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Subject[PATCH 09/22] staging: vc04_services: Get rid of vchiq_platform_videocore_wanted()
Date
The function always returns true, which makes a whole bunch of code
useless.

Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
---
.../interface/vchiq_arm/vchiq_2835_arm.c | 5 ---
.../interface/vchiq_arm/vchiq_arm.c | 34 +++----------------
.../interface/vchiq_arm/vchiq_arm.h | 3 --
3 files changed, 5 insertions(+), 37 deletions(-)

diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c
index 65e26a90c1db..a7f72dba2e20 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c
@@ -257,11 +257,6 @@ int vchiq_dump_platform_state(void *dump_context)
return vchiq_dump(dump_context, buf, len + 1);
}

-int
-vchiq_platform_videocore_wanted(struct vchiq_state *state)
-{
- return 1; // autosuspend not supported - videocore always wanted
-}
void
vchiq_platform_handle_timeout(struct vchiq_state *state)
{
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
index 3c374686ce89..a90d6fbbb54b 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
@@ -2253,22 +2253,6 @@ vchiq_fops = {
* Autosuspend related functionality
*/

-int
-vchiq_videocore_wanted(struct vchiq_state *state)
-{
- struct vchiq_arm_state *arm_state = vchiq_platform_get_arm_state(state);
-
- if (!arm_state)
- /* autosuspend not supported - always return wanted */
- return 1;
- else if (!arm_state->videocore_use_count)
- /* usage count zero - check for override unless we're forcing */
- return vchiq_platform_videocore_wanted(state);
- else
- /* non-zero usage count - videocore still required */
- return 1;
-}
-
static enum vchiq_status
vchiq_keepalive_vchiq_callback(enum vchiq_reason reason,
struct vchiq_header *header,
@@ -2513,8 +2497,7 @@ need_resume(struct vchiq_state *state)
struct vchiq_arm_state *arm_state = vchiq_platform_get_arm_state(state);

return (arm_state->vc_suspend_state > VC_SUSPEND_IDLE) &&
- (arm_state->vc_resume_state < VC_RESUME_REQUESTED) &&
- vchiq_videocore_wanted(state);
+ (arm_state->vc_resume_state < VC_RESUME_REQUESTED);
}

/* Initiate suspend via slot handler. Should be called with the write lock
@@ -2736,17 +2719,10 @@ vchiq_release_internal(struct vchiq_state *state, struct vchiq_service *service)
--arm_state->videocore_use_count;
--(*entity_uc);

- if (!vchiq_videocore_wanted(state)) {
- vchiq_log_info(vchiq_susp_log_level,
- "%s %s count %d, state count %d - suspending",
- __func__, entity, *entity_uc,
- arm_state->videocore_use_count);
- vchiq_arm_vcsuspend(state);
- } else
- vchiq_log_trace(vchiq_susp_log_level,
- "%s %s count %d, state count %d",
- __func__, entity, *entity_uc,
- arm_state->videocore_use_count);
+ vchiq_log_trace(vchiq_susp_log_level,
+ "%s %s count %d, state count %d",
+ __func__, entity, *entity_uc,
+ arm_state->videocore_use_count);

unlock:
write_unlock_bh(&arm_state->susp_res_lock);
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h
index 1f1ec679584b..beac1469d54d 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h
@@ -112,9 +112,6 @@ vchiq_release_service(unsigned int handle);
extern enum vchiq_status
vchiq_check_service(struct vchiq_service *service);

-extern int
-vchiq_platform_videocore_wanted(struct vchiq_state *state);
-
extern void
vchiq_dump_platform_use_state(struct vchiq_state *state);

--
2.25.0
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