linux-kernel - [PATCH 2/7] staging: vc04_services: Drop 'connection' field from SERVICE_CREATION

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Date:   Thu,  4 Oct 2018 12:37:42 +0300
From:   Tuomas Tynkkynen <tuomas.tynkkynen@....fi>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Stefan Wahren <stefan.wahren@...e.com>,
        linux-kernel@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org,
        devel@...verdev.osuosl.org,
        Tuomas Tynkkynen <tuomas.tynkkynen@....fi>
Subject: [PATCH 2/7] 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@....fi>
---
 drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c | 3 ---
 drivers/staging/vc04_services/bcm2835-audio/bcm2835.h       | 1 -
 drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c   | 2 --
 drivers/staging/vc04_services/interface/vchi/vchi.h         | 1 -
 4 files changed, 7 deletions(-)

diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c
index 0bdaea1fdd77..6ec15e44d7e2 100644
--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c
+++ b/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;
diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h
index e13435d1c205..34a0125ce646 100644
--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h
+++ b/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 */
diff --git a/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c b/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c
index 6e5c1d4ee122..e234b95b61c0 100644
--- a/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c
+++ b/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,
diff --git a/drivers/staging/vc04_services/interface/vchi/vchi.h b/drivers/staging/vc04_services/interface/vchi/vchi.h
index 392c78200e9d..1ea997c658f9 100644
--- a/drivers/staging/vc04_services/interface/vchi/vchi.h
+++ b/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;
-- 
2.18.0