mtd: rawnand: brcmnand: Don't default to edu transfer

[ Upstream commit bee3ab8bdd3b13faf08e5b6e0218f59b0a49fcc3 ]

When flash-dma is absent do not default to using flash-edu.
Make sure flash-edu is enabled before setting EDU transfer
function.

Fixes: a5d53ad26a8b ("mtd: rawnand: brcmnand: Add support for flash-edu for dma transfers")
Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200612212902.21347-2-kdasu.kdev@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
index 44068e9eea035cebd5232d27690279579a2d86dd..ac934a715a1946afcc7c6094d067776e08479a1d 100644 (file)
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -3023,8 +3023,9 @@ int brcmnand_probe(struct platform_device *pdev, struct brcmnand_soc *soc)
                if (ret < 0)
                        goto err;
 
-               /* set edu transfer function to call */
-               ctrl->dma_trans = brcmnand_edu_trans;
+               if (has_edu(ctrl))
+                       /* set edu transfer function to call */
+                       ctrl->dma_trans = brcmnand_edu_trans;
        }
 
        /* Disable automatic device ID config, direct addressing */