mtd: davinci: if no amif timing is passed, don; t setup cscfg register

Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
index c153e1f77f90..6e566156956f 100644
--- a/drivers/mtd/nand/davinci_nand.c
+++ b/drivers/mtd/nand/davinci_nand.c
@@ -675,7 +675,9 @@ static int __init nand_davinci_probe(struct platform_device *pdev)
 
         davinci_nand_writel(info, A1CR_OFFSET + info->core_chipsel * 4, val);
 
-        ret = davinci_aemif_setup_timing(info->timing, info->base,
+        ret = 0;
+        if (info->timing)
+                ret = davinci_aemif_setup_timing(info->timing, info->base,
                                                         info->core_chipsel);
         if (ret < 0) {
                 dev_dbg(&pdev->dev, "NAND timing values setup fail\n");