r)
 		return -EIO;
 
@@ -403,7 +379,7 @@ static ssize_t reader_mode_show(struct device *dev,
 	unsigned int status;
 	union acpi_object *r;
 
-	r = lg_wmab(WM_READER_MODE, WM_GET, 0);
+	r = lg_wmab(dev, WM_READER_MODE, WM_GET, 0);
 	if (!r)
 		return -EIO;
 
@@ -431,7 +407,7 @@ static ssize_t fn_lock_store(struct device *dev,
 	if (ret)
 		return ret;
 
-	r = lg_wmab(WM_FN_LOCK, WM_SET, value);
+	r = lg_wmab(dev, WM_FN_LOCK, WM_SET, value);
 	if (!r)
 		return -EIO;
 
@@ -445,7 +421,7 @@ static ssize_t fn_lock_show(struct device *dev,
 	unsigned int status;
 	union acpi_object *r;
 
-	r = lg_wmab(WM_FN_LOCK, WM_GET, 0);
+	r = lg_wmab(dev, WM_FN_LOCK, WM_GET, 0);
 	if (!r)
 		return -EIO;
 
@@ -475,9 +451,9 @@ static ssize_t charge_control_end_threshold_store(struct device *dev,
 		union acpi_object *r;
 
 		if (battery_limit_use_wmbb)
-			r = lg_wmbb(WMBB_BATT_LIMIT, WM_SET, value);
+			r = lg_wmbb(&pf_device->dev, WMBB_BATT_LIMIT, WM_SET, value);
 		else
-			r = lg_wmab(WM_BATT_LIMIT, WM_SET, value);
+			r = lg_wmab(&pf_device->dev, WM_BATT_LIMIT, WM_SET, value);
 		if (!r)
 			return -EIO;
 
@@ -496,7 +472,7 @@ static ssize_t charge_control_end_threshold_show(struct device *device,
 	union acpi_object *r;
 
 	if (battery_limit_use_wmbb) {
-		r = lg_wmbb(WMBB_BATT_LIMIT, WM_GET, 0);
+		r = lg_wmbb(&pf_device->dev, WMBB_BATT_LIMIT, WM_GET, 0);
 		if (!r)
 			return -EIO;
 
@@ -507,7 +483,7 @@ static ssize_t charge_control_end_threshold_show(struct device *device,
 
 		status = r->buffer.pointer[0x10];
 	} else {
-		r = lg_wmab(WM_BATT_LIMIT, WM_GET, 0);
+		r = lg_wmab(&pf_device->dev, WM_BATT_LIMIT, WM_GET, 0);
 		if (!r)
 			return -EIO;
 
@@ -586,7 +562,7 @@ static void tpad_led_set(struct led_classdev *cdev,
 {
 	union acpi_object *r;
 
-	r = lg_wmab(WM_TLED, WM_SET, brightness > LED_OFF);
+	r = lg_wmab(cdev->dev->parent, WM_TLED, WM_SET, brightness > LED_OFF);
 	kfree(r);
 }
 
@@ -608,16 +584,16 @@ static void kbd_backlight_set(struct led_classdev *cdev,
 		val = 0;
 	if (brightness >= LED_FULL)
 		val = 0x24;
-	r = lg_wmab(WM_KEY_LIGHT, WM_SET, val);
+	r = lg_wmab(cdev->dev->parent, WM_KEY_LIGHT, WM_SET, val);
 	kfree(r);
 }
 
-static enum led_brightness get_kbd_backlight_level(void)
+static enum led_brightness get_kbd_backlight_level(struct device *dev)
 {
 	union acpi_object *r;
 	int val;
 
-	r = lg_wmab(WM_KEY_LIGHT, WM_GET, 0);
+	r = lg_wmab(dev, WM_KEY_LIGHT, WM_GET, 0);
 
 	if (!r)
 		return LED_OFF;
@@ -645,7 +621,7 @@ static enum led_brightness get_kbd_backlight_level(void)
 
 static enum led_brightness kbd_backlight_get(struct led_classdev *cdev)
 {
-	return get_kbd_backlight_level();
+	return get_kbd_backlight_level(cdev->dev->parent);
 }
 
 static LED_DEVICE(kbd_backlight, 255, LED_BRIGHT_HW_CHANGED);
@@ -672,6 +648,11 @@ static struct platform_driver pf_driver = {
 
 static int acpi_add(struct acpi_device *device)
 {
+	struct platform_device_info pdev_info = {
+		.fwnode = acpi_fwnode_handle(device),
+		.name = PLATFORM_NAME,
+		.id = PLATFORM_DEVID_NONE,
+	};
 	int ret;
 	const char *product;
 	int year = 2017;
@@ -683,9 +664,7 @@ static int acpi_add(struct acpi_device *device)
 	if (ret)
 		return ret;
 
-	pf_device = platform_device_register_simple(PLATFORM_NAME,
-						    PLATFORM_DEVID_NONE,
-						    NULL, 0);
+	pf_device = platform_device_register_full(&pdev_info);
 	if (IS_ERR(pf_device)) {
 		ret = PTR_ERR(pf_device);
 		pf_device = NULL;
@@ -776,7 +755,7 @@ static void acpi_remove(struct acpi_device *device)
 }
 
 static const struct acpi_device_id device_ids[] = {
-	{"LGEX0815", 0},
+	{"LGEX0820", 0},
 	{"", 0}
 };
 MODULE_DEVICE_TABLE(acpi, device_ids);
diff --git a/drivers/platform/x86/siemens/simatic-ipc-batt-apollolake.c b/drivers/platform/x86/siemens/simatic-ipc-batt-apollolake.c
index 31a139d87d9a..5edc294de6e4 100644
--- a/drivers/platform/x86/siemens/simatic-ipc-batt-apollolake.c
+++ b/drivers/platform/x86/siemens/simatic-ipc-batt-apollolake.c
@@ -45,6 +45,7 @@ static struct platform_driver simatic_ipc_batt_driver = {
 
 module_platform_driver(simatic_ipc_batt_driver);
 
+MODULE_DESCRIPTION("CMOS Battery monitoring for Simatic IPCs based on Apollo Lake GPIO");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:" KBUILD_MODNAME);
 MODULE_SOFTDEP("pre: simatic-ipc-batt platform:apollolake-pinctrl");
diff --git a/drivers/platform/x86/siemens/simatic-ipc-batt-elkhartlake.c b/drivers/platform/x86/siemens/simatic-ipc-batt-elkhartlake.c
index a7676f224075..e6a56d14b505 100644
--- a/drivers/platform/x86/siemens/simatic-ipc-batt-elkhartlake.c
+++ b/drivers/platform/x86/siemens/simatic-ipc-batt-elkhartlake.c
@@ -45,6 +45,7 @@ static struct platform_driver simatic_ipc_batt_driver = {
 
 module_platform_driver(simatic_ipc_batt_driver);
 
+MODULE_DESCRIPTION("CMOS Battery monitoring for Simatic IPCs based on Elkhart Lake GPIO");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:" KBUILD_MODNAME);
 MODULE_SOFTDEP("pre: simatic-ipc-batt platform:elkhartlake-pinctrl");
diff --git a/drivers/platform/x86/siemens/simatic-ipc-batt-f7188x.c b/drivers/platform/x86/siemens/simatic-ipc-batt-f7188x.c
index 5e77e05fdb5d..f8849d0e48a8 100644
--- a/drivers/platform/x86/siemens/simatic-ipc-batt-f7188x.c
+++ b/drivers/platform/x86/siemens/simatic-ipc-batt-f7188x.c
@@ -81,6 +81,7 @@ static struct platform_driver simatic_ipc_batt_driver = {
 
 module_platform_driver(simatic_ipc_batt_driver);
 
+MODULE_DESCRIPTION("CMOS Battery monitoring for Simatic IPCs based on Nuvoton GPIO");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:" KBUILD_MODNAME);
 MODULE_SOFTDEP("pre: simatic-ipc-batt gpio_f7188x platform:elkhartlake-pinctrl platform:alderlake-pinctrl");
diff --git a/drivers/platform/x86/siemens/simatic-ipc-batt.c b/drivers/platform/x86/siemens/simatic-ipc-batt.c
index c6dd263b4ee3..d9aff10608cf 100644
--- a/drivers/platform/x86/siemens/simatic-ipc-batt.c
+++ b/drivers/platform/x86/siemens/simatic-ipc-batt.c
@@ -247,6 +247,7 @@ static struct platform_driver simatic_ipc_batt_driver = {
 
 module_platform_driver(simatic_ipc_batt_driver);
 
+MODULE_DESCRIPTION("CMOS core battery driver for Siemens Simatic IPCs");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:" KBUILD_MODNAME);
 MODULE_AUTHOR("Henning Schild <henning.schild@siemens.com>");
diff --git a/drivers/platform/x86/siemens/simatic-ipc.c b/drivers/platform/x86/siemens/simatic-ipc.c
index 8ca6e277fa03..7039874d8f11 100644
--- a/drivers/platform/x86/siemens/simatic-ipc.c
+++ b/drivers/platform/x86/siemens/simatic-ipc.c
@@ -231,6 +231,7 @@ static void __exit simatic_ipc_exit_module(void)
 module_init(simatic_ipc_init_module);
 module_exit(simatic_ipc_exit_module);
 
+MODULE_DESCRIPTION("Siemens SIMATIC IPC platform driver");
 MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Gerd Haeussler <gerd.haeussler.ext@siemens.com>");
 MODULE_ALIAS("dmi:*:svnSIEMENSAG:*");
diff --git a/drivers/platform/x86/uv_sysfs.c b/drivers/platform/x86/uv_sysfs.c
index 37372d7cc54a..f6a0627f36db 100644
--- a/drivers/platform/x86/uv_sysfs.c
+++ b/drivers/platform/x86/uv_sysfs.c
@@ -929,4 +929,5 @@ module_init(uv_sysfs_init);
 module_exit(uv_sysfs_exit);
 
 MODULE_AUTHOR("Hewlett Packard Enterprise");
+MODULE_DESCRIPTION("Sysfs structure for HPE UV systems");
 MODULE_LICENSE("GPL");
diff --git a/drivers/platform/x86/wireless-hotkey.c b/drivers/platform/x86/wireless-hotkey.c
index e95cdbbfb708..a220fe4f9ef8 100644
--- a/drivers/platform/x86/wireless-hotkey.c
+++ b/drivers/platform/x86/wireless-hotkey.c
@@ -14,11 +14,13 @@
 #include <linux/acpi.h>
 #include <acpi/acpi_bus.h>
 
+MODULE_DESCRIPTION("Airplane mode button for AMD, HP & Xiaomi laptops");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Alex Hung");
 MODULE_ALIAS("acpi*:HPQ6001:*");
 MODULE_ALIAS("acpi*:WSTADEF:*");
 MODULE_ALIAS("acpi*:AMDI0051:*");
+MODULE_ALIAS("acpi*:LGEX0815:*");
 
 struct wl_button {
 	struct input_dev *input_dev;
@@ -29,6 +31,7 @@ static const struct acpi_device_id wl_ids[] = {
 	{"HPQ6001", 0},
 	{"WSTADEF", 0},
 	{"AMDI0051", 0},
+	{"LGEX0815", 0},
 	{"", 0},
 };
 
diff --git a/drivers/platform/x86/xo1-rfkill.c b/drivers/platform/x86/xo1-rfkill.c
index e64d5646b4c7..5fe68296501c 100644
--- a/drivers/platform/x86/xo1-rfkill.c
+++ b/drivers/platform/x86/xo1-rfkill.c
@@ -74,5 +74,6 @@ static struct platform_driver xo1_rfkill_driver = {
 module_platform_driver(xo1_rfkill_driver);
 
 MODULE_AUTHOR("Daniel Drake <dsd@laptop.org>");
+MODULE_DESCRIPTION("OLPC XO-1 software RF kill switch");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:xo1-rfkill");