From e48031603ae644054a9251c6fc7f0e0fd4e2683a Mon Sep 17 00:00:00 2001
From: Christophe Leroy <christophe.leroy@csgroup.eu>
Date: Thu, 6 Oct 2022 07:36:50 +0200
Subject: [PATCH] uio: uio_fsl_elbc_gpcm: 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@csgroup.eu>
Link: https://lore.kernel.org/r/68ccdf51811ab26bdb452babf17ae860fa4900c2.1665034535.git.christophe.leroy@csgroup.eu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/uio/uio_fsl_elbc_gpcm.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/uio/uio_fsl_elbc_gpcm.c b/drivers/uio/uio_fsl_elbc_gpcm.c
index 7d8eb9dc2068..82dda799f327 100644
--- a/drivers/uio/uio_fsl_elbc_gpcm.c
+++ b/drivers/uio/uio_fsl_elbc_gpcm.c
@@ -390,13 +390,13 @@ static int uio_fsl_elbc_gpcm_probe(struct platform_device *pdev)
info->priv = priv;
info->name = uio_name;
info->version = "0.0.1";
- if (irq != NO_IRQ) {
+ if (irq) {
if (priv->irq_handler) {
info->irq = irq;
info->irq_flags = IRQF_SHARED;
info->handler = priv->irq_handler;
} else {
- irq = NO_IRQ;
+ irq = 0;
dev_warn(priv->dev, "ignoring irq, no handler\n");
}
}
@@ -417,7 +417,7 @@ static int uio_fsl_elbc_gpcm_probe(struct platform_device *pdev)
dev_info(priv->dev,
"eLBC/GPCM device (%s) at 0x%llx, bank %d, irq=%d\n",
priv->name, (unsigned long long)res.start, priv->bank,
- irq != NO_IRQ ? irq : -1);
+ irq ? : -1);
return 0;
out_err2: