From: Samuel Holland <samuel@sholland.org>
Date: Thu, 29 Dec 2022 18:15:22 +0000 (-0600)
Subject: mtd: rawnand: sunxi: Remove an unnecessary check
X-Git-Tag: v6.3-rc1~77^2^2~17
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=85e8177e581964a727410c781410f626e1cb4c25;p=tomoyo%2Ftomoyo-test1.git

mtd: rawnand: 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.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20221229181526.53766-4-samuel@sholland.org
---

diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi_nand.c
index 8b221f9f10a7..1bddeb1be66f 100644
--- a/drivers/mtd/nand/raw/sunxi_nand.c
+++ b/drivers/mtd/nand/raw/sunxi_nand.c
@@ -2060,14 +2060,8 @@ static int sunxi_nand_chips_init(struct device *dev, struct sunxi_nfc *nfc)
 {
 	struct device_node *np = dev->of_node;
 	struct device_node *nand_np;
-	int nchips = of_get_child_count(np);
 	int ret;
 
-	if (nchips > 8) {
-		dev_err(dev, "too many NAND chips: %d (max = 8)\n", nchips);
-		return -EINVAL;
-	}
-
 	for_each_child_of_node(np, nand_np) {
 		ret = sunxi_nand_chip_init(dev, nfc, nand_np);
 		if (ret) {