media: allegro: rename stream_id to dst_handle

The dst_handle field in the PUT_STREAM_BUFFER and ENCODE_FRAME_RESPONSE
is used to retrieve the V4L2 CAPTURE buffer. Calling it stream_id is
confusing. Call it dst_handle inspired by src_handle for the OUTPUT
buffer.
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/platform/allegro-dvt/allegro-core.c

@@ -1038,7 +1038,7 @@ static int allegro_mcu_send_put_stream_buffer(struct allegro_dev *dev,
 					      struct allegro_channel *channel,
 					      dma_addr_t paddr,
 					      unsigned long size,
-					      u64 stream_id)
+					      u64 dst_handle)
 {
 	struct mcu_msg_put_stream_buffer msg;
 
@@ -1053,7 +1053,7 @@ static int allegro_mcu_send_put_stream_buffer(struct allegro_dev *dev,
 	msg.size = size;
 	msg.offset = ENCODER_STREAM_OFFSET;
 	/* copied to mcu_msg_encode_frame_response */
-	msg.stream_id = stream_id;
+	msg.dst_handle = dst_handle;
 
 	allegro_mbox_send(dev->mbox_command, &msg);
 
@@ -1437,7 +1437,7 @@ static void allegro_channel_finish_frame(struct allegro_channel *channel,
 			  channel->mcu_channel_id);
 
 	dst_buf = allegro_get_buffer(channel, &channel->stream_shadow_list,
-				     msg->stream_id);
+				     msg->dst_handle);
 	if (!dst_buf)
 		v4l2_warn(&dev->v4l2_dev,
 			  "channel %d: invalid stream buffer\n",

drivers/media/platform/allegro-dvt/allegro-mail.c

@@ -302,8 +302,8 @@ allegro_enc_put_stream_buffer(u32 *dst,
 	dst[i++] = msg->mcu_addr;
 	dst[i++] = msg->size;
 	dst[i++] = msg->offset;
-	dst[i++] = lower_32_bits(msg->stream_id);
-	dst[i++] = upper_32_bits(msg->stream_id);
+	dst[i++] = lower_32_bits(msg->dst_handle);
+	dst[i++] = upper_32_bits(msg->dst_handle);
 
 	return i * sizeof(*dst);
 }
@@ -406,8 +406,8 @@ allegro_dec_encode_frame(struct mcu_msg_encode_frame_response *msg, u32 *src)
 
 	msg->channel_id = src[i++];
 
-	msg->stream_id = src[i++];
-	msg->stream_id |= (((u64)src[i++]) << 32);
+	msg->dst_handle = src[i++];
+	msg->dst_handle |= (((u64)src[i++]) << 32);
 	msg->user_param = src[i++];
 	msg->user_param |= (((u64)src[i++]) << 32);
 	msg->src_handle = src[i++];

drivers/media/platform/allegro-dvt/allegro-mail.h

@@ -191,7 +191,7 @@ struct mcu_msg_put_stream_buffer {
 	u32 mcu_addr;
 	u32 size;
 	u32 offset;
-	u64 stream_id;
+	u64 dst_handle;
 };
 
 struct mcu_msg_encode_frame {
@@ -233,7 +233,7 @@ struct mcu_msg_encode_frame {
 struct mcu_msg_encode_frame_response {
 	struct mcu_msg_header header;
 	u32 channel_id;
-	u64 stream_id;		/* see mcu_msg_put_stream_buffer */
+	u64 dst_handle;		/* see mcu_msg_put_stream_buffer */
 	u64 user_param;		/* see mcu_msg_encode_frame */
 	u64 src_handle;		/* see mcu_msg_encode_frame */
 	u16 skip;