Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid

Pull HID updates from Jiri Kosina:

 - support for Pro Pen slim, from Jason Gerecke

 - power management improvements to Intel-ISH driver, from Song Hongyan

 - UCLogic driver revamp in order to be able to support wider range of
   Huion tablets, from Nikolai Kondrashov

 - Asus Transbook support, from NOGUCHI Hiroshi

 - other assorted small bugfixes / cleanups and device ID additions

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (46 commits)
  HID: Remove Waltop tablets from hid_have_special_driver
  HID: Remove KYE tablets from hid_have_special_driver
  HID: Remove hid-uclogic entries from hid_have_special_driver
  HID: uclogic: Do not initialize non-USB devices
  HID: uclogic: Add support for Ugee G5
  HID: uclogic: Support Gray-coded rotary encoders
  HID: uclogic: Support faking Wacom pad device ID
  HID: uclogic: Add support for XP-Pen Deco 01
  HID: uclogic: Add support for XP-Pen Star G640
  HID: uclogic: Add support for XP-Pen Star G540
  HID: uclogic: Add support for Ugee EX07S frame controls
  HID: uclogic: Add support for Ugee M540
  HID: uclogic: Add support for Ugee 2150
  HID: uclogic: Support v2 protocol
  HID: uclogic: Support fragmented high-res reports
  HID: uclogic: Support in-range reporting emulation
  HID: uclogic: Designate current protocol v1
  HID: uclogic: Re-initialize tablets on resume
  HID: uclogic: Extract tablet parameter discovery into a module
  HID: uclogic: Extract report descriptors to a module
  ...

1 files changed, 36 insertions, 61 deletions

diff --git a/drivers/hid/intel-ish-hid/ishtp/hbm.c b/drivers/hid/intel-ish-hid/ishtp/hbm.c
index 8b5dd580ceec..d0b847c86935 100644
--- a/drivers/hid/intel-ish-hid/ishtp/hbm.c
+++ b/drivers/hid/intel-ish-hid/ishtp/hbm.c
@@ -136,19 +136,14 @@ int ishtp_hbm_start_wait(struct ishtp_device *dev)
 int ishtp_hbm_start_req(struct ishtp_device *dev)
 {
 	struct ishtp_msg_hdr hdr;
-	unsigned char data[128];
-	struct ishtp_msg_hdr *ishtp_hdr = &hdr;
-	struct hbm_host_version_request *start_req;
-	const size_t len = sizeof(struct hbm_host_version_request);
+	struct hbm_host_version_request start_req = { 0 };
 
-	ishtp_hbm_hdr(ishtp_hdr, len);
+	ishtp_hbm_hdr(&hdr, sizeof(start_req));
 
 	/* host start message */
-	start_req = (struct hbm_host_version_request *)data;
-	memset(start_req, 0, len);
-	start_req->hbm_cmd = HOST_START_REQ_CMD;
-	start_req->host_version.major_version = HBM_MAJOR_VERSION;
-	start_req->host_version.minor_version = HBM_MINOR_VERSION;
+	start_req.hbm_cmd = HOST_START_REQ_CMD;
+	start_req.host_version.major_version = HBM_MAJOR_VERSION;
+	start_req.host_version.minor_version = HBM_MINOR_VERSION;
 
 	/*
 	 * (!) Response to HBM start may be so quick that this thread would get
@@ -156,7 +151,7 @@ int ishtp_hbm_start_req(struct ishtp_device *dev)
 	 * So set it at first, change back to ISHTP_HBM_IDLE upon failure
 	 */
 	dev->hbm_state = ISHTP_HBM_START;
-	if (ishtp_write_message(dev, ishtp_hdr, data)) {
+	if (ishtp_write_message(dev, &hdr, &start_req)) {
 		dev_err(dev->devc, "version message send failed\n");
 		dev->dev_state = ISHTP_DEV_RESETTING;
 		dev->hbm_state = ISHTP_HBM_IDLE;
@@ -178,19 +173,13 @@ int ishtp_hbm_start_req(struct ishtp_device *dev)
 void ishtp_hbm_enum_clients_req(struct ishtp_device *dev)
 {
 	struct ishtp_msg_hdr hdr;
-	unsigned char data[128];
-	struct ishtp_msg_hdr *ishtp_hdr = &hdr;
-	struct hbm_host_enum_request *enum_req;
-	const size_t len = sizeof(struct hbm_host_enum_request);
+	struct hbm_host_enum_request enum_req = { 0 };
 
 	/* enumerate clients */
-	ishtp_hbm_hdr(ishtp_hdr, len);
+	ishtp_hbm_hdr(&hdr, sizeof(enum_req));
+	enum_req.hbm_cmd = HOST_ENUM_REQ_CMD;
 
-	enum_req = (struct hbm_host_enum_request *)data;
-	memset(enum_req, 0, len);
-	enum_req->hbm_cmd = HOST_ENUM_REQ_CMD;
-
-	if (ishtp_write_message(dev, ishtp_hdr, data)) {
+	if (ishtp_write_message(dev, &hdr, &enum_req)) {
 		dev->dev_state = ISHTP_DEV_RESETTING;
 		dev_err(dev->devc, "enumeration request send failed\n");
 		ish_hw_reset(dev);
@@ -208,12 +197,8 @@ void ishtp_hbm_enum_clients_req(struct ishtp_device *dev)
  */
 static int ishtp_hbm_prop_req(struct ishtp_device *dev)
 {
-
 	struct ishtp_msg_hdr hdr;
-	unsigned char data[128];
-	struct ishtp_msg_hdr *ishtp_hdr = &hdr;
-	struct hbm_props_request *prop_req;
-	const size_t len = sizeof(struct hbm_props_request);
+	struct hbm_props_request prop_req = { 0 };
 	unsigned long next_client_index;
 	uint8_t client_num;
 
@@ -237,15 +222,12 @@ static int ishtp_hbm_prop_req(struct ishtp_device *dev)
 
 	dev->fw_clients[client_num].client_id = next_client_index;
 
-	ishtp_hbm_hdr(ishtp_hdr, len);
-	prop_req = (struct hbm_props_request *)data;
+	ishtp_hbm_hdr(&hdr, sizeof(prop_req));
 
-	memset(prop_req, 0, sizeof(struct hbm_props_request));
+	prop_req.hbm_cmd = HOST_CLIENT_PROPERTIES_REQ_CMD;
+	prop_req.address = next_client_index;
 
-	prop_req->hbm_cmd = HOST_CLIENT_PROPERTIES_REQ_CMD;
-	prop_req->address = next_client_index;
-
-	if (ishtp_write_message(dev, ishtp_hdr, data)) {
+	if (ishtp_write_message(dev, &hdr, &prop_req)) {
 		dev->dev_state = ISHTP_DEV_RESETTING;
 		dev_err(dev->devc, "properties request send failed\n");
 		ish_hw_reset(dev);
@@ -266,19 +248,14 @@ static int ishtp_hbm_prop_req(struct ishtp_device *dev)
 static void ishtp_hbm_stop_req(struct ishtp_device *dev)
 {
 	struct ishtp_msg_hdr hdr;
-	unsigned char data[128];
-	struct ishtp_msg_hdr *ishtp_hdr = &hdr;
-	struct hbm_host_stop_request *req;
-	const size_t len = sizeof(struct hbm_host_stop_request);
+	struct hbm_host_stop_request stop_req = { 0 } ;
 
-	ishtp_hbm_hdr(ishtp_hdr, len);
-	req = (struct hbm_host_stop_request *)data;
+	ishtp_hbm_hdr(&hdr, sizeof(stop_req));
 
-	memset(req, 0, sizeof(struct hbm_host_stop_request));
-	req->hbm_cmd = HOST_STOP_REQ_CMD;
-	req->reason = DRIVER_STOP_REQUEST;
+	stop_req.hbm_cmd = HOST_STOP_REQ_CMD;
+	stop_req.reason = DRIVER_STOP_REQUEST;
 
-	ishtp_write_message(dev, ishtp_hdr, data);
+	ishtp_write_message(dev, &hdr, &stop_req);
 }
 
 /**
@@ -294,15 +271,15 @@ int ishtp_hbm_cl_flow_control_req(struct ishtp_device *dev,
 				  struct ishtp_cl *cl)
 {
 	struct ishtp_msg_hdr hdr;
-	unsigned char data[128];
-	struct ishtp_msg_hdr *ishtp_hdr = &hdr;
-	const size_t len = sizeof(struct hbm_flow_control);
+	struct hbm_flow_control flow_ctrl;
+	const size_t len = sizeof(flow_ctrl);
 	int	rv;
 	unsigned long	flags;
 
 	spin_lock_irqsave(&cl->fc_spinlock, flags);
-	ishtp_hbm_hdr(ishtp_hdr, len);
-	ishtp_hbm_cl_hdr(cl, ISHTP_FLOW_CONTROL_CMD, data, len);
+
+	ishtp_hbm_hdr(&hdr, len);
+	ishtp_hbm_cl_hdr(cl, ISHTP_FLOW_CONTROL_CMD, &flow_ctrl, len);
 
 	/*
 	 * Sync possible race when RB recycle and packet receive paths
@@ -315,7 +292,7 @@ int ishtp_hbm_cl_flow_control_req(struct ishtp_device *dev,
 
 	cl->recv_msg_num_frags = 0;
 
-	rv = ishtp_write_message(dev, ishtp_hdr, data);
+	rv = ishtp_write_message(dev, &hdr, &flow_ctrl);
 	if (!rv) {
 		++cl->out_flow_ctrl_creds;
 		++cl->out_flow_ctrl_cnt;
@@ -345,14 +322,13 @@ int ishtp_hbm_cl_flow_control_req(struct ishtp_device *dev,
 int ishtp_hbm_cl_disconnect_req(struct ishtp_device *dev, struct ishtp_cl *cl)
 {
 	struct ishtp_msg_hdr hdr;
-	unsigned char data[128];
-	struct ishtp_msg_hdr *ishtp_hdr = &hdr;
-	const size_t len = sizeof(struct hbm_client_connect_request);
+	struct hbm_client_connect_request disconn_req;
+	const size_t len = sizeof(disconn_req);
 
-	ishtp_hbm_hdr(ishtp_hdr, len);
-	ishtp_hbm_cl_hdr(cl, CLIENT_DISCONNECT_REQ_CMD, data, len);
+	ishtp_hbm_hdr(&hdr, len);
+	ishtp_hbm_cl_hdr(cl, CLIENT_DISCONNECT_REQ_CMD, &disconn_req, len);
 
-	return ishtp_write_message(dev, ishtp_hdr, data);
+	return ishtp_write_message(dev, &hdr, &disconn_req);
 }
 
 /**
@@ -391,14 +367,13 @@ static void ishtp_hbm_cl_disconnect_res(struct ishtp_device *dev,
 int ishtp_hbm_cl_connect_req(struct ishtp_device *dev, struct ishtp_cl *cl)
 {
 	struct ishtp_msg_hdr hdr;
-	unsigned char data[128];
-	struct ishtp_msg_hdr *ishtp_hdr = &hdr;
-	const size_t len = sizeof(struct hbm_client_connect_request);
+	struct hbm_client_connect_request conn_req;
+	const size_t len = sizeof(conn_req);
 
-	ishtp_hbm_hdr(ishtp_hdr, len);
-	ishtp_hbm_cl_hdr(cl, CLIENT_CONNECT_REQ_CMD, data, len);
+	ishtp_hbm_hdr(&hdr, len);
+	ishtp_hbm_cl_hdr(cl, CLIENT_CONNECT_REQ_CMD, &conn_req, len);
 
-	return ishtp_write_message(dev, ishtp_hdr, data);
+	return ishtp_write_message(dev, &hdr, &conn_req);
 }
 
 /**