sensor: split scatter list initialization

split in/out virtqueue scatterlist to set sg_mark_end each

Change-Id: I562d51af7ab1d5e8b57b8971e7fe4d40d971a55b
Signed-off-by: Jinhyung Choi <jinhyung2.choi@samsung.com>

diff --git a/drivers/maru/sensors/maru_virtio_sensor.c b/drivers/maru/sensors/maru_virtio_sensor.c
index fd7283e..5d76a7a 100644 (file)
--- a/drivers/maru/sensors/maru_virtio_sensor.c
+++ b/drivers/maru/sensors/maru_virtio_sensor.c
@@ -168,7 +168,7 @@ static void sensor_vq_done(struct virtqueue *rvq) {
        mutex_lock(&vs->lock);
        LOG(1, "msg buf: %s, req: %d, type: %d, vs->flags: %d", msg->buf, msg->req, msg->type, vs->flags);
 
-       memset(sensor_data, 0, __MAX_BUF_SENSOR);
+       memset(sensor_data, 0, sizeof(sensor_data));
        strcpy(sensor_data, msg->buf);
        vs->flags = 1;
        mutex_unlock(&vs->lock);
@@ -422,7 +422,6 @@ static void cleanup(struct virtio_device* dev) {
 static int sensor_probe(struct virtio_device* dev)
 {
        int ret = 0;
-       int index = 0;
        char sensor_data[__MAX_BUF_SENSOR];
 
        INFO("Sensor probe starts");
@@ -459,17 +458,15 @@ static int sensor_probe(struct virtio_device* dev)
 
        virtqueue_enable_cb(vs->vq);
 
-       sg_init_table(vs->sg_vq, 2);
-       for (; index < 2; index++) {
-               sg_set_buf(&vs->sg_vq[index], &vs->msginfo, sizeof(vs->msginfo));
-       }
+       sg_init_one(&vs->sg_vq[0], &vs->msginfo, sizeof(vs->msginfo));
+       sg_init_one(&vs->sg_vq[1], &vs->msginfo, sizeof(vs->msginfo));
 
        sg_init_one(vs->sg_svq, &vs->msginfo, sizeof(vs->msginfo));
 
        mutex_init(&vs->lock);
        mutex_init(&vs->vqlock);
 
-       memset(sensor_data, 0, __MAX_BUF_SENSOR);
+       memset(sensor_data, 0, sizeof(sensor_data));
        mutex_lock(&vs->vqlock);
        ret = get_sensor_data(sensor_type_list, sensor_data);
        mutex_unlock(&vs->vqlock);