Merge tag 'v3.13-rc4' into next

Synchronize with mainline to bring in the new keycode definitions and
new hwmon API.

4 files changed, 31 insertions, 13 deletions

diff --git a/drivers/input/touchscreen/cyttsp_core.c b/drivers/input/touchscreen/cyttsp_core.c
index 56088eceacd..eee656f77a2 100644
--- a/drivers/input/touchscreen/cyttsp_core.c
+++ b/drivers/input/touchscreen/cyttsp_core.c
@@ -242,7 +242,7 @@ static int cyttsp_soft_reset(struct cyttsp *ts)
 	int retval;
 
 	/* wait for interrupt to set ready completion */
-	INIT_COMPLETION(ts->bl_ready);
+	reinit_completion(&ts->bl_ready);
 	ts->state = CY_BL_STATE;
 
 	enable_irq(ts->irq);
diff --git a/drivers/input/touchscreen/sur40.c b/drivers/input/touchscreen/sur40.c
index cfd1b7e8c00..f1cb05148b4 100644
--- a/drivers/input/touchscreen/sur40.c
+++ b/drivers/input/touchscreen/sur40.c
@@ -251,7 +251,7 @@ static void sur40_poll(struct input_polled_dev *polldev)
 	struct sur40_state *sur40 = polldev->private;
 	struct input_dev *input = polldev->input;
 	int result, bulk_read, need_blobs, packet_blobs, i;
-	u32 packet_id;
+	u32 uninitialized_var(packet_id);
 
 	struct sur40_header *header = &sur40->bulk_in_buffer->header;
 	struct sur40_blob *inblob = &sur40->bulk_in_buffer->blobs[0];
@@ -286,7 +286,7 @@ static void sur40_poll(struct input_polled_dev *polldev)
 		if (need_blobs == -1) {
 			need_blobs = le16_to_cpu(header->count);
 			dev_dbg(sur40->dev, "need %d blobs\n", need_blobs);
-			packet_id = header->packet_id;
+			packet_id = le32_to_cpu(header->packet_id);
 		}
 
 		/*
diff --git a/drivers/input/touchscreen/ti_am335x_tsc.c b/drivers/input/touchscreen/ti_am335x_tsc.c
index ad7564296dd..68beadaabce 100644
--- a/drivers/input/touchscreen/ti_am335x_tsc.c
+++ b/drivers/input/touchscreen/ti_am335x_tsc.c
@@ -52,6 +52,7 @@ struct titsc {
 	u32			config_inp[4];
 	u32			bit_xp, bit_xn, bit_yp, bit_yn;
 	u32			inp_xp, inp_xn, inp_yp, inp_yn;
+	u32			step_mask;
 };
 
 static unsigned int titsc_readl(struct titsc *ts, unsigned int reg)
@@ -196,7 +197,8 @@ static void titsc_step_config(struct titsc *ts_dev)
 
 	/* The steps1 … end and bit 0 for TS_Charge */
 	stepenable = (1 << (end_step + 2)) - 1;
-	am335x_tsc_se_set(ts_dev->mfd_tscadc, stepenable);
+	ts_dev->step_mask = stepenable;
+	am335x_tsc_se_set(ts_dev->mfd_tscadc, ts_dev->step_mask);
 }
 
 static void titsc_read_coordinates(struct titsc *ts_dev,
@@ -260,6 +262,10 @@ static irqreturn_t titsc_irq(int irq, void *dev)
 	unsigned int fsm;
 
 	status = titsc_readl(ts_dev, REG_IRQSTATUS);
+	/*
+	 * ADC and touchscreen share the IRQ line.
+	 * FIFO1 interrupts are used by ADC. Handle FIFO0 IRQs here only
+	 */
 	if (status & IRQENB_FIFO0THRES) {
 
 		titsc_read_coordinates(ts_dev, &x, &y, &z1, &z2);
@@ -316,7 +322,7 @@ static irqreturn_t titsc_irq(int irq, void *dev)
 
 	if (irqclr) {
 		titsc_writel(ts_dev, REG_IRQSTATUS, irqclr);
-		am335x_tsc_se_update(ts_dev->mfd_tscadc);
+		am335x_tsc_se_set(ts_dev->mfd_tscadc, ts_dev->step_mask);
 		return IRQ_HANDLED;
 	}
 	return IRQ_NONE;
@@ -396,7 +402,7 @@ static int titsc_probe(struct platform_device *pdev)
 	}
 
 	err = request_irq(ts_dev->irq, titsc_irq,
-			  0, pdev->dev.driver->name, ts_dev);
+			  IRQF_SHARED, pdev->dev.driver->name, ts_dev);
 	if (err) {
 		dev_err(&pdev->dev, "failed to allocate irq.\n");
 		goto err_free_mem;
diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
index 721fdb3597c..5f87bed0546 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -106,6 +106,7 @@ struct usbtouch_device_info {
 struct usbtouch_usb {
 	unsigned char *data;
 	dma_addr_t data_dma;
+	int data_size;
 	unsigned char *buffer;
 	int buf_len;
 	struct urb *irq;
@@ -146,12 +147,10 @@ enum {
 
 #define USB_DEVICE_HID_CLASS(vend, prod) \
 	.match_flags = USB_DEVICE_ID_MATCH_INT_CLASS \
-		| USB_DEVICE_ID_MATCH_INT_PROTOCOL \
 		| USB_DEVICE_ID_MATCH_DEVICE, \
 	.idVendor = (vend), \
 	.idProduct = (prod), \
-	.bInterfaceClass = USB_INTERFACE_CLASS_HID, \
-	.bInterfaceProtocol = USB_INTERFACE_PROTOCOL_MOUSE
+	.bInterfaceClass = USB_INTERFACE_CLASS_HID
 
 static const struct usb_device_id usbtouch_devices[] = {
 #ifdef CONFIG_TOUCHSCREEN_USB_EGALAX
@@ -1523,7 +1522,7 @@ static int usbtouch_reset_resume(struct usb_interface *intf)
 static void usbtouch_free_buffers(struct usb_device *udev,
 				  struct usbtouch_usb *usbtouch)
 {
-	usb_free_coherent(udev, usbtouch->type->rept_size,
+	usb_free_coherent(udev, usbtouch->data_size,
 			  usbtouch->data, usbtouch->data_dma);
 	kfree(usbtouch->buffer);
 }
@@ -1568,7 +1567,20 @@ static int usbtouch_probe(struct usb_interface *intf,
 	if (!type->process_pkt)
 		type->process_pkt = usbtouch_process_pkt;
 
-	usbtouch->data = usb_alloc_coherent(udev, type->rept_size,
+	usbtouch->data_size = type->rept_size;
+	if (type->get_pkt_len) {
+		/*
+		 * When dealing with variable-length packets we should
+		 * not request more than wMaxPacketSize bytes at once
+		 * as we do not know if there is more data coming or
+		 * we filled exactly wMaxPacketSize bytes and there is
+		 * nothing else.
+		 */
+		usbtouch->data_size = min(usbtouch->data_size,
+					  usb_endpoint_maxp(endpoint));
+	}
+
+	usbtouch->data = usb_alloc_coherent(udev, usbtouch->data_size,
 					    GFP_KERNEL, &usbtouch->data_dma);
 	if (!usbtouch->data)
 		goto out_free;
@@ -1628,12 +1640,12 @@ static int usbtouch_probe(struct usb_interface *intf,
 	if (usb_endpoint_type(endpoint) == USB_ENDPOINT_XFER_INT)
 		usb_fill_int_urb(usbtouch->irq, udev,
 			 usb_rcvintpipe(udev, endpoint->bEndpointAddress),
-			 usbtouch->data, type->rept_size,
+			 usbtouch->data, usbtouch->data_size,
 			 usbtouch_irq, usbtouch, endpoint->bInterval);
 	else
 		usb_fill_bulk_urb(usbtouch->irq, udev,
 			 usb_rcvbulkpipe(udev, endpoint->bEndpointAddress),
-			 usbtouch->data, type->rept_size,
+			 usbtouch->data, usbtouch->data_size,
 			 usbtouch_irq, usbtouch);
 
 	usbtouch->irq->dev = udev;