@@ -2270,10 +2270,7 @@ vchiq_videocore_wanted(struct vchiq_state *state)
return 1;
else if (!arm_state->videocore_use_count)
/* usage count zero - check for override unless we're forcing */
- if (arm_state->resume_blocked)
- return 0;
- else
- return vchiq_platform_videocore_wanted(state);
+ return vchiq_platform_videocore_wanted(state);
else
/* non-zero usage count - videocore still required */
return 1;
@@ -2567,7 +2564,6 @@ static inline void
unblock_resume(struct vchiq_arm_state *arm_state)
{
complete_all(&arm_state->resume_blocker);
- arm_state->resume_blocked = 0;
}
/* Initiate suspend via slot handler. Should be called with the write lock
@@ -2724,46 +2720,6 @@ vchiq_use_internal(struct vchiq_state *state, struct vchiq_service *service,
}
write_lock_bh(&arm_state->susp_res_lock);
- while (arm_state->resume_blocked) {
- /* If we call 'use' while force suspend is waiting for suspend,
- * then we're about to block the thread which the force is
- * waiting to complete, so we're bound to just time out. In this
- * case, set the suspend state such that the wait will be
- * canceled, so we can complete as quickly as possible. */
- if (arm_state->resume_blocked && arm_state->vc_suspend_state ==
- VC_SUSPEND_IDLE) {
- set_suspend_state(arm_state, VC_SUSPEND_FORCE_CANCELED);
- break;
- }
- /* If suspend is already in progress then we need to block */
- if (!try_wait_for_completion(&arm_state->resume_blocker)) {
- /* Indicate that there are threads waiting on the resume
- * blocker. These need to be allowed to complete before
- * a _second_ call to force suspend can complete,
- * otherwise low priority threads might never actually
- * continue */
- arm_state->blocked_count++;
- write_unlock_bh(&arm_state->susp_res_lock);
- vchiq_log_info(vchiq_susp_log_level, "%s %s resume "
- "blocked - waiting...", __func__, entity);
- if (wait_for_completion_killable(
- &arm_state->resume_blocker)) {
- vchiq_log_error(vchiq_susp_log_level, "%s %s "
- "wait for resume blocker interrupted",
- __func__, entity);
- ret = VCHIQ_ERROR;
- write_lock_bh(&arm_state->susp_res_lock);
- arm_state->blocked_count--;
- write_unlock_bh(&arm_state->susp_res_lock);
- goto out;
- }
- vchiq_log_info(vchiq_susp_log_level, "%s %s resume "
- "unblocked", __func__, entity);
- write_lock_bh(&arm_state->susp_res_lock);
- if (--arm_state->blocked_count == 0)
- complete_all(&arm_state->blocked_blocker);
- }
- }
stop_suspend_timer(arm_state);
@@ -2861,10 +2817,7 @@ vchiq_release_internal(struct vchiq_state *state, struct vchiq_service *service)
--(*entity_uc);
if (!vchiq_videocore_wanted(state)) {
- if (vchiq_platform_use_suspend_timer() &&
- !arm_state->resume_blocked) {
- /* Only use the timer if we're not trying to force
- * suspend (=> resume_blocked) */
+ if (vchiq_platform_use_suspend_timer()) {
start_suspend_timer(arm_state);
} else {
vchiq_log_info(vchiq_susp_log_level,
@@ -74,7 +74,6 @@ struct vchiq_arm_state {
** ARM is suspending
*/
struct completion resume_blocker;
- int resume_blocked;
struct completion blocked_blocker;
int blocked_count;
The boolean value is never set to true, hence remove it and all the code that depends on it. Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> --- .../interface/vchiq_arm/vchiq_arm.c | 51 +------------------ .../interface/vchiq_arm/vchiq_arm.h | 1 - 2 files changed, 2 insertions(+), 50 deletions(-)