mtd: nand: pxa3xx: Move DMA I/O enabling
Instead of setting info->dma each time a command is prepared,
we can move it after the DMA buffers are allocated.
This is more clear and it's the proper place to enable this, given
DMA cannot be turned on and off during runtime.
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Tested-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index e08c3c0..2879974 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -540,7 +540,6 @@
info->oob_size = 0;
info->use_ecc = 0;
info->use_spare = 1;
- info->use_dma = (use_dma) ? 1 : 0;
info->is_ready = 0;
info->retcode = ERR_NONE;
if (info->cs != 0)
@@ -950,6 +949,11 @@
return info->data_dma_ch;
}
+ /*
+ * Now that DMA buffers are allocated we turn on
+ * DMA proper for I/O operations.
+ */
+ info->use_dma = 1;
return 0;
}