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path: root/drivers/misc/mei/wd.c
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Diffstat (limited to 'drivers/misc/mei/wd.c')
-rw-r--r--drivers/misc/mei/wd.c59
1 files changed, 27 insertions, 32 deletions
diff --git a/drivers/misc/mei/wd.c b/drivers/misc/mei/wd.c
index a84a664dfccb..b836dfffceb5 100644
--- a/drivers/misc/mei/wd.c
+++ b/drivers/misc/mei/wd.c
@@ -17,7 +17,6 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/device.h>
-#include <linux/pci.h>
#include <linux/sched.h>
#include <linux/watchdog.h>
@@ -42,7 +41,7 @@ const uuid_le mei_wd_guid = UUID_LE(0x05B79A6F, 0x4628, 0x4D7F, 0x89,
static void mei_wd_set_start_timeout(struct mei_device *dev, u16 timeout)
{
- dev_dbg(&dev->pdev->dev, "wd: set timeout=%d.\n", timeout);
+ dev_dbg(dev->dev, "wd: set timeout=%d.\n", timeout);
memcpy(dev->wd_data, mei_start_wd_params, MEI_WD_HDR_SIZE);
memcpy(dev->wd_data + MEI_WD_HDR_SIZE, &timeout, sizeof(u16));
}
@@ -52,14 +51,14 @@ static void mei_wd_set_start_timeout(struct mei_device *dev, u16 timeout)
*
* @dev: the device structure
*
- * returns -ENOTTY if wd client cannot be found
+ * Return: -ENOTTY if wd client cannot be found
* -EIO if write has failed
* 0 on success
*/
int mei_wd_host_init(struct mei_device *dev)
{
struct mei_cl *cl = &dev->wd_cl;
- int id;
+ struct mei_me_client *me_cl;
int ret;
mei_cl_init(cl, dev);
@@ -69,25 +68,26 @@ int mei_wd_host_init(struct mei_device *dev)
/* check for valid client id */
- id = mei_me_cl_by_uuid(dev, &mei_wd_guid);
- if (id < 0) {
- dev_info(&dev->pdev->dev, "wd: failed to find the client\n");
+ me_cl = mei_me_cl_by_uuid(dev, &mei_wd_guid);
+ if (!me_cl) {
+ dev_info(dev->dev, "wd: failed to find the client\n");
return -ENOTTY;
}
- cl->me_client_id = dev->me_clients[id].client_id;
+ cl->me_client_id = me_cl->client_id;
+ cl->cl_uuid = me_cl->props.protocol_name;
ret = mei_cl_link(cl, MEI_WD_HOST_CLIENT_ID);
if (ret < 0) {
- dev_info(&dev->pdev->dev, "wd: failed link client\n");
+ dev_info(dev->dev, "wd: failed link client\n");
return ret;
}
ret = mei_cl_connect(cl, NULL);
if (ret) {
- dev_err(&dev->pdev->dev, "wd: failed to connect = %d\n", ret);
+ dev_err(dev->dev, "wd: failed to connect = %d\n", ret);
mei_cl_unlink(cl);
return ret;
}
@@ -105,7 +105,7 @@ int mei_wd_host_init(struct mei_device *dev)
*
* @dev: the device structure
*
- * returns 0 if success,
+ * Return: 0 if success,
* -EIO when message send fails
* -EINVAL when invalid message is to be sent
* -ENODEV on flow control failure
@@ -127,19 +127,19 @@ int mei_wd_send(struct mei_device *dev)
else if (!memcmp(dev->wd_data, mei_stop_wd_params, MEI_WD_HDR_SIZE))
hdr.length = MEI_WD_STOP_MSG_SIZE;
else {
- dev_err(&dev->pdev->dev, "wd: invalid message is to be sent, aborting\n");
+ dev_err(dev->dev, "wd: invalid message is to be sent, aborting\n");
return -EINVAL;
}
ret = mei_write_message(dev, &hdr, dev->wd_data);
if (ret) {
- dev_err(&dev->pdev->dev, "wd: write message failed\n");
+ dev_err(dev->dev, "wd: write message failed\n");
return ret;
}
ret = mei_cl_flow_ctrl_reduce(cl);
if (ret) {
- dev_err(&dev->pdev->dev, "wd: flow_ctrl_reduce failed.\n");
+ dev_err(dev->dev, "wd: flow_ctrl_reduce failed.\n");
return ret;
}
@@ -150,9 +150,8 @@ int mei_wd_send(struct mei_device *dev)
* mei_wd_stop - sends watchdog stop message to fw.
*
* @dev: the device structure
- * @preserve: indicate if to keep the timeout value
*
- * returns 0 if success
+ * Return: 0 if success
* on error:
* -EIO when message send fails
* -EINVAL when invalid message is to be sent
@@ -192,11 +191,10 @@ int mei_wd_stop(struct mei_device *dev)
if (dev->wd_state != MEI_WD_IDLE) {
/* timeout */
ret = -ETIME;
- dev_warn(&dev->pdev->dev,
- "wd: stop failed to complete ret=%d.\n", ret);
+ dev_warn(dev->dev, "wd: stop failed to complete ret=%d\n", ret);
goto err;
}
- dev_dbg(&dev->pdev->dev, "wd: stop completed after %u msec\n",
+ dev_dbg(dev->dev, "wd: stop completed after %u msec\n",
MEI_WD_STOP_TIMEOUT - jiffies_to_msecs(ret));
return 0;
err:
@@ -208,7 +206,7 @@ err:
*
* @wd_dev - watchdog device struct
*
- * returns 0 if success, negative errno code for failure
+ * Return: 0 if success, negative errno code for failure
*/
static int mei_wd_ops_start(struct watchdog_device *wd_dev)
{
@@ -222,15 +220,13 @@ static int mei_wd_ops_start(struct watchdog_device *wd_dev)
mutex_lock(&dev->device_lock);
if (dev->dev_state != MEI_DEV_ENABLED) {
- dev_dbg(&dev->pdev->dev,
- "wd: dev_state != MEI_DEV_ENABLED dev_state = %s\n",
+ dev_dbg(dev->dev, "wd: dev_state != MEI_DEV_ENABLED dev_state = %s\n",
mei_dev_state_str(dev->dev_state));
goto end_unlock;
}
if (dev->wd_cl.state != MEI_FILE_CONNECTED) {
- dev_dbg(&dev->pdev->dev,
- "MEI Driver is not connected to Watchdog Client\n");
+ dev_dbg(dev->dev, "MEI Driver is not connected to Watchdog Client\n");
goto end_unlock;
}
@@ -247,7 +243,7 @@ end_unlock:
*
* @wd_dev - watchdog device struct
*
- * returns 0 if success, negative errno code for failure
+ * Return: 0 if success, negative errno code for failure
*/
static int mei_wd_ops_stop(struct watchdog_device *wd_dev)
{
@@ -269,7 +265,7 @@ static int mei_wd_ops_stop(struct watchdog_device *wd_dev)
*
* @wd_dev - watchdog device struct
*
- * returns 0 if success, negative errno code for failure
+ * Return: 0 if success, negative errno code for failure
*/
static int mei_wd_ops_ping(struct watchdog_device *wd_dev)
{
@@ -283,7 +279,7 @@ static int mei_wd_ops_ping(struct watchdog_device *wd_dev)
mutex_lock(&dev->device_lock);
if (dev->wd_cl.state != MEI_FILE_CONNECTED) {
- dev_err(&dev->pdev->dev, "wd: not connected.\n");
+ dev_err(dev->dev, "wd: not connected.\n");
ret = -ENODEV;
goto end;
}
@@ -296,7 +292,7 @@ static int mei_wd_ops_ping(struct watchdog_device *wd_dev)
/* Check if we can send the ping to HW*/
if (ret && mei_hbuf_acquire(dev)) {
- dev_dbg(&dev->pdev->dev, "wd: sending ping\n");
+ dev_dbg(dev->dev, "wd: sending ping\n");
ret = mei_wd_send(dev);
if (ret)
@@ -317,7 +313,7 @@ end:
* @wd_dev - watchdog device struct
* @timeout - timeout value to set
*
- * returns 0 if success, negative errno code for failure
+ * Return: 0 if success, negative errno code for failure
*/
static int mei_wd_ops_set_timeout(struct watchdog_device *wd_dev,
unsigned int timeout)
@@ -379,13 +375,12 @@ int mei_watchdog_register(struct mei_device *dev)
ret = watchdog_register_device(&amt_wd_dev);
mutex_lock(&dev->device_lock);
if (ret) {
- dev_err(&dev->pdev->dev, "wd: unable to register watchdog device = %d.\n",
+ dev_err(dev->dev, "wd: unable to register watchdog device = %d.\n",
ret);
return ret;
}
- dev_dbg(&dev->pdev->dev,
- "wd: successfully register watchdog interface.\n");
+ dev_dbg(dev->dev, "wd: successfully register watchdog interface.\n");
watchdog_set_drvdata(&amt_wd_dev, dev);
return 0;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-08 15:50:38 +0300