From: Eric Lapuyade <eric.lapuyade@linux.intel.com>
To: "John W. Linville" <linville@tuxdriver.com>,
linux-wireless@vger.kernel.org
Cc: Samuel Ortiz <sameo@linux.intel.com>,
Lauro Ramos Venancio <lauro.venancio@openbossa.org>,
Aloisio Almeida Jr <aloisio.almeida@openbossa.org>
Subject: [PATCH] NFC: Changed target activated state logic
Date: Fri, 23 Mar 2012 12:14:13 +0100 [thread overview]
Message-ID: <4F6C5B05.40003@linux.intel.com> (raw)
As we need to maintain the currently activated target idx, use this variable instead of the redundant remote_activated bool.
Signed-off-by: Eric Lapuyade <eric.lapuyade@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
include/net/nfc/nfc.h | 3 ++-
net/nfc/core.c | 8 +++++---
2 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h
index f4f6950..7273ff1 100644
--- a/include/net/nfc/nfc.h
+++ b/include/net/nfc/nfc.h
@@ -66,6 +66,7 @@ struct nfc_ops {
#define NFC_TARGET_IDX_ANY -1
#define NFC_MAX_GT_LEN 48
+#define NFC_TARGET_IDX_NONE 0xffffffff
struct nfc_target {
u32 idx;
@@ -97,7 +98,7 @@ struct nfc_dev {
struct device dev;
bool dev_up;
bool polling;
- bool remote_activated;
+ u32 activated_target_idx;
bool dep_link_up;
u32 dep_rf_mode;
struct nfc_genl_data genl_data;
diff --git a/net/nfc/core.c b/net/nfc/core.c
index d3a2cfb..e9936d9 100644
--- a/net/nfc/core.c
+++ b/net/nfc/core.c
@@ -95,7 +95,7 @@ int nfc_dev_down(struct nfc_dev *dev)
goto error;
}
- if (dev->polling || dev->remote_activated) {
+ if (dev->polling || dev->activated_target_idx != NFC_TARGET_IDX_NONE) {
rc = -EBUSY;
goto error;
}
@@ -290,7 +290,7 @@ int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol)
rc = dev->ops->activate_target(dev, target_idx, protocol);
if (!rc)
- dev->remote_activated = true;
+ dev->activated_target_idx = target_idx;
error:
device_unlock(&dev->dev);
@@ -318,7 +318,7 @@ int nfc_deactivate_target(struct nfc_dev *dev, u32 target_idx)
}
dev->ops->deactivate_target(dev, target_idx);
- dev->remote_activated = false;
+ dev->activated_target_idx = NFC_TARGET_IDX_NONE;
error:
device_unlock(&dev->dev);
@@ -587,6 +587,8 @@ struct nfc_dev *nfc_allocate_device(struct nfc_ops *ops,
/* first generation must not be 0 */
dev->targets_generation = 1;
+ dev->activated_target_idx = NFC_TARGET_IDX_NONE;
+
return dev;
}
EXPORT_SYMBOL(nfc_allocate_device);
--
1.7.6.5
next reply other threads:[~2012-03-23 11:13 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-23 11:14 Eric Lapuyade [this message]
2012-03-23 11:31 ` [PATCH] NFC: Changed target activated state logic Samuel Ortiz
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