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uio: uio_fsl_elbc_gpcm: Replace NO_IRQ by 0

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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>
This commit is contained in:
Christophe Leroy 2022-10-06 07:36:50 +02:00 committed by Greg Kroah-Hartman
parent 982a84455e
commit e48031603a
1 changed files with 3 additions and 3 deletions
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6
drivers/uio/uio_fsl_elbc_gpcm.c
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@ -390,13 +390,13 @@ static int uio_fsl_elbc_gpcm_probe(struct platform_device *pdev)
info->priv = priv; info->priv = priv;
info->name = uio_name; info->name = uio_name;
info->version = "0.0.1"; info->version = "0.0.1";
if (irq != NO_IRQ) { if (irq) {
if (priv->irq_handler) { if (priv->irq_handler) {
info->irq = irq; info->irq = irq;
info->irq_flags = IRQF_SHARED; info->irq_flags = IRQF_SHARED;
info->handler = priv->irq_handler; info->handler = priv->irq_handler;
} else { } else {
irq = NO_IRQ; irq = 0;
dev_warn(priv->dev, "ignoring irq, no handler\n"); 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, dev_info(priv->dev,
"eLBC/GPCM device (%s) at 0x%llx, bank %d, irq=%d\n", "eLBC/GPCM device (%s) at 0x%llx, bank %d, irq=%d\n",
priv->name, (unsigned long long)res.start, priv->bank, priv->name, (unsigned long long)res.start, priv->bank,
irq != NO_IRQ ? irq : -1); irq ? : -1);
return 0; return 0;
out_err2: out_err2: