[RFC 21/50] staging: vchi: Get rid of flags argument in vchi_msg_hold()

[Nicolas Saenz Julienne <nsaenzjulienne@xxxxxxx>]

All users are ignoring the flags argument. So for the sake of
simplicity delete it.

Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@xxxxxxx>
---
 .../vc04_services/bcm2835-audio/bcm2835-vchiq.c      |  3 +--
 drivers/staging/vc04_services/interface/vchi/vchi.h  |  1 -
 .../vc04_services/interface/vchiq_arm/vchiq_shim.c   | 12 +++---------
 .../staging/vc04_services/vc-sm-cma/vc_sm_cma_vchi.c |  2 +-
 .../staging/vc04_services/vchiq-mmal/mmal-vchiq.c    |  2 +-
 5 files changed, 6 insertions(+), 14 deletions(-)

diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c
index 5018b5baa009..68119246f10b 100644
--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c
+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c
@@ -102,8 +102,7 @@ static void audio_vchi_callback(void *param,
 	if (reason != VCHI_CALLBACK_MSG_AVAILABLE)
 		return;
 
-	status = vchi_msg_hold(instance->service, (void **)&m, &size,
-			       VCHI_FLAGS_NONE, &handle);
+	status = vchi_msg_hold(instance->service, (void **)&m, &size, &handle);
 	if (status)
 		return;
 
diff --git a/drivers/staging/vc04_services/interface/vchi/vchi.h b/drivers/staging/vc04_services/interface/vchi/vchi.h
index 55e51e5a1fdc..92ce811fc28d 100644
--- a/drivers/staging/vc04_services/interface/vchi/vchi.h
+++ b/drivers/staging/vc04_services/interface/vchi/vchi.h
@@ -87,7 +87,6 @@ extern int vchi_queue_kernel_message(struct vchi_service *service, void *data,
 extern int32_t vchi_msg_hold(struct vchi_service *service,
 			     void **data,        // } may be NULL, as info can be
 			     uint32_t *msg_size, // } obtained from HELD_MSG_T
-			     enum vchi_flags flags,
 			     struct vchi_held_msg *message_descriptor);
 
 /*******************************************************************************
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c
index 0c3473861a8d..0466512cfe3c 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c
@@ -195,7 +195,6 @@ EXPORT_SYMBOL(vchi_held_msg_release);
  * Arguments:  struct vchi_service *service,
  *             void **data,
  *             uint32_t *msg_size,
- *             enum vchi_flags flags,
  *             struct vchi_held_msg *message_handle
  *
  * Description: Routine to return a pointer to the current message (to allow
@@ -207,17 +206,12 @@ EXPORT_SYMBOL(vchi_held_msg_release);
  *
  ***********************************************************/
 int32_t vchi_msg_hold(struct vchi_service *service, void **data,
-		      uint32_t *msg_size, enum vchi_flags flags,
-		      struct vchi_held_msg *message_handle)
+		      uint32_t *msg_size, struct vchi_held_msg *message_handle)
 {
 	struct vchiq_header *header;
 
-	WARN_ON((flags != VCHI_FLAGS_NONE) &&
-		(flags != VCHI_FLAGS_BLOCK_UNTIL_OP_COMPLETE));
-
-	if (flags == VCHI_FLAGS_NONE)
-		if (vchiu_queue_is_empty(&service->queue))
-			return -1;
+	if (vchiu_queue_is_empty(&service->queue))
+		return -1;
 
 	header = vchiu_queue_pop(&service->queue);
 
diff --git a/drivers/staging/vc04_services/vc-sm-cma/vc_sm_cma_vchi.c b/drivers/staging/vc04_services/vc-sm-cma/vc_sm_cma_vchi.c
index 72b09685db31..826cac7922d2 100644
--- a/drivers/staging/vc04_services/vc-sm-cma/vc_sm_cma_vchi.c
+++ b/drivers/staging/vc04_services/vc-sm-cma/vc_sm_cma_vchi.c
@@ -237,7 +237,7 @@ static int vc_sm_cma_vchi_videocore_io(void *arg)
 		} while (1);
 
 		while (!vchi_msg_hold(instance->service, (void **)&reply,
-				       &reply_len, VCHI_FLAGS_NONE, &msg)) {
+				      &reply_len, &msg)) {
 			if (reply->trans_id & 0x80000000) {
 				/* Async event or cmd from the VPU */
 				if (instance->vpu_event)
diff --git a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
index 5183aff453eb..9f905f529d91 100644
--- a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
@@ -693,7 +693,7 @@ static void service_callback(void *param,
 	switch (reason) {
 	case VCHI_CALLBACK_MSG_AVAILABLE:
 		status = vchi_msg_hold(instance->service, (void **)&msg,
-				       &msg_len, VCHI_FLAGS_NONE, &msg_handle);
+				       &msg_len, &msg_handle);
 		if (status) {
 			pr_err("Unable to dequeue a message (%d)\n", status);
 			break;
-- 
2.26.2

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