linux-kernel - [PATCH 3/7] mtd: rawnand: sunxi: Remove an unnecessary check

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Message-Id: <20221229181526.53766-4-samuel@sholland.org>
Date:   Thu, 29 Dec 2022 12:15:22 -0600
From:   Samuel Holland <samuel@...lland.org>
To:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>
Cc:     Boris Brezillon <bbrezillon@...nel.org>,
        Samuel Holland <samuel@...lland.org>,
        Brian Norris <computersforpeace@...il.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mtd@...ts.infradead.org, linux-sunxi@...ts.linux.dev
Subject: [PATCH 3/7] 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@...lland.org>
---

 drivers/mtd/nand/raw/sunxi_nand.c | 6 ------
 1 file changed, 6 deletions(-)

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) {
-- 
2.37.4