From: Miquel Raynal <miquel.raynal@bootlin.com>
Date: Tue, 19 May 2020 13:00:31 +0000 (+0200)
Subject: mtd: rawnand: txx9ndfmc: Stop using nand_release()
X-Git-Tag: v5.8-rc1~68^2~5^2~37
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=f6fc75978d882e9c8970f11082f9be7e5ba95e45;p=linux.git

mtd: rawnand: txx9ndfmc: Stop using nand_release()

This helper is not very useful and very often people get confused:
they use nand_release() instead of nand_cleanup().

Let's stop using nand_release() by calling mtd_device_unregister() and
nand_cleanup() directly.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200519130035.1883-59-miquel.raynal@bootlin.com
---

diff --git a/drivers/mtd/nand/raw/txx9ndfmc.c b/drivers/mtd/nand/raw/txx9ndfmc.c
index 2642d5bb3241..47d966871445 100644
--- a/drivers/mtd/nand/raw/txx9ndfmc.c
+++ b/drivers/mtd/nand/raw/txx9ndfmc.c
@@ -371,7 +371,7 @@ static int __init txx9ndfmc_probe(struct platform_device *dev)
 static int __exit txx9ndfmc_remove(struct platform_device *dev)
 {
 	struct txx9ndfmc_drvdata *drvdata = platform_get_drvdata(dev);
-	int i;
+	int ret, i;
 
 	if (!drvdata)
 		return 0;
@@ -385,7 +385,9 @@ static int __exit txx9ndfmc_remove(struct platform_device *dev)
 		chip = mtd_to_nand(mtd);
 		txx9_priv = nand_get_controller_data(chip);
 
-		nand_release(chip);
+		ret = mtd_device_unregister(nand_to_mtd(chip));
+		WARN_ON(ret);
+		nand_cleanup(chip);
 		kfree(txx9_priv->mtdname);
 		kfree(txx9_priv);
 	}