linux-kernel - [PATCH] mtd: nand: mpc5121: use 'of_machine_is

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <1452408399-5840-1-git-send-email-christophe.jaillet@wanadoo.fr>
Date:	Sun, 10 Jan 2016 07:46:39 +0100
From:	Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:	dwmw2@...radead.org, computersforpeace@...il.com
Cc:	linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org,
	Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH] mtd: nand: mpc5121: use 'of_machine_is_compatible' to simplify code

The current code is the same as 'of_machine_is_compatible'.
So use it in order to remove a few lines of code and to be more
consistent with other parts of the kernel.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/mtd/nand/mpc5121_nfc.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/mtd/nand/mpc5121_nfc.c b/drivers/mtd/nand/mpc5121_nfc.c
index 6b93e89..5d7843f 100644
--- a/drivers/mtd/nand/mpc5121_nfc.c
+++ b/drivers/mtd/nand/mpc5121_nfc.c
@@ -626,7 +626,7 @@ static void mpc5121_nfc_free(struct device *dev, struct mtd_info *mtd)
 
 static int mpc5121_nfc_probe(struct platform_device *op)
 {
-	struct device_node *rootnode, *dn = op->dev.of_node;
+	struct device_node *dn = op->dev.of_node;
 	struct clk *clk;
 	struct device *dev = &op->dev;
 	struct mpc5121_nfc_prv *prv;
@@ -712,18 +712,15 @@ static int mpc5121_nfc_probe(struct platform_device *op)
 	chip->ecc.mode = NAND_ECC_SOFT;
 
 	/* Support external chip-select logic on ADS5121 board */
-	rootnode = of_find_node_by_path("/");
-	if (of_device_is_compatible(rootnode, "fsl,mpc5121ads")) {
+	if (of_machine_is_compatible("fsl,mpc5121ads")) {
 		retval = ads5121_chipselect_init(mtd);
 		if (retval) {
 			dev_err(dev, "Chipselect init error!\n");
-			of_node_put(rootnode);
 			return retval;
 		}
 
 		chip->select_chip = ads5121_select_chip;
 	}
-	of_node_put(rootnode);
 
 	/* Enable NFC clock */
 	clk = devm_clk_get(dev, "ipg");
-- 
2.5.0