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

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: ad7877 - keep dma rx buffers in seperate cache lines
  Input: psmouse - reset all types of mice before reconnecting
  Input: elantech - use all 3 bytes when checking version
  Input: iforce - fix Guillemot Jet Leader 3D entry
  Input: iforce - add Guillemot Jet Leader Force Feedback

6 files changed, 42 insertions, 23 deletions

diff --git a/drivers/input/joystick/iforce/iforce-main.c b/drivers/input/joystick/iforce/iforce-main.c
index b1edd77..405febd 100644
--- a/drivers/input/joystick/iforce/iforce-main.c
+++ b/drivers/input/joystick/iforce/iforce-main.c
@@ -54,6 +54,9 @@ static signed short btn_avb_wheel[] =
 static signed short abs_joystick[] =
 { ABS_X, ABS_Y, ABS_THROTTLE, ABS_HAT0X, ABS_HAT0Y, -1 };
 
+static signed short abs_joystick_rudder[] =
+{ ABS_X, ABS_Y, ABS_THROTTLE, ABS_RUDDER, ABS_HAT0X, ABS_HAT0Y, -1 };
+
 static signed short abs_avb_pegasus[] =
 { ABS_X, ABS_Y, ABS_THROTTLE, ABS_RUDDER, ABS_HAT0X, ABS_HAT0Y,
   ABS_HAT1X, ABS_HAT1Y, -1 };
@@ -76,8 +79,9 @@ static struct iforce_device iforce_device[] = {
 	{ 0x061c, 0xc0a4, "ACT LABS Force RS",                          btn_wheel, abs_wheel, ff_iforce }, //?
 	{ 0x061c, 0xc084, "ACT LABS Force RS",				btn_wheel, abs_wheel, ff_iforce },
 	{ 0x06f8, 0x0001, "Guillemot Race Leader Force Feedback",	btn_wheel, abs_wheel, ff_iforce }, //?
+	{ 0x06f8, 0x0001, "Guillemot Jet Leader Force Feedback",	btn_joystick, abs_joystick_rudder, ff_iforce },
 	{ 0x06f8, 0x0004, "Guillemot Force Feedback Racing Wheel",	btn_wheel, abs_wheel, ff_iforce }, //?
-	{ 0x06f8, 0x0004, "Gullemot Jet Leader 3D",			btn_joystick, abs_joystick, ff_iforce }, //?
+	{ 0x06f8, 0xa302, "Guillemot Jet Leader 3D",			btn_joystick, abs_joystick, ff_iforce }, //?
 	{ 0x06d6, 0x29bc, "Trust Force Feedback Race Master",		btn_wheel, abs_wheel, ff_iforce },
 	{ 0x0000, 0x0000, "Unknown I-Force Device [%04x:%04x]",		btn_joystick, abs_joystick, ff_iforce }
 };
diff --git a/drivers/input/joystick/iforce/iforce-usb.c b/drivers/input/joystick/iforce/iforce-usb.c
index b41303d..6c96631 100644
--- a/drivers/input/joystick/iforce/iforce-usb.c
+++ b/drivers/input/joystick/iforce/iforce-usb.c
@@ -212,6 +212,7 @@ static struct usb_device_id iforce_usb_ids [] = {
 	{ USB_DEVICE(0x061c, 0xc0a4) },         /* ACT LABS Force RS */
 	{ USB_DEVICE(0x061c, 0xc084) },         /* ACT LABS Force RS */
 	{ USB_DEVICE(0x06f8, 0x0001) },		/* Guillemot Race Leader Force Feedback */
+	{ USB_DEVICE(0x06f8, 0x0003) },		/* Guillemot Jet Leader Force Feedback */
 	{ USB_DEVICE(0x06f8, 0x0004) },		/* Guillemot Force Feedback Racing Wheel */
 	{ USB_DEVICE(0x06f8, 0xa302) },		/* Guillemot Jet Leader 3D */
 	{ }					/* Terminating entry */
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 0520c2e..112b4ee 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -185,7 +185,7 @@ static void elantech_report_absolute_v1(struct psmouse *psmouse)
 	int fingers;
 	static int old_fingers;
 
-	if (etd->fw_version_maj == 0x01) {
+	if (etd->fw_version < 0x020000) {
 		/*
 		 * byte 0:  D   U  p1  p2   1  p3   R   L
 		 * byte 1:  f   0  th  tw  x9  x8  y9  y8
@@ -227,7 +227,7 @@ static void elantech_report_absolute_v1(struct psmouse *psmouse)
 	input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
 	input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
 
-	if ((etd->fw_version_maj == 0x01) &&
+	if (etd->fw_version < 0x020000 &&
 	    (etd->capabilities & ETP_CAP_HAS_ROCKER)) {
 		/* rocker up */
 		input_report_key(dev, BTN_FORWARD, packet[0] & 0x40);
@@ -321,7 +321,7 @@ static int elantech_check_parity_v1(struct psmouse *psmouse)
 	unsigned char p1, p2, p3;
 
 	/* Parity bits are placed differently */
-	if (etd->fw_version_maj == 0x01) {
+	if (etd->fw_version < 0x020000) {
 		/* byte 0:  D   U  p1  p2   1  p3   R   L */
 		p1 = (packet[0] & 0x20) >> 5;
 		p2 = (packet[0] & 0x10) >> 4;
@@ -457,7 +457,7 @@ static void elantech_set_input_params(struct psmouse *psmouse)
 	switch (etd->hw_version) {
 	case 1:
 		/* Rocker button */
-		if ((etd->fw_version_maj == 0x01) &&
+		if (etd->fw_version < 0x020000 &&
 		    (etd->capabilities & ETP_CAP_HAS_ROCKER)) {
 			__set_bit(BTN_FORWARD, dev->keybit);
 			__set_bit(BTN_BACK, dev->keybit);
@@ -686,15 +686,14 @@ int elantech_init(struct psmouse *psmouse)
 		pr_err("elantech.c: failed to query firmware version.\n");
 		goto init_fail;
 	}
-	etd->fw_version_maj = param[0];
-	etd->fw_version_min = param[2];
+
+	etd->fw_version = (param[0] << 16) | (param[1] << 8) | param[2];
 
 	/*
 	 * Assume every version greater than this is new EeePC style
 	 * hardware with 6 byte packets
 	 */
-	if ((etd->fw_version_maj == 0x02 && etd->fw_version_min >= 0x30) ||
-	    etd->fw_version_maj > 0x02) {
+	if (etd->fw_version >= 0x020030) {
 		etd->hw_version = 2;
 		/* For now show extra debug information */
 		etd->debug = 1;
@@ -704,8 +703,9 @@ int elantech_init(struct psmouse *psmouse)
 		etd->hw_version = 1;
 		etd->paritycheck = 1;
 	}
-	pr_info("elantech.c: assuming hardware version %d, firmware version %d.%d\n",
-		etd->hw_version, etd->fw_version_maj, etd->fw_version_min);
+
+	pr_info("elantech.c: assuming hardware version %d, firmware version %d.%d.%d\n",
+		etd->hw_version, param[0], param[1], param[2]);
 
 	if (synaptics_send_cmd(psmouse, ETP_CAPABILITIES_QUERY, param)) {
 		pr_err("elantech.c: failed to query capabilities.\n");
@@ -720,8 +720,8 @@ int elantech_init(struct psmouse *psmouse)
 	 * a touch action starts causing the mouse cursor or scrolled page
 	 * to jump. Enable a workaround.
 	 */
-	if (etd->fw_version_maj == 0x02 && etd->fw_version_min == 0x22) {
-		pr_info("elantech.c: firmware version 2.34 detected, "
+	if (etd->fw_version == 0x020022) {
+		pr_info("elantech.c: firmware version 2.0.34 detected, "
 			"enabling jumpy cursor workaround\n");
 		etd->jumpy_cursor = 1;
 	}
diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h
index feac5f7..ac57bde 100644
--- a/drivers/input/mouse/elantech.h
+++ b/drivers/input/mouse/elantech.h
@@ -100,11 +100,10 @@ struct elantech_data {
 	unsigned char reg_26;
 	unsigned char debug;
 	unsigned char capabilities;
-	unsigned char fw_version_maj;
-	unsigned char fw_version_min;
-	unsigned char hw_version;
 	unsigned char paritycheck;
 	unsigned char jumpy_cursor;
+	unsigned char hw_version;
+	unsigned int  fw_version;
 	unsigned char parity[256];
 };
 
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index cbc8072..a3c9731 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -1394,6 +1394,7 @@ static int psmouse_reconnect(struct serio *serio)
 	struct psmouse *psmouse = serio_get_drvdata(serio);
 	struct psmouse *parent = NULL;
 	struct serio_driver *drv = serio->drv;
+	unsigned char type;
 	int rc = -1;
 
 	if (!drv || !psmouse) {
@@ -1413,10 +1414,15 @@ static int psmouse_reconnect(struct serio *serio)
 	if (psmouse->reconnect) {
 		if (psmouse->reconnect(psmouse))
 			goto out;
-	} else if (psmouse_probe(psmouse) < 0 ||
-		   psmouse->type != psmouse_extensions(psmouse,
-						psmouse_max_proto, false)) {
-		goto out;
+	} else {
+		psmouse_reset(psmouse);
+
+		if (psmouse_probe(psmouse) < 0)
+			goto out;
+
+		type = psmouse_extensions(psmouse, psmouse_max_proto, false);
+		if (psmouse->type != type)
+			goto out;
 	}
 
 	/* ok, the device type (and capabilities) match the old one,
diff --git a/drivers/input/touchscreen/ad7877.c b/drivers/input/touchscreen/ad7877.c
index e019d53d..0d2d7e5 100644
--- a/drivers/input/touchscreen/ad7877.c
+++ b/drivers/input/touchscreen/ad7877.c
@@ -156,9 +156,14 @@ struct ser_req {
 	u16			reset;
 	u16			ref_on;
 	u16			command;
-	u16			sample;
 	struct spi_message	msg;
 	struct spi_transfer	xfer[6];
+
+	/*
+	 * DMA (thus cache coherency maintenance) requires the
+	 * transfer buffers to live in their own cache lines.
+	 */
+	u16 sample ____cacheline_aligned;
 };
 
 struct ad7877 {
@@ -182,8 +187,6 @@ struct ad7877 {
 	u8			averaging;
 	u8			pen_down_acc_interval;
 
-	u16			conversion_data[AD7877_NR_SENSE];
-
 	struct spi_transfer	xfer[AD7877_NR_SENSE + 2];
 	struct spi_message	msg;
 
@@ -195,6 +198,12 @@ struct ad7877 {
 	spinlock_t		lock;
 	struct timer_list	timer;		/* P: lock */
 	unsigned		pending:1;	/* P: lock */
+
+	/*
+	 * DMA (thus cache coherency maintenance) requires the
+	 * transfer buffers to live in their own cache lines.
+	 */
+	u16 conversion_data[AD7877_NR_SENSE] ____cacheline_aligned;
 };
 
 static int gpio3;