commit f212ad5e993e7efb996fc8ce94a5de8f0bd06d41
author Samuel Ortiz <sameo@linux.intel.com> Thu May 31 00:02:26 2012 +0200
committer Samuel Ortiz <sameo@linux.intel.com> Mon Jun 04 21:34:30 2012 +0200
tree 719e09118ffc8e80a7c916d16c0529510bdc5ebb
parent fc40a8c1a06ab7db45da790693dd9802612a055c

NFC: Set the NFC device RF mode appropriately

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

include/linux/nfc.h

diff --git a/include/linux/nfc.h b/include/linux/nfc.h
index d124e92..f4e6dd9 100644
--- a/include/linux/nfc.h
+++ b/include/linux/nfc.h
@@ -146,6 +146,7 @@
 /* NFC RF modes */
 #define NFC_RF_INITIATOR 0
 #define NFC_RF_TARGET    1
+#define NFC_RF_NONE      2
 
 /* NFC protocols masks used in bitsets */
 #define NFC_PROTO_JEWEL_MASK	(1 << NFC_PROTO_JEWEL)

include/net/nfc/nfc.h

diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h
index 41573b4b..a6a7b49 100644
--- a/include/net/nfc/nfc.h
+++ b/include/net/nfc/nfc.h
@@ -100,10 +100,10 @@
 	int targets_generation;
 	struct device dev;
 	bool dev_up;
+	u8 rf_mode;
 	bool polling;
 	struct nfc_target *active_target;
 	bool dep_link_up;
-	u32 dep_rf_mode;
 	struct nfc_genl_data genl_data;
 	u32 supported_protocols;
 

net/nfc/core.c

diff --git a/net/nfc/core.c b/net/nfc/core.c
index 17f1474..722a0c7 100644
--- a/net/nfc/core.c
+++ b/net/nfc/core.c
@@ -144,8 +144,10 @@
 	}
 
 	rc = dev->ops->start_poll(dev, im_protocols, tm_protocols);
-	if (!rc)
+	if (!rc) {
 		dev->polling = true;
+		dev->rf_mode = NFC_RF_NONE;
+	}
 
 error:
 	device_unlock(&dev->dev);
@@ -235,8 +237,10 @@
 	}
 
 	rc = dev->ops->dep_link_up(dev, target, comm_mode, gb, gb_len);
-	if (!rc)
+	if (!rc) {
 		dev->active_target = target;
+		dev->rf_mode = NFC_RF_INITIATOR;
+	}
 
 error:
 	device_unlock(&dev->dev);
@@ -264,7 +268,7 @@
 		goto error;
 	}
 
-	if (dev->dep_rf_mode == NFC_RF_TARGET) {
+	if (dev->rf_mode == NFC_RF_TARGET) {
 		rc = -EOPNOTSUPP;
 		goto error;
 	}
@@ -286,7 +290,6 @@
 		       u8 comm_mode, u8 rf_mode)
 {
 	dev->dep_link_up = true;
-	dev->dep_rf_mode = rf_mode;
 
 	nfc_llcp_mac_is_up(dev, target_idx, comm_mode, rf_mode);
 
@@ -330,6 +333,7 @@
 	rc = dev->ops->activate_target(dev, target, protocol);
 	if (!rc) {
 		dev->active_target = target;
+		dev->rf_mode = NFC_RF_INITIATOR;
 
 		if (dev->ops->check_presence)
 			mod_timer(&dev->check_pres_timer, jiffies +
@@ -470,6 +474,8 @@
 			goto out;
 	}
 
+	dev->rf_mode = NFC_RF_TARGET;
+
 	if (protocol == NFC_PROTO_NFC_DEP_MASK)
 		nfc_dep_link_is_up(dev, 0, comm_mode, NFC_RF_TARGET);