mei: move mei_cl_irq_write_complete to client.c
mei_cl_irq_write_complete operates on a client so move it
to client.c
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c
index c2534ca..788f647 100644
--- a/drivers/misc/mei/client.c
+++ b/drivers/misc/mei/client.c
@@ -682,6 +682,66 @@
}
/**
+ * mei_cl_irq_write_complete - write a message to device
+ * from the interrupt thread context
+ *
+ * @cl: client
+ * @cb: callback block.
+ * @slots: free slots.
+ * @cmpl_list: complete list.
+ *
+ * returns 0, OK; otherwise error.
+ */
+int mei_cl_irq_write_complete(struct mei_cl *cl, struct mei_cl_cb *cb,
+ s32 *slots, struct mei_cl_cb *cmpl_list)
+{
+ struct mei_device *dev = cl->dev;
+ struct mei_msg_hdr mei_hdr;
+ size_t len = cb->request_buffer.size - cb->buf_idx;
+ u32 msg_slots = mei_data2slots(len);
+
+ mei_hdr.host_addr = cl->host_client_id;
+ mei_hdr.me_addr = cl->me_client_id;
+ mei_hdr.reserved = 0;
+
+ if (*slots >= msg_slots) {
+ mei_hdr.length = len;
+ mei_hdr.msg_complete = 1;
+ /* Split the message only if we can write the whole host buffer */
+ } else if (*slots == dev->hbuf_depth) {
+ msg_slots = *slots;
+ len = (*slots * sizeof(u32)) - sizeof(struct mei_msg_hdr);
+ mei_hdr.length = len;
+ mei_hdr.msg_complete = 0;
+ } else {
+ /* wait for next time the host buffer is empty */
+ return 0;
+ }
+
+ dev_dbg(&dev->pdev->dev, "buf: size = %d idx = %lu\n",
+ cb->request_buffer.size, cb->buf_idx);
+ dev_dbg(&dev->pdev->dev, MEI_HDR_FMT, MEI_HDR_PRM(&mei_hdr));
+
+ *slots -= msg_slots;
+ if (mei_write_message(dev, &mei_hdr,
+ cb->request_buffer.data + cb->buf_idx)) {
+ cl->status = -ENODEV;
+ list_move_tail(&cb->list, &cmpl_list->list);
+ return -ENODEV;
+ }
+
+ cl->status = 0;
+ cb->buf_idx += mei_hdr.length;
+ if (mei_hdr.msg_complete) {
+ if (mei_cl_flow_ctrl_reduce(cl))
+ return -ENODEV;
+ list_move_tail(&cb->list, &dev->write_waiting_list.list);
+ }
+
+ return 0;
+}
+
+/**
* mei_cl_write - submit a write cb to mei device
assumes device_lock is locked
*