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Merge pull request #2876 from Ingenic-community/X1000

X1000: drv_mmc.c: 修复DMA中的问题/Fix bug in DMA.
Bernard Xiong 6 years ago
parent
commit
367c5abeeb
1 changed files with 6 additions and 9 deletions
  1. 6 9
      bsp/x1000/drivers/mmc/drv_mmc.c

+ 6 - 9
bsp/x1000/drivers/mmc/drv_mmc.c

@@ -1,17 +1,14 @@
 /*
- * File      : drv_mmc.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2013 - 2015, RT-Thread Development Team
+ * Copyright (c) 2006-2019, RT-Thread Development Team
  *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rt-thread.org/license/LICENSE
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author       Notes
  * 2013-03-09     aozima       the first version
- * 2013-03-29     aozima       support Jz4770.
- * 2013-04-01     aozima       add interrupt support for Jz4770.
+ * 2013-03-29     aozima       support JZ4770.
+ * 2013-04-01     aozima       add interrupt support for JZ4770.
+ * 2019-04-04     Jean-Luc     fix bug in jzmmc_submit_dma.
  */
 
 #include <rthw.h>
@@ -275,7 +272,7 @@ rt_inline void jzmmc_submit_dma(struct jzmmc_host *host, struct rt_mmcsd_data *d
     host->dma_desc.nda  = 0;
     host->dma_desc.len  = data->blks * data->blksize;
     host->dma_desc.da   = virt_to_phys(data->buf);
-    host->dma_desc.dcmd = DMACMD_ENDI | DMACMD_LINK; /* only one DMA descriptor */
+    host->dma_desc.dcmd = DMACMD_ENDI; /* only one DMA descriptor */
 
 #ifdef DMA_BUFFER
     if ((uint32_t)(data->buf) & (DMA_ALIGN - 1))