update sdmmc when dma err stop and flush dma

diff --git a/drivers/mmc/host/rk29_sdmmc.c b/drivers/mmc/host/rk29_sdmmc.c
index ed962d8c131796a514a1ad6df759dd2654892a78..545bb97bf020e66b8092a8aba81735d7932877ee 100755 (executable)
--- a/drivers/mmc/host/rk29_sdmmc.c
+++ b/drivers/mmc/host/rk29_sdmmc.c
@@ -418,9 +418,7 @@ static void rk29_sdmmc_dma_complete(void *arg, int size, enum rk29_dma_buffresul
        if(host->use_dma == 0)
                return;
        dev_vdbg(&host->pdev->dev, "DMA complete\n");
-       if(result != RK29_RES_OK)
-               printk("%s: sdio dma complete err\n",__FUNCTION__);     
-       
+                       
        spin_lock(&host->lock);
        rk29_sdmmc_dma_cleanup(host);
        /*
@@ -432,6 +430,12 @@ static void rk29_sdmmc_dma_complete(void *arg, int size, enum rk29_dma_buffresul
                tasklet_schedule(&host->tasklet);
        }
        spin_unlock(&host->lock);
+       if(result != RK29_RES_OK){
+               rk29_dma_ctrl(host->dma_chn,RK29_DMAOP_STOP);
+               rk29_dma_ctrl(host->dma_chn,RK29_DMAOP_FLUSH);
+               rk29_sdmmc_write(host->regs, SDMMC_CTRL, (rk29_sdmmc_read(host->regs, SDMMC_CTRL))&(~SDMMC_CTRL_DMA_ENABLE));
+               printk("%s: sdio dma complete err\n",__FUNCTION__);
+       }
 }
 
 static int rk29_sdmmc_submit_data_dma(struct rk29_sdmmc *host, struct mmc_data *data)