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authorLinus Torvalds <torvalds@linux-foundation.org>2018-04-02 16:50:39 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-04-02 16:50:39 -0700
commitce6eba3dba366b607c0a363c7cdbd4ee8fcc6434 (patch)
tree7e8bb291ce843457c52659dfa4a5d14444c91c35 /drivers/media
parenta5532439ebab93e47784effb96aafa7d7ba4b760 (diff)
parentb3fc5c9bb373661224906bf434c09ca0de032e82 (diff)
Merge branch 'sched-wait-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull wait_var_event updates from Ingo Molnar: "This introduces the new wait_var_event() API, which is a more flexible waiting primitive than wait_on_atomic_t(). All wait_on_atomic_t() users are migrated over to the new API and wait_on_atomic_t() is removed. The migration fixes one bug and should result in no functional changes for the other usecases" * 'sched-wait-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/wait: Improve __var_waitqueue() code generation sched/wait: Remove the wait_on_atomic_t() API sched/wait, arch/mips: Fix and convert wait_on_atomic_t() usage to the new wait_var_event() API sched/wait, fs/ocfs2: Convert wait_on_atomic_t() usage to the new wait_var_event() API sched/wait, fs/nfs: Convert wait_on_atomic_t() usage to the new wait_var_event() API sched/wait, fs/fscache: Convert wait_on_atomic_t() usage to the new wait_var_event() API sched/wait, fs/btrfs: Convert wait_on_atomic_t() usage to the new wait_var_event() API sched/wait, fs/afs: Convert wait_on_atomic_t() usage to the new wait_var_event() API sched/wait, drivers/media: Convert wait_on_atomic_t() usage to the new wait_var_event() API sched/wait, drivers/drm: Convert wait_on_atomic_t() usage to the new wait_var_event() API sched/wait: Introduce wait_var_event()
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/platform/qcom/venus/hfi.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/media/platform/qcom/venus/hfi.c b/drivers/media/platform/qcom/venus/hfi.c
index 1baf78d3c02d..bca894a00c07 100644
--- a/drivers/media/platform/qcom/venus/hfi.c
+++ b/drivers/media/platform/qcom/venus/hfi.c
@@ -106,8 +106,8 @@ int hfi_core_deinit(struct venus_core *core, bool blocking)
if (!empty) {
mutex_unlock(&core->lock);
- wait_on_atomic_t(&core->insts_count, atomic_t_wait,
- TASK_UNINTERRUPTIBLE);
+ wait_var_event(&core->insts_count,
+ !atomic_read(&core->insts_count));
mutex_lock(&core->lock);
}
@@ -229,8 +229,8 @@ void hfi_session_destroy(struct venus_inst *inst)
mutex_lock(&core->lock);
list_del_init(&inst->list);
- atomic_dec(&core->insts_count);
- wake_up_atomic_t(&core->insts_count);
+ if (atomic_dec_and_test(&core->insts_count))
+ wake_up_var(&core->insts_count);
mutex_unlock(&core->lock);
}
EXPORT_SYMBOL_GPL(hfi_session_destroy);