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iio: adc: fix the return value handle for platform_get_irq()

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There is no possible for platform_get_irq() to return 0
and the return value of platform_get_irq() is more sensible
to show the error reason.

Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>
Link: https://lore.kernel.org/r/20230727131607.2897937-1-ruanjinjie@huawei.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Ruan Jinjie
2023-07-27 21:16:07 +08:00
committed by Jonathan Cameron
parent 49d736313d
commit c09ddcdd4d
4 changed files with 8 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/iio/adc/bcm_iproc_adc.c
View File

@@ -540,8 +540,8 @@ static int iproc_adc_probe(struct platform_device *pdev)
}
adc_priv->irqno = platform_get_irq(pdev, 0);
if (adc_priv->irqno <= 0)
return -ENODEV;
if (adc_priv->irqno < 0)
return adc_priv->irqno;
ret = regmap_update_bits(adc_priv->regmap, IPROC_REGCTL2,
IPROC_ADC_AUXIN_SCAN_ENA, 0);

4
drivers/iio/adc/lpc32xx_adc.c
View File

@@ -176,8 +176,8 @@ static int lpc32xx_adc_probe(struct platform_device *pdev)
}
irq = platform_get_irq(pdev, 0);
if (irq <= 0)
return -ENXIO;
if (irq < 0)
return irq;
retval = devm_request_irq(&pdev->dev, irq, lpc32xx_adc_isr, 0,
LPC32XXAD_NAME, st);

4
drivers/iio/adc/npcm_adc.c
View File

@@ -244,8 +244,8 @@ static int npcm_adc_probe(struct platform_device *pdev)
info->adc_sample_hz = clk_get_rate(info->adc_clk) / ((div + 1) * 2);
irq = platform_get_irq(pdev, 0);
if (irq <= 0) {
ret = -EINVAL;
if (irq < 0) {
ret = irq;
goto err_disable_clk;
}

4
drivers/iio/adc/spear_adc.c
View File

@@ -310,8 +310,8 @@ static int spear_adc_probe(struct platform_device *pdev)
}
irq = platform_get_irq(pdev, 0);
if (irq <= 0) {
ret = -EINVAL;
if (irq < 0) {
ret = irq;
goto errout2;
}