update sdmmc driver: add some debug info

diff --git a/drivers/mmc/host/rk29_sdmmc.c b/drivers/mmc/host/rk29_sdmmc.c
index 6a1b7c929d280d1bfad4d67bfcdfe97905085f00..d45b952f79ec9f4b6ba5338882298c9b7fffedb7 100755 (executable)
--- a/drivers/mmc/host/rk29_sdmmc.c
+++ b/drivers/mmc/host/rk29_sdmmc.c
@@ -651,6 +651,7 @@ static void rk29_sdmmc_queue_request(struct rk29_sdmmc *host,struct mmc_request
                host->state = STATE_SENDING_CMD;
                rk29_sdmmc_start_request(host);
        } else {
+               dev_info(&host->pdev->dev, "list add tail\n");
                list_add_tail(&host->queue_node, &host->queue);
        }
        spin_unlock(&host->lock);
@@ -782,6 +783,7 @@ static void rk29_sdmmc_request_end(struct rk29_sdmmc *host, struct mmc_request *
                rk29_sdmmc_reset_fifo(host);
        }
        if (!list_empty(&host->queue)) {
+               dev_info(&host->pdev->dev, "queque list is not empty\n");
                host = list_entry(host->queue.next,
                                struct rk29_sdmmc, queue_node);
                list_del(&host->queue_node);
@@ -1367,6 +1369,7 @@ static void rk29_sdmmc_detect_change(unsigned long data)
 
                                rk29_sdmmc_request_end(host, mrq);
                        } else {
+                               dev_info(&host->pdev->dev, "mrq != host->curr_mrq")
                                if (host->queue_node.next && host->queue_node.prev)
                                        list_del(&host->queue_node);
                                mrq->cmd->error = -ENOMEDIUM;