rpmsg_virtio: don't need check status when get_tx_payload

status has been checked before virtio device init, so when get_tx_payload
is called it must have ready

Signed-off-by: Guiding Li <liguiding1@xiaomi.com>

Author: GUIDINGLI

lib/rpmsg/rpmsg_virtio.c

@@ -359,19 +359,13 @@ static void *rpmsg_virtio_get_tx_payload_buffer(struct rpmsg_device *rdev,
 {
 	struct rpmsg_virtio_device *rvdev;
 	struct rpmsg_hdr *rp_hdr;
-	uint8_t virtio_status;
 	uint16_t idx;
 	int tick_count;
 	int status;
 
 	/* Get the associated remote device for channel. */
 	rvdev = metal_container_of(rdev, struct rpmsg_virtio_device, rdev);
 
-	/* Validate device state */
-	status = virtio_get_status(rvdev->vdev, &virtio_status);
-	if (status || !(virtio_status & VIRTIO_CONFIG_STATUS_DRIVER_OK))
-		return NULL;
-
 	if (wait)
 		tick_count = RPMSG_TICK_COUNT / RPMSG_TICKS_PER_INTERVAL;
 	else