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Diffstat (limited to 'drivers/misc/mei/interface.c')
-rw-r--r--drivers/misc/mei/interface.c91
1 files changed, 36 insertions, 55 deletions
diff --git a/drivers/misc/mei/interface.c b/drivers/misc/mei/interface.c
index 509c3957ff4..8de85478596 100644
--- a/drivers/misc/mei/interface.c
+++ b/drivers/misc/mei/interface.c
@@ -292,28 +292,23 @@ int mei_flow_ctrl_reduce(struct mei_device *dev, struct mei_cl *cl)
int mei_send_flow_control(struct mei_device *dev, struct mei_cl *cl)
{
struct mei_msg_hdr *mei_hdr;
- struct hbm_flow_control *mei_flow_control;
-
- mei_hdr = (struct mei_msg_hdr *) &dev->wr_msg_buf[0];
- mei_hdr->host_addr = 0;
- mei_hdr->me_addr = 0;
- mei_hdr->length = sizeof(struct hbm_flow_control);
- mei_hdr->msg_complete = 1;
- mei_hdr->reserved = 0;
-
- mei_flow_control = (struct hbm_flow_control *) &dev->wr_msg_buf[1];
- memset(mei_flow_control, 0, sizeof(*mei_flow_control));
- mei_flow_control->host_addr = cl->host_client_id;
- mei_flow_control->me_addr = cl->me_client_id;
- mei_flow_control->hbm_cmd = MEI_FLOW_CONTROL_CMD;
- memset(mei_flow_control->reserved, 0,
- sizeof(mei_flow_control->reserved));
+ struct hbm_flow_control *flow_ctrl;
+ const size_t len = sizeof(struct hbm_flow_control);
+
+ mei_hdr = mei_hbm_hdr(&dev->wr_msg_buf[0], len);
+
+ flow_ctrl = (struct hbm_flow_control *)&dev->wr_msg_buf[1];
+ memset(flow_ctrl, 0, len);
+ flow_ctrl->hbm_cmd = MEI_FLOW_CONTROL_CMD;
+ flow_ctrl->host_addr = cl->host_client_id;
+ flow_ctrl->me_addr = cl->me_client_id;
+ /* FIXME: reserved !? */
+ memset(flow_ctrl->reserved, 0, sizeof(flow_ctrl->reserved));
dev_dbg(&dev->pdev->dev, "sending flow control host client = %d, ME client = %d\n",
cl->host_client_id, cl->me_client_id);
return mei_write_message(dev, mei_hdr,
- (unsigned char *) mei_flow_control,
- sizeof(struct hbm_flow_control));
+ (unsigned char *) flow_ctrl, len);
}
/**
@@ -352,26 +347,19 @@ int mei_other_client_is_connecting(struct mei_device *dev,
int mei_disconnect(struct mei_device *dev, struct mei_cl *cl)
{
struct mei_msg_hdr *mei_hdr;
- struct hbm_client_disconnect_request *mei_cli_disconnect;
-
- mei_hdr = (struct mei_msg_hdr *) &dev->wr_msg_buf[0];
- mei_hdr->host_addr = 0;
- mei_hdr->me_addr = 0;
- mei_hdr->length = sizeof(struct hbm_client_disconnect_request);
- mei_hdr->msg_complete = 1;
- mei_hdr->reserved = 0;
-
- mei_cli_disconnect =
- (struct hbm_client_disconnect_request *) &dev->wr_msg_buf[1];
- memset(mei_cli_disconnect, 0, sizeof(*mei_cli_disconnect));
- mei_cli_disconnect->host_addr = cl->host_client_id;
- mei_cli_disconnect->me_addr = cl->me_client_id;
- mei_cli_disconnect->hbm_cmd = CLIENT_DISCONNECT_REQ_CMD;
- mei_cli_disconnect->reserved[0] = 0;
+ struct hbm_client_connect_request *req;
+ const size_t len = sizeof(struct hbm_client_connect_request);
- return mei_write_message(dev, mei_hdr,
- (unsigned char *) mei_cli_disconnect,
- sizeof(struct hbm_client_disconnect_request));
+ mei_hdr = mei_hbm_hdr(&dev->wr_msg_buf[0], len);
+
+ req = (struct hbm_client_connect_request *)&dev->wr_msg_buf[1];
+ memset(req, 0, len);
+ req->hbm_cmd = CLIENT_DISCONNECT_REQ_CMD;
+ req->host_addr = cl->host_client_id;
+ req->me_addr = cl->me_client_id;
+ req->reserved = 0;
+
+ return mei_write_message(dev, mei_hdr, (unsigned char *)req, len);
}
/**
@@ -385,23 +373,16 @@ int mei_disconnect(struct mei_device *dev, struct mei_cl *cl)
int mei_connect(struct mei_device *dev, struct mei_cl *cl)
{
struct mei_msg_hdr *mei_hdr;
- struct hbm_client_connect_request *mei_cli_connect;
-
- mei_hdr = (struct mei_msg_hdr *) &dev->wr_msg_buf[0];
- mei_hdr->host_addr = 0;
- mei_hdr->me_addr = 0;
- mei_hdr->length = sizeof(struct hbm_client_connect_request);
- mei_hdr->msg_complete = 1;
- mei_hdr->reserved = 0;
-
- mei_cli_connect =
- (struct hbm_client_connect_request *) &dev->wr_msg_buf[1];
- mei_cli_connect->host_addr = cl->host_client_id;
- mei_cli_connect->me_addr = cl->me_client_id;
- mei_cli_connect->hbm_cmd = CLIENT_CONNECT_REQ_CMD;
- mei_cli_connect->reserved = 0;
+ struct hbm_client_connect_request *req;
+ const size_t len = sizeof(struct hbm_client_connect_request);
- return mei_write_message(dev, mei_hdr,
- (unsigned char *) mei_cli_connect,
- sizeof(struct hbm_client_connect_request));
+ mei_hdr = mei_hbm_hdr(&dev->wr_msg_buf[0], len);
+
+ req = (struct hbm_client_connect_request *) &dev->wr_msg_buf[1];
+ req->hbm_cmd = CLIENT_CONNECT_REQ_CMD;
+ req->host_addr = cl->host_client_id;
+ req->me_addr = cl->me_client_id;
+ req->reserved = 0;
+
+ return mei_write_message(dev, mei_hdr, (unsigned char *) req, len);
}