The tpm_dev_release function is only called for platform devices, not pnp

[deliverable/linux.git] / drivers / char / tpm / tpm.h

diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 9f273f032b0f9a276c9f52c2594f6be17c5bc814..8e30df4a4388166343af7bfed2aadefdd4f809bc 100644 (file)
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -7,7 +7,7 @@
  * Reiner Sailer <sailer@watson.ibm.com>
  * Kylene Hall <kjhall@us.ibm.com>
  *
- * Maintained by: <tpmdd_devel@lists.sourceforge.net>
+ * Maintained by: <tpmdd-devel@lists.sourceforge.net>
  *
  * Device driver for TCG/TCPA TPM (trusted platform module).
  * Specifications at www.trustedcomputinggroup.org      
@@ -21,6 +21,7 @@
 #include <linux/module.h>
 #include <linux/delay.h>
 #include <linux/fs.h>
+#include <linux/mutex.h>
 #include <linux/sched.h>
 #include <linux/miscdevice.h>
 #include <linux/platform_device.h>
@@ -73,6 +74,7 @@ struct tpm_vendor_specific {
        int (*send) (struct tpm_chip *, u8 *, size_t);
        void (*cancel) (struct tpm_chip *);
        u8 (*status) (struct tpm_chip *);
+       void (*release) (struct device *);
        struct miscdevice miscdev;
        struct attribute_group *attr_group;
        struct list_head list;
@@ -88,23 +90,24 @@ struct tpm_chip {
        struct device *dev;     /* Device stuff */
 
        int dev_num;            /* /dev/tpm# */
-       int num_opens;          /* only one allowed */
+       unsigned long is_open;  /* only one allowed */
        int time_expired;
 
        /* Data passed to and from the tpm via the read/write calls */
        u8 *data_buffer;
        atomic_t data_pending;
-       struct semaphore buffer_mutex;
+       struct mutex buffer_mutex;
 
        struct timer_list user_read_timer;      /* user needs to claim result */
        struct work_struct work;
-       struct semaphore tpm_mutex;     /* tpm is processing */
+       struct mutex tpm_mutex; /* tpm is processing */
 
        struct tpm_vendor_specific vendor;
 
        struct dentry **bios_dir;
 
        struct list_head list;
+       void (*release) (struct device *);
 };
 
 #define to_tpm_chip(n) container_of(n, struct tpm_chip, vendor)
@@ -129,6 +132,7 @@ extern struct tpm_chip* tpm_register_hardware(struct device *,
                                 const struct tpm_vendor_specific *);
 extern int tpm_open(struct inode *, struct file *);
 extern int tpm_release(struct inode *, struct file *);
+extern void tpm_dev_vendor_release(struct tpm_chip *);
 extern ssize_t tpm_write(struct file *, const char __user *, size_t,
                         loff_t *);
 extern ssize_t tpm_read(struct file *, char __user *, size_t, loff_t *);