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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-07-16 12:32:42 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-07-16 12:32:42 -0700
commit467a3ca5cab64a16b5ec46ebb1895c84c280dcfe (patch)
tree68096d5b17e884d270420d50e466186c73019830 /include/linux/rpmsg.h
parent40c9f61eae9098212b6906f29f30f08f7a19b5e2 (diff)
parent84a1caf1453c3d44050bd22db958af4a7f99315c (diff)
Merge branch 'v3.6-rc7' into tty-next
This is to sync up on Linus's branch to get the other tty and core changes. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/rpmsg.h')
-rw-r--r--include/linux/rpmsg.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/rpmsg.h b/include/linux/rpmsg.h
index a8e50e44203..82a673905ed 100644
--- a/include/linux/rpmsg.h
+++ b/include/linux/rpmsg.h
@@ -38,6 +38,8 @@
#include <linux/types.h>
#include <linux/device.h>
#include <linux/mod_devicetable.h>
+#include <linux/kref.h>
+#include <linux/mutex.h>
/* The feature bitmap for virtio rpmsg */
#define VIRTIO_RPMSG_F_NS 0 /* RP supports name service notifications */
@@ -120,7 +122,9 @@ typedef void (*rpmsg_rx_cb_t)(struct rpmsg_channel *, void *, int, void *, u32);
/**
* struct rpmsg_endpoint - binds a local rpmsg address to its user
* @rpdev: rpmsg channel device
+ * @refcount: when this drops to zero, the ept is deallocated
* @cb: rx callback handler
+ * @cb_lock: must be taken before accessing/changing @cb
* @addr: local rpmsg address
* @priv: private data for the driver's use
*
@@ -140,7 +144,9 @@ typedef void (*rpmsg_rx_cb_t)(struct rpmsg_channel *, void *, int, void *, u32);
*/
struct rpmsg_endpoint {
struct rpmsg_channel *rpdev;
+ struct kref refcount;
rpmsg_rx_cb_t cb;
+ struct mutex cb_lock;
u32 addr;
void *priv;
};