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path: root/drivers/char/tpm/tpm_vtpm_proxy.c
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Diffstat (limited to 'drivers/char/tpm/tpm_vtpm_proxy.c')
-rw-r--r--drivers/char/tpm/tpm_vtpm_proxy.c48
1 files changed, 36 insertions, 12 deletions
diff --git a/drivers/char/tpm/tpm_vtpm_proxy.c b/drivers/char/tpm/tpm_vtpm_proxy.c
index 5463b58af26e..751059d2140a 100644
--- a/drivers/char/tpm/tpm_vtpm_proxy.c
+++ b/drivers/char/tpm/tpm_vtpm_proxy.c
@@ -65,7 +65,12 @@ static void vtpm_proxy_delete_device(struct proxy_dev *proxy_dev);
/**
* vtpm_proxy_fops_read - Read TPM commands on 'server side'
*
- * Return value:
+ * @filp: file pointer
+ * @buf: read buffer
+ * @count: number of bytes to read
+ * @off: offset
+ *
+ * Return:
* Number of bytes read or negative error code
*/
static ssize_t vtpm_proxy_fops_read(struct file *filp, char __user *buf,
@@ -115,7 +120,12 @@ static ssize_t vtpm_proxy_fops_read(struct file *filp, char __user *buf,
/**
* vtpm_proxy_fops_write - Write TPM responses on 'server side'
*
- * Return value:
+ * @filp: file pointer
+ * @buf: write buffer
+ * @count: number of bytes to write
+ * @off: offset
+ *
+ * Return:
* Number of bytes read or negative error value
*/
static ssize_t vtpm_proxy_fops_write(struct file *filp, const char __user *buf,
@@ -155,10 +165,12 @@ static ssize_t vtpm_proxy_fops_write(struct file *filp, const char __user *buf,
}
/*
- * vtpm_proxy_fops_poll: Poll status on 'server side'
+ * vtpm_proxy_fops_poll - Poll status on 'server side'
+ *
+ * @filp: file pointer
+ * @wait: poll table
*
- * Return value:
- * Poll flags
+ * Return: Poll flags
*/
static unsigned int vtpm_proxy_fops_poll(struct file *filp, poll_table *wait)
{
@@ -185,6 +197,8 @@ static unsigned int vtpm_proxy_fops_poll(struct file *filp, poll_table *wait)
/*
* vtpm_proxy_fops_open - Open vTPM device on 'server side'
*
+ * @filp: file pointer
+ *
* Called when setting up the anonymous file descriptor
*/
static void vtpm_proxy_fops_open(struct file *filp)
@@ -196,8 +210,9 @@ static void vtpm_proxy_fops_open(struct file *filp)
/**
* vtpm_proxy_fops_undo_open - counter-part to vtpm_fops_open
+ * Call to undo vtpm_proxy_fops_open
*
- * Call to undo vtpm_proxy_fops_open
+ *@proxy_dev: tpm proxy device
*/
static void vtpm_proxy_fops_undo_open(struct proxy_dev *proxy_dev)
{
@@ -212,9 +227,11 @@ static void vtpm_proxy_fops_undo_open(struct proxy_dev *proxy_dev)
}
/*
- * vtpm_proxy_fops_release: Close 'server side'
+ * vtpm_proxy_fops_release - Close 'server side'
*
- * Return value:
+ * @inode: inode
+ * @filp: file pointer
+ * Return:
* Always returns 0.
*/
static int vtpm_proxy_fops_release(struct inode *inode, struct file *filp)
@@ -245,7 +262,10 @@ static const struct file_operations vtpm_proxy_fops = {
/*
* Called when core TPM driver reads TPM responses from 'server side'
*
- * Return value:
+ * @chip: tpm chip to use
+ * @buf: receive buffer
+ * @count: bytes to read
+ * Return:
* Number of TPM response bytes read, negative error value otherwise
*/
static int vtpm_proxy_tpm_op_recv(struct tpm_chip *chip, u8 *buf, size_t count)
@@ -282,7 +302,11 @@ out:
/*
* Called when core TPM driver forwards TPM requests to 'server side'.
*
- * Return value:
+ * @chip: tpm chip to use
+ * @buf: send buffer
+ * @count: bytes to send
+ *
+ * Return:
* 0 in case of success, negative error value otherwise.
*/
static int vtpm_proxy_tpm_op_send(struct tpm_chip *chip, u8 *buf, size_t count)
@@ -442,7 +466,7 @@ static inline void vtpm_proxy_delete_proxy_dev(struct proxy_dev *proxy_dev)
/*
* Create a /dev/tpm%d and 'server side' file descriptor pair
*
- * Return value:
+ * Return:
* Returns file pointer on success, an error value otherwise
*/
static struct file *vtpm_proxy_create_device(
@@ -571,7 +595,7 @@ static long vtpmx_ioc_new_dev(struct file *file, unsigned int ioctl,
/*
* vtpmx_fops_ioctl: ioctl on /dev/vtpmx
*
- * Return value:
+ * Return:
* Returns 0 on success, a negative error code otherwise.
*/
static long vtpmx_fops_ioctl(struct file *f, unsigned int ioctl,