staging: vc04_services: Drop 'connection' field from SERVICE_CREATION_T

The connection field of SERVICE_CREATION_T is assigned to but its value
is never read. Drop the field and the resulting no longer needed code
from bcm2835-audio and bcm2835-camera.
Signed-off-by: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>
Acked-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c

@@ -125,13 +125,11 @@ static void audio_vchi_callback(void *param,
 
 static int
 vc_vchi_audio_init(VCHI_INSTANCE_T vchi_instance,
-		   VCHI_CONNECTION_T *vchi_connection,
 		   struct bcm2835_audio_instance *instance)
 {
 	SERVICE_CREATION_T params = {
 		.version		= VCHI_VERSION_EX(VC_AUDIOSERV_VER, VC_AUDIOSERV_MIN_VER),
 		.service_id		= VC_AUDIO_SERVER_NAME,
-		.connection		= vchi_connection,
 		.rx_fifo_size		= 0,
 		.tx_fifo_size		= 0,
 		.callback		= audio_vchi_callback,
@@ -228,7 +226,6 @@ int bcm2835_audio_open(struct bcm2835_alsa_stream *alsa_stream)
 	alsa_stream->instance = instance;
 
 	err = vc_vchi_audio_init(vchi_ctx->vchi_instance,
-				 vchi_ctx->vchi_connection,
 				 instance);
 	if (err < 0)
 		goto free_instance;

drivers/staging/vc04_services/bcm2835-audio/bcm2835.h

@@ -45,7 +45,6 @@ enum snd_bcm2835_ctrl {
 
 struct bcm2835_vchi_ctx {
 	VCHI_INSTANCE_T vchi_instance;
-	VCHI_CONNECTION_T *vchi_connection;
 };
 
 /* definition of the chip-specific record */

drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c

@@ -1802,12 +1802,10 @@ int vchiq_mmal_init(struct vchiq_mmal_instance **out_instance)
 {
 	int status;
 	struct vchiq_mmal_instance *instance;
-	static VCHI_CONNECTION_T *vchi_connection;
 	static VCHI_INSTANCE_T vchi_instance;
 	SERVICE_CREATION_T params = {
 		.version		= VCHI_VERSION_EX(VC_MMAL_VER, VC_MMAL_MIN_VER),
 		.service_id		= VC_MMAL_SERVER_NAME,
-		.connection		= vchi_connection,
 		.rx_fifo_size		= 0,
 		.tx_fifo_size		= 0,
 		.callback		= service_callback,

drivers/staging/vc04_services/interface/vchi/vchi.h

@@ -77,7 +77,6 @@ typedef struct {
 typedef struct {
 	struct vchi_version version;
 	int32_t service_id;
-	VCHI_CONNECTION_T *connection;
 	uint32_t rx_fifo_size;
 	uint32_t tx_fifo_size;
 	VCHI_CALLBACK_T callback;