Merge remote-tracking branch 'linus/master' into staging/for_v3.8

* linus/master: (1428 commits)
  futex: avoid wake_futex() for a PI futex_q
  watchdog: using u64 in get_sample_period()
  writeback: put unused inodes to LRU after writeback completion
  mm: vmscan: check for fatal signals iff the process was throttled
  Revert "mm: remove __GFP_NO_KSWAPD"
  proc: check vma->vm_file before dereferencing
  UAPI: strip the _UAPI prefix from header guards during header installation
  include/linux/bug.h: fix sparse warning related to BUILD_BUG_ON_INVALID
  Linux 3.7-rc7
  powerpc/eeh: Do not invalidate PE properly
  ALSA: hda - Fix build without CONFIG_PM
  of/address: sparc: Declare of_iomap as an extern function for sparc again
  PM / QoS: fix wrong error-checking condition
  bnx2x: remove redundant warning log
  vxlan: fix command usage in its doc
  8139cp: revert "set ring address before enabling receiver"
  MPI: Fix compilation on MIPS with GCC 4.4 and newer
  MIPS: Fix crash that occurs when function tracing is enabled
  MIPS: Merge overlapping bootmem ranges
  jbd: Fix lock ordering bug in journal_unmap_buffer()
  ...

6 files changed, 73 insertions, 34 deletions

diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c
index 06ebdbb6ea02..fd7722aecf77 100644
--- a/drivers/hid/hid-apple.c
+++ b/drivers/hid/hid-apple.c
@@ -522,6 +522,12 @@ static const struct hid_device_id apple_devices[] = {
 		.driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS),
 		.driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI),
+		.driver_data = APPLE_HAS_FN },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO),
+		.driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS),
+		.driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI),
 		.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO),
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index bd3971bf31bf..f4109fd657ff 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1532,6 +1532,9 @@ static const struct hid_device_id hid_have_special_driver[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
@@ -2139,6 +2142,9 @@ static const struct hid_device_id hid_mouse_ignore_list[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
 	{ }
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 269b50912a4a..9d7a42857ea1 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -118,6 +118,9 @@
 #define USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI	0x0252
 #define USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO	0x0253
 #define USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS	0x0254
+#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI	0x0259
+#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO	0x025a
+#define USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS	0x025b
 #define USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI	0x0249
 #define USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO	0x024a
 #define USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS	0x024b
diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c
index 3acdcfcc17df..6fcd466d0825 100644
--- a/drivers/hid/hid-microsoft.c
+++ b/drivers/hid/hid-microsoft.c
@@ -28,22 +28,30 @@
 #define MS_RDESC		0x08
 #define MS_NOGET		0x10
 #define MS_DUPLICATE_USAGES	0x20
+#define MS_RDESC_3K		0x40
 
-/*
- * Microsoft Wireless Desktop Receiver (Model 1028) has
- * 'Usage Min/Max' where it ought to have 'Physical Min/Max'
- */
 static __u8 *ms_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 		unsigned int *rsize)
 {
 	unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
 
+	/*
+	 * Microsoft Wireless Desktop Receiver (Model 1028) has
+	 * 'Usage Min/Max' where it ought to have 'Physical Min/Max'
+	 */
 	if ((quirks & MS_RDESC) && *rsize == 571 && rdesc[557] == 0x19 &&
 			rdesc[559] == 0x29) {
 		hid_info(hdev, "fixing up Microsoft Wireless Receiver Model 1028 report descriptor\n");
 		rdesc[557] = 0x35;
 		rdesc[559] = 0x45;
 	}
+	/* the same as above (s/usage/physical/) */
+	if ((quirks & MS_RDESC_3K) && *rsize == 106 && rdesc[94] == 0x19 &&
+			rdesc[95] == 0x00 && rdesc[96] == 0x29 &&
+			rdesc[97] == 0xff) {
+		rdesc[94] = 0x35;
+		rdesc[96] = 0x45;
+	}
 	return rdesc;
 }
 
@@ -192,7 +200,7 @@ static const struct hid_device_id ms_devices[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB),
 		.driver_data = MS_PRESENTER },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K),
-		.driver_data = MS_ERGONOMY },
+		.driver_data = MS_ERGONOMY | MS_RDESC_3K },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0),
 		.driver_data = MS_NOGET },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500),
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 3eb02b94fc87..7867d69f0efe 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -210,8 +210,7 @@ static struct mt_class mt_classes[] = {
 	},
 	{ .name	= MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
 		.quirks	= MT_QUIRK_NOT_SEEN_MEANS_UP |
-			MT_QUIRK_SLOT_IS_CONTACTNUMBER,
-		.maxcontacts = 10
+			MT_QUIRK_SLOT_IS_CONTACTNUMBER
 	},
 
 	{ .name = MT_CLS_FLATFROG,
@@ -421,11 +420,11 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 			 * contact max are global to the report */
 			td->last_field_index = field->index;
 			return -1;
-		}
 		case HID_DG_TOUCH:
 			/* Legacy devices use TIPSWITCH and not TOUCH.
 			 * Let's just ignore this field. */
 			return -1;
+		}
 		/* let hid-input decide for the others */
 		return 0;
 
diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
index 17d15bb610d1..7c47fc3f7b2b 100644
--- a/drivers/hid/hidraw.c
+++ b/drivers/hid/hidraw.c
@@ -42,7 +42,6 @@ static struct cdev hidraw_cdev;
 static struct class *hidraw_class;
 static struct hidraw *hidraw_table[HIDRAW_MAX_DEVICES];
 static DEFINE_MUTEX(minors_lock);
-static void drop_ref(struct hidraw *hid, int exists_bit);
 
 static ssize_t hidraw_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos)
 {
@@ -114,7 +113,7 @@ static ssize_t hidraw_send_report(struct file *file, const char __user *buffer,
 	__u8 *buf;
 	int ret = 0;
 
-	if (!hidraw_table[minor] || !hidraw_table[minor]->exist) {
+	if (!hidraw_table[minor]) {
 		ret = -ENODEV;
 		goto out;
 	}
@@ -262,7 +261,7 @@ static int hidraw_open(struct inode *inode, struct file *file)
 	}
 
 	mutex_lock(&minors_lock);
-	if (!hidraw_table[minor] || !hidraw_table[minor]->exist) {
+	if (!hidraw_table[minor]) {
 		err = -ENODEV;
 		goto out_unlock;
 	}
@@ -299,12 +298,36 @@ out:
 static int hidraw_release(struct inode * inode, struct file * file)
 {
 	unsigned int minor = iminor(inode);
+	struct hidraw *dev;
 	struct hidraw_list *list = file->private_data;
+	int ret;
+	int i;
+
+	mutex_lock(&minors_lock);
+	if (!hidraw_table[minor]) {
+		ret = -ENODEV;
+		goto unlock;
+	}
 
-	drop_ref(hidraw_table[minor], 0);
 	list_del(&list->node);
+	dev = hidraw_table[minor];
+	if (!--dev->open) {
+		if (list->hidraw->exist) {
+			hid_hw_power(dev->hid, PM_HINT_NORMAL);
+			hid_hw_close(dev->hid);
+		} else {
+			kfree(list->hidraw);
+		}
+	}
+
+	for (i = 0; i < HIDRAW_BUFFER_SIZE; ++i)
+		kfree(list->buffer[i].value);
 	kfree(list);
-	return 0;
+	ret = 0;
+unlock:
+	mutex_unlock(&minors_lock);
+
+	return ret;
 }
 
 static long hidraw_ioctl(struct file *file, unsigned int cmd,
@@ -506,7 +529,21 @@ EXPORT_SYMBOL_GPL(hidraw_connect);
 void hidraw_disconnect(struct hid_device *hid)
 {
 	struct hidraw *hidraw = hid->hidraw;
-	drop_ref(hidraw, 1);
+
+	mutex_lock(&minors_lock);
+	hidraw->exist = 0;
+
+	device_destroy(hidraw_class, MKDEV(hidraw_major, hidraw->minor));
+
+	hidraw_table[hidraw->minor] = NULL;
+
+	if (hidraw->open) {
+		hid_hw_close(hid);
+		wake_up_interruptible(&hidraw->wait);
+	} else {
+		kfree(hidraw);
+	}
+	mutex_unlock(&minors_lock);
 }
 EXPORT_SYMBOL_GPL(hidraw_disconnect);
 
@@ -555,23 +592,3 @@ void hidraw_exit(void)
 	unregister_chrdev_region(dev_id, HIDRAW_MAX_DEVICES);
 
 }
-
-static void drop_ref(struct hidraw *hidraw, int exists_bit)
-{
-	mutex_lock(&minors_lock);
-	if (exists_bit) {
-		hid_hw_close(hidraw->hid);
-		hidraw->exist = 0;
-		if (hidraw->open)
-			wake_up_interruptible(&hidraw->wait);
-	} else {
-		--hidraw->open;
-	}
-
-	if (!hidraw->open && !hidraw->exist) {
-		device_destroy(hidraw_class, MKDEV(hidraw_major, hidraw->minor));
-		hidraw_table[hidraw->minor] = NULL;
-		kfree(hidraw);
-	}
-	mutex_unlock(&minors_lock);
-}