Merge branch 'for-5.14/core' into for-linus

- device unbinding locking fix from Dmitry Torokhov
- support for programmable buttons (mapping to KEY_MACRO# event codes)
  from Thomas Weißschuh
- various other small fixes and code style improvements

5 files changed, 41 insertions, 11 deletions

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 0de2788b9814..7db332139f7d 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -2306,12 +2306,8 @@ static int hid_device_remove(struct device *dev)
 {
 	struct hid_device *hdev = to_hid_device(dev);
 	struct hid_driver *hdrv;
-	int ret = 0;
 
-	if (down_interruptible(&hdev->driver_input_lock)) {
-		ret = -EINTR;
-		goto end;
-	}
+	down(&hdev->driver_input_lock);
 	hdev->io_started = false;
 
 	hdrv = hdev->driver;
@@ -2326,8 +2322,8 @@ static int hid_device_remove(struct device *dev)
 
 	if (!hdev->io_started)
 		up(&hdev->driver_input_lock);
-end:
-	return ret;
+
+	return 0;
 }
 
 static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c
index a311fb87b02a..fa57d05badf7 100644
--- a/drivers/hid/hid-debug.c
+++ b/drivers/hid/hid-debug.c
@@ -122,6 +122,7 @@ static const struct hid_usage_entry hid_usage_table[] = {
   {  9, 0, "Button" },
   { 10, 0, "Ordinal" },
   { 12, 0, "Consumer" },
+      {0, 0x003, "ProgrammableButtons"},
       {0, 0x238, "HorizontalWheel"},
   { 13, 0, "Digitizers" },
     {0, 0x01, "Digitizer"},
@@ -942,6 +943,16 @@ static const char *keys[KEY_MAX + 1] = {
 	[KEY_KBDINPUTASSIST_NEXTGROUP] = "KbdInputAssistNextGroup",
 	[KEY_KBDINPUTASSIST_ACCEPT] = "KbdInputAssistAccept",
 	[KEY_KBDINPUTASSIST_CANCEL] = "KbdInputAssistCancel",
+	[KEY_MACRO1] = "Macro1", [KEY_MACRO2] = "Macro2", [KEY_MACRO3] = "Macro3",
+	[KEY_MACRO4] = "Macro4", [KEY_MACRO5] = "Macro5", [KEY_MACRO6] = "Macro6",
+	[KEY_MACRO7] = "Macro7", [KEY_MACRO8] = "Macro8", [KEY_MACRO9] = "Macro9",
+	[KEY_MACRO10] = "Macro10", [KEY_MACRO11] = "Macro11", [KEY_MACRO12] = "Macro12",
+	[KEY_MACRO13] = "Macro13", [KEY_MACRO14] = "Macro14", [KEY_MACRO15] = "Macro15",
+	[KEY_MACRO16] = "Macro16", [KEY_MACRO17] = "Macro17", [KEY_MACRO18] = "Macro18",
+	[KEY_MACRO19] = "Macro19", [KEY_MACRO20] = "Macro20", [KEY_MACRO21] = "Macro21",
+	[KEY_MACRO22] = "Macro22", [KEY_MACRO23] = "Macro23", [KEY_MACRO24] = "Macro24",
+	[KEY_MACRO25] = "Macro25", [KEY_MACRO26] = "Macro26", [KEY_MACRO27] = "Macro27",
+	[KEY_MACRO28] = "Macro28", [KEY_MACRO29] = "Macro29", [KEY_MACRO30] = "Macro30",
 };
 
 static const char *relatives[REL_MAX + 1] = {
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 68c8644234a4..4286a51f7f16 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -569,6 +569,16 @@ static void hidinput_update_battery(struct hid_device *dev, int value)
 }
 #endif	/* CONFIG_HID_BATTERY_STRENGTH */
 
+static bool hidinput_field_in_collection(struct hid_device *device, struct hid_field *field,
+					 unsigned int type, unsigned int usage)
+{
+	struct hid_collection *collection;
+
+	collection = &device->collection[field->usage->collection_index];
+
+	return collection->type == type && collection->usage == usage;
+}
+
 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
 				     struct hid_usage *usage)
 {
@@ -634,6 +644,18 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 				else
 					code += BTN_TRIGGER_HAPPY - 0x10;
 				break;
+		case HID_CP_CONSUMER_CONTROL:
+				if (hidinput_field_in_collection(device, field,
+								 HID_COLLECTION_NAMED_ARRAY,
+								 HID_CP_PROGRAMMABLEBUTTONS)) {
+					if (code <= 0x1d)
+						code += KEY_MACRO1;
+					else
+						code += BTN_TRIGGER_HAPPY - 0x1e;
+				} else {
+					goto ignore;
+				}
+				break;
 		default:
 			switch (field->physical) {
 			case HID_GD_MOUSE:
@@ -1318,12 +1340,12 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct
 		return;
 	}
 
-	if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
+	if (usage->hid == HID_DG_INVERT) {
 		*quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
 		return;
 	}
 
-	if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
+	if (usage->hid == HID_DG_INRANGE) {
 		if (value) {
 			input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
 			return;
@@ -1333,7 +1355,7 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct
 		return;
 	}
 
-	if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
+	if (usage->hid == HID_DG_TIPPRESSURE && (*quirks & HID_QUIRK_NOTOUCH)) {
 		int a = field->logical_minimum;
 		int b = field->logical_maximum;
 		input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
diff --git a/drivers/hid/usbhid/usbmouse.c b/drivers/hid/usbhid/usbmouse.c
index 073127e65ac1..c89332017d5d 100644
--- a/drivers/hid/usbhid/usbmouse.c
+++ b/drivers/hid/usbhid/usbmouse.c
@@ -130,7 +130,7 @@ static int usb_mouse_probe(struct usb_interface *intf, const struct usb_device_i
 	if (!mouse || !input_dev)
 		goto fail1;
 
-	mouse->data = usb_alloc_coherent(dev, 8, GFP_ATOMIC, &mouse->data_dma);
+	mouse->data = usb_alloc_coherent(dev, 8, GFP_KERNEL, &mouse->data_dma);
 	if (!mouse->data)
 		goto fail1;
 
diff --git a/include/linux/hid.h b/include/linux/hid.h
index 10e922cee4eb..f05bf96a0d21 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -102,6 +102,7 @@ struct hid_item {
 #define HID_COLLECTION_PHYSICAL		0
 #define HID_COLLECTION_APPLICATION	1
 #define HID_COLLECTION_LOGICAL		2
+#define HID_COLLECTION_NAMED_ARRAY	4
 
 /*
  * HID report descriptor global item tags