mtd: nand: omap2: Add check for old elm binding

commit c9711ec5250b ("mtd: nand: omap: Clean up device tree support")
removes the check for the old elm phandle binding.
Add it again to keep backward compatibility.

Fixes: commit c9711ec5250b ("mtd: nand: omap: Clean up device tree support")
Signed-off-by: Teresa Remmet <t.remmet@phytec.de>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
index 08e158895635cddda0bbea4e6973cfb8dd727e74..a136da8df6fe897d4f908d2723d4a95d8b152933 100644 (file)
--- a/drivers/mtd/nand/omap2.c
+++ b/drivers/mtd/nand/omap2.c
@@ -1657,8 +1657,11 @@ static int omap_get_dt_info(struct device *dev, struct omap_nand_info *info)
 
        /* detect availability of ELM module. Won't be present pre-OMAP4 */
        info->elm_of_node = of_parse_phandle(child, "ti,elm-id", 0);
-       if (!info->elm_of_node)
-               dev_dbg(dev, "ti,elm-id not in DT\n");
+       if (!info->elm_of_node) {
+               info->elm_of_node = of_parse_phandle(child, "elm_id", 0);
+               if (!info->elm_of_node)
+                       dev_dbg(dev, "ti,elm-id not in DT\n");
+       }
 
        /* select ecc-scheme for NAND */
        if (of_property_read_string(child, "ti,nand-ecc-opt", &s)) {