summaryrefslogtreecommitdiff
path: root/drivers/misc/mei/wd.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2015-04-21 09:42:58 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-04-21 09:42:58 -0700
commit1fc149933fd49a5b0e7738dc0853dbfbac4ae0e1 (patch)
treedfe99751c21aaf39e49765379d0b9b32114c757d /drivers/misc/mei/wd.c
parent41d5e08ea86af3359239d5a6f7021cdc61beaa49 (diff)
parentea5505fabd3b59608750bfd3721d0f8bc5c8b0bb (diff)
Merge tag 'char-misc-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH: "Here's the big char/misc driver patchset for 4.1-rc1. Lots of different driver subsystem updates here, nothing major, full details are in the shortlog. All of this has been in linux-next for a while" * tag 'char-misc-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (133 commits) mei: trace: remove unused TRACE_SYSTEM_STRING DTS: ARM: OMAP3-N900: Add lis3lv02d support Documentation: DT: lis302: update wakeup binding lis3lv02d: DT: add wakeup unit 2 and wakeup threshold lis3lv02d: DT: use s32 to support negative values Drivers: hv: hv_balloon: correctly handle num_pages>INT_MAX case Drivers: hv: hv_balloon: correctly handle val.freeram<num_pages case mei: replace check for connection instead of transitioning mei: use mei_cl_is_connected consistently mei: fix mei_poll operation hv_vmbus: Add gradually increased delay for retries in vmbus_post_msg() Drivers: hv: hv_balloon: survive ballooning request with num_pages=0 Drivers: hv: hv_balloon: eliminate jumps in piecewiese linear floor function Drivers: hv: hv_balloon: do not online pages in offline blocks hv: remove the per-channel workqueue hv: don't schedule new works in vmbus_onoffer()/vmbus_onoffer_rescind() hv: run non-blocking message handlers in the dispatch tasklet coresight: moving to new "hwtracing" directory coresight-tmc: Adding a status interface to sysfs coresight: remove the unnecessary configuration coresight-default-sink ...
Diffstat (limited to 'drivers/misc/mei/wd.c')
-rw-r--r--drivers/misc/mei/wd.c36
1 files changed, 20 insertions, 16 deletions
diff --git a/drivers/misc/mei/wd.c b/drivers/misc/mei/wd.c
index 475f1dea45bf..2725f865c3d6 100644
--- a/drivers/misc/mei/wd.c
+++ b/drivers/misc/mei/wd.c
@@ -160,9 +160,10 @@ int mei_wd_send(struct mei_device *dev)
*/
int mei_wd_stop(struct mei_device *dev)
{
+ struct mei_cl *cl = &dev->wd_cl;
int ret;
- if (dev->wd_cl.state != MEI_FILE_CONNECTED ||
+ if (!mei_cl_is_connected(cl) ||
dev->wd_state != MEI_WD_RUNNING)
return 0;
@@ -170,7 +171,7 @@ int mei_wd_stop(struct mei_device *dev)
dev->wd_state = MEI_WD_STOPPING;
- ret = mei_cl_flow_ctrl_creds(&dev->wd_cl);
+ ret = mei_cl_flow_ctrl_creds(cl);
if (ret < 0)
goto err;
@@ -202,22 +203,25 @@ err:
return ret;
}
-/*
+/**
* mei_wd_ops_start - wd start command from the watchdog core.
*
- * @wd_dev - watchdog device struct
+ * @wd_dev: watchdog device struct
*
* Return: 0 if success, negative errno code for failure
*/
static int mei_wd_ops_start(struct watchdog_device *wd_dev)
{
- int err = -ENODEV;
struct mei_device *dev;
+ struct mei_cl *cl;
+ int err = -ENODEV;
dev = watchdog_get_drvdata(wd_dev);
if (!dev)
return -ENODEV;
+ cl = &dev->wd_cl;
+
mutex_lock(&dev->device_lock);
if (dev->dev_state != MEI_DEV_ENABLED) {
@@ -226,8 +230,8 @@ static int mei_wd_ops_start(struct watchdog_device *wd_dev)
goto end_unlock;
}
- if (dev->wd_cl.state != MEI_FILE_CONNECTED) {
- dev_dbg(dev->dev, "MEI Driver is not connected to Watchdog Client\n");
+ if (!mei_cl_is_connected(cl)) {
+ cl_dbg(dev, cl, "MEI Driver is not connected to Watchdog Client\n");
goto end_unlock;
}
@@ -239,10 +243,10 @@ end_unlock:
return err;
}
-/*
+/**
* mei_wd_ops_stop - wd stop command from the watchdog core.
*
- * @wd_dev - watchdog device struct
+ * @wd_dev: watchdog device struct
*
* Return: 0 if success, negative errno code for failure
*/
@@ -261,10 +265,10 @@ static int mei_wd_ops_stop(struct watchdog_device *wd_dev)
return 0;
}
-/*
+/**
* mei_wd_ops_ping - wd ping command from the watchdog core.
*
- * @wd_dev - watchdog device struct
+ * @wd_dev: watchdog device struct
*
* Return: 0 if success, negative errno code for failure
*/
@@ -282,8 +286,8 @@ static int mei_wd_ops_ping(struct watchdog_device *wd_dev)
mutex_lock(&dev->device_lock);
- if (cl->state != MEI_FILE_CONNECTED) {
- dev_err(dev->dev, "wd: not connected.\n");
+ if (!mei_cl_is_connected(cl)) {
+ cl_err(dev, cl, "wd: not connected.\n");
ret = -ENODEV;
goto end;
}
@@ -311,11 +315,11 @@ end:
return ret;
}
-/*
+/**
* mei_wd_ops_set_timeout - wd set timeout command from the watchdog core.
*
- * @wd_dev - watchdog device struct
- * @timeout - timeout value to set
+ * @wd_dev: watchdog device struct
+ * @timeout: timeout value to set
*
* Return: 0 if success, negative errno code for failure
*/