10 files changed, 7 insertions, 17 deletions
diff --git a/drivers/nfc/microread/mei.c b/drivers/nfc/microread/mei.c
index 8fa7771085eb..8edf761a6b2a 100644
--- a/drivers/nfc/microread/mei.c
+++ b/drivers/nfc/microread/mei.c
@@ -10,7 +10,6 @@
 #include <linux/module.h>
 #include <linux/mod_devicetable.h>
 #include <linux/nfc.h>
-#include <net/nfc/hci.h>
 #include <net/nfc/llc.h>
 
 #include "../mei_phy.h"
diff --git a/drivers/nfc/microread/microread.c b/drivers/nfc/microread/microread.c
index 9d83ccebd434..bb4d029bb888 100644
--- a/drivers/nfc/microread/microread.c
+++ b/drivers/nfc/microread/microread.c
@@ -15,7 +15,6 @@
 #include <linux/nfc.h>
 #include <net/nfc/nfc.h>
 #include <net/nfc/hci.h>
-#include <net/nfc/llc.h>
 
 #include "microread.h"
 
diff --git a/drivers/nfc/nfcmrvl/i2c.c b/drivers/nfc/nfcmrvl/i2c.c
index c38b228006fd..ceef81d93ac9 100644
--- a/drivers/nfc/nfcmrvl/i2c.c
+++ b/drivers/nfc/nfcmrvl/i2c.c
@@ -8,12 +8,9 @@
 #include <linux/module.h>
 #include <linux/interrupt.h>
 #include <linux/i2c.h>
-#include <linux/pm_runtime.h>
 #include <linux/nfc.h>
-#include <linux/gpio.h>
 #include <linux/delay.h>
 #include <linux/of_irq.h>
-#include <linux/of_gpio.h>
 #include <net/nfc/nci.h>
 #include <net/nfc/nci_core.h>
 #include "nfcmrvl.h"
diff --git a/drivers/nfc/nfcmrvl/spi.c b/drivers/nfc/nfcmrvl/spi.c
index b182ab2e03c0..5b833a9a83f8 100644
--- a/drivers/nfc/nfcmrvl/spi.c
+++ b/drivers/nfc/nfcmrvl/spi.c
@@ -7,11 +7,8 @@
 
 #include <linux/module.h>
 #include <linux/interrupt.h>
-#include <linux/pm_runtime.h>
 #include <linux/nfc.h>
-#include <linux/gpio.h>
 #include <linux/of_irq.h>
-#include <linux/of_gpio.h>
 #include <net/nfc/nci.h>
 #include <net/nfc/nci_core.h>
 #include <linux/spi/spi.h>
diff --git a/drivers/nfc/pn544/pn544.c b/drivers/nfc/pn544/pn544.c
index 092f03b80a78..32a61a185142 100644
--- a/drivers/nfc/pn544/pn544.c
+++ b/drivers/nfc/pn544/pn544.c
@@ -13,7 +13,6 @@
 
 #include <linux/nfc.h>
 #include <net/nfc/hci.h>
-#include <net/nfc/llc.h>
 
 #include "pn544.h"
 
diff --git a/drivers/nfc/st-nci/core.c b/drivers/nfc/st-nci/core.c
index 72bb51efdf9c..a367136d4330 100644
--- a/drivers/nfc/st-nci/core.c
+++ b/drivers/nfc/st-nci/core.c
@@ -9,8 +9,6 @@
 #include <linux/nfc.h>
 #include <net/nfc/nci.h>
 #include <net/nfc/nci_core.h>
-#include <linux/gpio.h>
-#include <linux/delay.h>
 
 #include "st-nci.h"
 
diff --git a/drivers/nfc/st21nfca/core.c b/drivers/nfc/st21nfca/core.c
index 5e6c99fcfd27..161caf2675cf 100644
--- a/drivers/nfc/st21nfca/core.c
+++ b/drivers/nfc/st21nfca/core.c
@@ -8,7 +8,6 @@
 #include <linux/module.h>
 #include <linux/nfc.h>
 #include <net/nfc/hci.h>
-#include <net/nfc/llc.h>
 
 #include "st21nfca.h"
 
diff --git a/drivers/nfc/st21nfca/i2c.c b/drivers/nfc/st21nfca/i2c.c
index 1b44a37a71aa..279d88128b2e 100644
--- a/drivers/nfc/st21nfca/i2c.c
+++ b/drivers/nfc/st21nfca/i2c.c
@@ -18,8 +18,6 @@
 #include <linux/nfc.h>
 #include <linux/firmware.h>
 
-#include <asm/unaligned.h>
-
 #include <net/nfc/hci.h>
 #include <net/nfc/llc.h>
 #include <net/nfc/nfc.h>
diff --git a/drivers/nfc/st95hf/core.c b/drivers/nfc/st95hf/core.c
index 993818742570..d16cf3ff644e 100644
--- a/drivers/nfc/st95hf/core.c
+++ b/drivers/nfc/st95hf/core.c
@@ -16,7 +16,6 @@
 #include <linux/nfc.h>
 #include <linux/of_gpio.h>
 #include <linux/of.h>
-#include <linux/of_irq.h>
 #include <linux/property.h>
 #include <linux/regulator/consumer.h>
 #include <linux/wait.h>
diff --git a/drivers/nfc/virtual_ncidev.c b/drivers/nfc/virtual_ncidev.c
index 2ee0ec4bb739..221fa3bb8705 100644
--- a/drivers/nfc/virtual_ncidev.c
+++ b/drivers/nfc/virtual_ncidev.c
@@ -10,6 +10,7 @@
 #include <linux/module.h>
 #include <linux/miscdevice.h>
 #include <linux/mutex.h>
+#include <linux/wait.h>
 #include <net/nfc/nci_core.h>
 
 enum virtual_ncidev_mode {
@@ -27,6 +28,7 @@ enum virtual_ncidev_mode {
 				 NFC_PROTO_ISO15693_MASK)
 
 static enum virtual_ncidev_mode state;
+static DECLARE_WAIT_QUEUE_HEAD(wq);
 static struct miscdevice miscdev;
 static struct sk_buff *send_buff;
 static struct nci_dev *ndev;
@@ -61,6 +63,7 @@ static int virtual_nci_send(struct nci_dev *ndev, struct sk_buff *skb)
 	}
 	send_buff = skb_copy(skb, GFP_KERNEL);
 	mutex_unlock(&nci_mutex);
+	wake_up_interruptible(&wq);
 
 	return 0;
 }
@@ -77,9 +80,11 @@ static ssize_t virtual_ncidev_read(struct file *file, char __user *buf,
 	size_t actual_len;
 
 	mutex_lock(&nci_mutex);
-	if (!send_buff) {
+	while (!send_buff) {
 		mutex_unlock(&nci_mutex);
-		return 0;
+		if (wait_event_interruptible(wq, send_buff))
+			return -EFAULT;
+		mutex_lock(&nci_mutex);
 	}
 
 	actual_len = min_t(size_t, count, send_buff->len);