[U-Boot] [PATCH] mmc: mxsmmc: Fix operation with DMA

[Fabio Estevam]

Initialize the DMA controller so that the following errors are fixed:

U-Boot 2012.04-rc1-00001-g037cbfd (Apr 02 2012 - 10:57:48)

Freescale i.MX28 family at 454 MHz
DRAM:  128 MiB
MMC:   MXS MMC: 0
MMC0: DMA transfer failed
MMC0: DMA transfer failed
MMC0: DMA transfer failed
MMC0: DMA transfer failed
MMC init failed

Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>
---
 drivers/mmc/mxsmmc.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/mmc/mxsmmc.c b/drivers/mmc/mxsmmc.c
index e8bad9d..57f9953 100644
--- a/drivers/mmc/mxsmmc.c
+++ b/drivers/mmc/mxsmmc.c
@@ -303,6 +303,9 @@ int mxsmmc_initialize(bd_t *bis, int id, int (*wp)(int))
 		return -ENOMEM;
 	}
 
+	/* Init the DMA controller. */
+	mxs_dma_init();
+
 	priv->desc = mxs_dma_desc_alloc();
 	if (!priv->desc) {
 		free(priv);
-- 
1.7.1