[PATCH 1/8] remoteproc: Remove depricated crash completion

From: Bjorn Andersson
Date: Wed Dec 13 2017 - 17:43:01 EST


The crash handling now happens in a single execution context, so there's
no longer a need for a completion to synchronize this.

Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
---
drivers/remoteproc/remoteproc_core.c | 10 ----------
include/linux/remoteproc.h | 2 --
2 files changed, 12 deletions(-)

diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index b2f8afee2b67..15e2c4530a0a 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -1028,10 +1028,6 @@ static int rproc_stop(struct rproc *rproc, bool graceful)
return ret;
}

- /* if in crash state, unlock crash handler */
- if (rproc->state == RPROC_CRASHED)
- complete_all(&rproc->crash_comp);
-
rproc->state = RPROC_OFFLINE;

dev_info(dev, "stopped remote processor %s\n", rproc->name);
@@ -1057,8 +1053,6 @@ int rproc_trigger_recovery(struct rproc *rproc)

dev_err(dev, "recovering %s\n", rproc->name);

- init_completion(&rproc->crash_comp);
-
ret = mutex_lock_interruptible(&rproc->lock);
if (ret)
return ret;
@@ -1067,9 +1061,6 @@ int rproc_trigger_recovery(struct rproc *rproc)
if (ret)
goto unlock_mutex;

- /* wait until there is no more rproc users */
- wait_for_completion(&rproc->crash_comp);
-
/* load firmware */
ret = request_firmware(&firmware_p, rproc->firmware, dev);
if (ret < 0) {
@@ -1459,7 +1450,6 @@ struct rproc *rproc_alloc(struct device *dev, const char *name,
INIT_LIST_HEAD(&rproc->subdevs);

INIT_WORK(&rproc->crash_handler, rproc_crash_handler_work);
- init_completion(&rproc->crash_comp);

rproc->state = RPROC_OFFLINE;

diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h
index 20a9467744ea..2d1058111e57 100644
--- a/include/linux/remoteproc.h
+++ b/include/linux/remoteproc.h
@@ -406,7 +406,6 @@ enum rproc_crash_type {
* @index: index of this rproc device
* @crash_handler: workqueue for handling a crash
* @crash_cnt: crash counter
- * @crash_comp: completion used to sync crash handler and the rproc reload
* @recovery_disabled: flag that state if recovery was disabled
* @max_notifyid: largest allocated notify id.
* @table_ptr: pointer to the resource table in effect
@@ -437,7 +436,6 @@ struct rproc {
int index;
struct work_struct crash_handler;
unsigned int crash_cnt;
- struct completion crash_comp;
bool recovery_disabled;
int max_notifyid;
struct resource_table *table_ptr;
--
2.15.0