wcn36xx: improve debug and error messages for SMD

{

	int ret = 0;

	unsigned long start;

	struct wcn36xx_hal_msg_header *hdr =

		(struct wcn36xx_hal_msg_header *)wcn->hal_buf;

	u16 req_type = hdr->msg_type;

	wcn36xx_dbg_dump(WCN36XX_DBG_SMD_DUMP, "HAL >>> ", wcn->hal_buf, len);

	init_completion(&wcn->hal_rsp_compl);

	start = jiffies;

	ret = rpmsg_send(wcn->smd_channel, wcn->hal_buf, len);

	if (ret) {

		wcn36xx_err("HAL TX failed\n");

		wcn36xx_err("HAL TX failed for req %d\n", req_type);

		goto out;

	}

	if (wait_for_completion_timeout(&wcn->hal_rsp_compl,

		msecs_to_jiffies(HAL_MSG_TIMEOUT)) <= 0) {

		wcn36xx_err("Timeout! No SMD response in %dms\n",

			    HAL_MSG_TIMEOUT);

		wcn36xx_err("Timeout! No SMD response to req %d in %dms\n",

			    req_type, HAL_MSG_TIMEOUT);

		ret = -ETIME;

		goto out;

	}

	wcn36xx_dbg(WCN36XX_DBG_SMD, "SMD command completed in %dms",

	wcn36xx_dbg(WCN36XX_DBG_SMD,

		    "SMD command (req %d, rsp %d) completed in %dms\n",

		    req_type, hdr->msg_type,

		    jiffies_to_msecs(jiffies - start));

out:

	return ret;