[PATCH 2/4] mtd: gpmi: use DMA channel 0 for all the nand chips

Huang Shijie b32955 at freescale.com
Fri Jun 14 04:06:23 EDT 2013


We only have one DMA channel : the channel 0.
Use DMA channel 0 to access all the nand chips.

Signed-off-by: Huang Shijie <b32955 at freescale.com>
---
 drivers/mtd/nand/gpmi-nand/gpmi-nand.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
index 25ecfa1..036e5e4 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
@@ -226,9 +226,8 @@ int common_nfc_set_geometry(struct gpmi_nand_data *this)
 
 struct dma_chan *get_dma_chan(struct gpmi_nand_data *this)
 {
-	int chipnr = this->current_chip;
-
-	return this->dma_chans[chipnr];
+	/* We use the DMA channel 0 to access all the nand chips. */
+	return this->dma_chans[0];
 }
 
 /* Can we use the upper's buffer directly for DMA? */
-- 
1.7.1





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