mtd: gpmi: use DMA channel 0 for all the nand chips
authorHuang Shijie <b32955@freescale.com>
Tue, 27 Aug 2013 09:29:05 +0000 (17:29 +0800)
committerBrian Norris <computersforpeace@gmail.com>
Thu, 7 Nov 2013 07:33:02 +0000 (23:33 -0800)
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@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
drivers/mtd/nand/gpmi-nand/gpmi-nand.c

index 37508eb350d05864e5f25b0a693824912eef0b1e..a5c60c4a62b58a491c7e252f5c1f74e092d4a230 100644 (file)
@@ -357,9 +357,8 @@ 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? */