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Subject[PATCH 09/16] staging: vchiq_core: do not initialize semaphores twice
Date
vchiq_init_state() initialises a series of semaphores to then call
remote_event_create() on the same semaphores, which initializes them
again. We get rid of the second initialization.

Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
---
.../vc04_services/interface/vchiq_arm/vchiq_core.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
index dee5ea7bfe4f..8b23ea5322e8 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
@@ -418,12 +418,11 @@ vchiq_set_conn_state(VCHIQ_STATE_T *state, VCHIQ_CONNSTATE_T newstate)
}

static inline void
-remote_event_create(VCHIQ_STATE_T *state, REMOTE_EVENT_T *event)
+remote_event_create(REMOTE_EVENT_T *event)
{
event->armed = 0;
/* Don't clear the 'fired' flag because it may already have been set
** by the other side. */
- sema_init((struct semaphore *)((char *)state + event->event), 0);
}

static inline int
@@ -2237,18 +2236,18 @@ vchiq_init_state(VCHIQ_STATE_T *state, VCHIQ_SLOT_ZERO_T *slot_zero)
state->data_quota = state->slot_queue_available - 1;

local->trigger.event = offsetof(VCHIQ_STATE_T, trigger_event);
- remote_event_create(state, &local->trigger);
+ remote_event_create(&local->trigger);
local->tx_pos = 0;

local->recycle.event = offsetof(VCHIQ_STATE_T, recycle_event);
- remote_event_create(state, &local->recycle);
+ remote_event_create(&local->recycle);
local->slot_queue_recycle = state->slot_queue_available;

local->sync_trigger.event = offsetof(VCHIQ_STATE_T, sync_trigger_event);
- remote_event_create(state, &local->sync_trigger);
+ remote_event_create(&local->sync_trigger);

local->sync_release.event = offsetof(VCHIQ_STATE_T, sync_release_event);
- remote_event_create(state, &local->sync_release);
+ remote_event_create(&local->sync_release);

/* At start-of-day, the slot is empty and available */
((VCHIQ_HEADER_T *)SLOT_DATA_FROM_INDEX(state, local->slot_sync))->msgid
--
2.19.1
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