linux-kernel - [PATCH] mtd: rawnand: mpc5121: Replace NO

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Message-Id: <4e3ca3e0077ea124ea210c312e6e620f0f9e8bca.1665034065.git.christophe.leroy@csgroup.eu>
Date:   Thu,  6 Oct 2022 07:29:12 +0200
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>
Cc:     Christophe Leroy <christophe.leroy@...roup.eu>,
        linux-kernel@...r.kernel.org, linux-mtd@...ts.infradead.org
Subject: [PATCH] mtd: rawnand: mpc5121: Replace NO_IRQ by 0

NO_IRQ is used to check the return of irq_of_parse_and_map().

On some architecture NO_IRQ is 0, on other architectures it is -1.

irq_of_parse_and_map() returns 0 on error, independent of NO_IRQ.

So use 0 instead of using NO_IRQ.

Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
 drivers/mtd/nand/raw/mpc5121_nfc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/raw/mpc5121_nfc.c b/drivers/mtd/nand/raw/mpc5121_nfc.c
index 800d774aed8e..f68349cb7824 100644
--- a/drivers/mtd/nand/raw/mpc5121_nfc.c
+++ b/drivers/mtd/nand/raw/mpc5121_nfc.c
@@ -663,7 +663,7 @@ static int mpc5121_nfc_probe(struct platform_device *op)
 	}
 
 	prv->irq = irq_of_parse_and_map(dn, 0);
-	if (prv->irq == NO_IRQ) {
+	if (!prv->irq) {
 		dev_err(dev, "Error mapping IRQ!\n");
 		return -EINVAL;
 	}
-- 
2.37.1