mtd: nand: sunxi: Remove an unnecessary check

Each chip is required to have a unique CS number ("reg" property) in the
range 0-7, so there is no need to separately count the number of chips.

Reviewed-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi_nand.c
index c378f08..0f10edf 100644
--- a/drivers/mtd/nand/raw/sunxi_nand.c
+++ b/drivers/mtd/nand/raw/sunxi_nand.c
@@ -1767,16 +1767,6 @@
 	int ret, i = 0;
 
 	for (nand_node = fdt_first_subnode(blob, node); nand_node >= 0;
-	     nand_node = fdt_next_subnode(blob, nand_node))
-		i++;
-
-	if (i > 8) {
-		dev_err(nfc->dev, "too many NAND chips: %d (max = 8)\n", i);
-		return -EINVAL;
-	}
-
-	i = 0;
-	for (nand_node = fdt_first_subnode(blob, node); nand_node >= 0;
 	     nand_node = fdt_next_subnode(blob, nand_node)) {
 		ret = sunxi_nand_chip_init(nand_node, nfc, i++);
 		if (ret)