diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index d73a768e176e97becbcad37d5f26372d611ee482..f0b00ec1e47e7c1c0daf85cd6cc864f2c0c2c555 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -968,7 +968,7 @@ int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int i
 		size--;
 	}
 
-	/* dump the report descriptor */
+	/* dump the report */
 	dbg_hid("report %d (size %u) = ", n, size);
 	for (i = 0; i < size; i++)
 		dbg_hid_line(" %02x", data[i]);
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 5a38fb27d69fc1fb7e1512e5b1463468eb740505..c3eb3f13e2ca01d2689b898e15677ff4eeaff0a3 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -98,18 +98,16 @@ struct hidinput_key_translation {
 
 static struct hidinput_key_translation apple_fn_keys[] = {
 	{ KEY_BACKSPACE, KEY_DELETE },
-	{ KEY_F1,       KEY_BRIGHTNESSDOWN,     APPLE_FLAG_FKEY },
-	{ KEY_F2,       KEY_BRIGHTNESSUP,       APPLE_FLAG_FKEY },
-	{ KEY_F3,       KEY_CYCLEWINDOWS,       APPLE_FLAG_FKEY }, /* Exposé */
-	{ KEY_F4,       KEY_FN_F4,              APPLE_FLAG_FKEY }, /* Dashboard */
-	{ KEY_F5,       KEY_FN_F5 },
-	{ KEY_F6,       KEY_FN_F6 },
-	{ KEY_F7,       KEY_BACK,               APPLE_FLAG_FKEY },
-	{ KEY_F8,       KEY_PLAYPAUSE,          APPLE_FLAG_FKEY },
-	{ KEY_F9,       KEY_FORWARD,            APPLE_FLAG_FKEY },
-	{ KEY_F10,      KEY_MUTE,               APPLE_FLAG_FKEY },
-	{ KEY_F11,      KEY_VOLUMEDOWN,         APPLE_FLAG_FKEY },
-	{ KEY_F12,      KEY_VOLUMEUP,           APPLE_FLAG_FKEY },
+	{ KEY_F1,       KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
+	{ KEY_F2,       KEY_BRIGHTNESSUP,   APPLE_FLAG_FKEY },
+	{ KEY_F3,       KEY_FN_F5,          APPLE_FLAG_FKEY }, /* Exposé */
+	{ KEY_F4,       KEY_FN_F4,          APPLE_FLAG_FKEY }, /* Dashboard */
+	{ KEY_F7,       KEY_PREVIOUSSONG,   APPLE_FLAG_FKEY },
+	{ KEY_F8,       KEY_PLAYPAUSE,      APPLE_FLAG_FKEY },
+	{ KEY_F9,       KEY_NEXTSONG,       APPLE_FLAG_FKEY },
+	{ KEY_F10,      KEY_MUTE,           APPLE_FLAG_FKEY },
+	{ KEY_F11,      KEY_VOLUMEDOWN,     APPLE_FLAG_FKEY },
+	{ KEY_F12,      KEY_VOLUMEUP,       APPLE_FLAG_FKEY },
 	{ KEY_UP,       KEY_PAGEUP },
 	{ KEY_DOWN,     KEY_PAGEDOWN },
 	{ KEY_LEFT,     KEY_HOME },
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index b38e559b7a46073dab466375200002828f7602ab..d95979f0e028adb0f3090a724bbc481882eeeecb 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -278,7 +278,7 @@ static int hid_submit_ctrl(struct hid_device *hid)
 		usbhid->urbctrl->pipe = usb_rcvctrlpipe(hid_to_usb_dev(hid), 0);
 		maxpacket = usb_maxpacket(hid_to_usb_dev(hid), usbhid->urbctrl->pipe, 0);
 		if (maxpacket > 0) {
-			padlen = (len + maxpacket - 1) / maxpacket;
+			padlen = DIV_ROUND_UP(len, maxpacket);
 			padlen *= maxpacket;
 			if (padlen > usbhid->bufsize)
 				padlen = usbhid->bufsize;
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index e6d05f6b1c1cb9b64e50c743789f18a3de066bba..e29a057cbea2df1a708dc20d465b6428764efaad 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -345,6 +345,9 @@
 #define USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR 0x0400
 #define USB_DEVICE_ID_N_S_HARMONY       0xc359
 
+#define USB_VENDOR_ID_NATSU             0x08b7
+#define USB_DEVICE_ID_NATSU_GAMEPAD     0x0001
+
 #define USB_VENDOR_ID_NEC		0x073e
 #define USB_DEVICE_ID_NEC_USB_GAME_PAD	0x0301
 
@@ -426,6 +429,7 @@ static const struct hid_blacklist {
 	{ USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_DRIVING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
 	{ USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FLYING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
 	{ USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FIGHTING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
+	{ USB_VENDOR_ID_NATSU, USB_DEVICE_ID_NATSU_GAMEPAD, HID_QUIRK_BADPAD },
 	{ USB_VENDOR_ID_NEC, USB_DEVICE_ID_NEC_USB_GAME_PAD, HID_QUIRK_BADPAD },
 	{ USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RUMBLEPAD, HID_QUIRK_BADPAD },
 	{ USB_VENDOR_ID_TOPMAX, USB_DEVICE_ID_TOPMAX_COBRAPAD, HID_QUIRK_BADPAD },
@@ -624,7 +628,7 @@ static const struct hid_blacklist {
 	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO, HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_APPLE_ISO_KEYBOARD },
 	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS, HID_QUIRK_APPLE_HAS_FN },
 	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI, HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
-	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO, HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE | HID_QUIRK_APPLE_ISO_KEYBOARD },
+	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO, HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
 	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS, HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
 	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI, HID_QUIRK_APPLE_HAS_FN },
 	{ USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO, HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_APPLE_ISO_KEYBOARD },