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authorRuan Jinjie <ruanjinjie@huawei.com>2023-07-27 15:16:07 +0200
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2023-07-29 17:23:45 +0200
commitc09ddcdd4dd32ee9768dc233ead4b3d726f26d38 (patch)
tree8206bd2bdd3358111eea275c1788e15583fc2908 /drivers/iio
parenttools: iio: iio_generic_buffer: Fix some integer type and calculation (diff)
downloadlinux-c09ddcdd4dd32ee9768dc233ead4b3d726f26d38.tar.xz
linux-c09ddcdd4dd32ee9768dc233ead4b3d726f26d38.zip
iio: adc: fix the return value handle for platform_get_irq()
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>
Diffstat (limited to 'drivers/iio')
-rw-r--r--drivers/iio/adc/bcm_iproc_adc.c4
-rw-r--r--drivers/iio/adc/lpc32xx_adc.c4
-rw-r--r--drivers/iio/adc/npcm_adc.c4
-rw-r--r--drivers/iio/adc/spear_adc.c4
4 files changed, 8 insertions, 8 deletions
diff --git a/drivers/iio/adc/bcm_iproc_adc.c b/drivers/iio/adc/bcm_iproc_adc.c
index 44e1e53ada72..0d6885413a7e 100644
--- a/drivers/iio/adc/bcm_iproc_adc.c
+++ b/drivers/iio/adc/bcm_iproc_adc.c
@@ -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);
diff --git a/drivers/iio/adc/lpc32xx_adc.c b/drivers/iio/adc/lpc32xx_adc.c
index 732c924a976d..e34ed7dacd89 100644
--- a/drivers/iio/adc/lpc32xx_adc.c
+++ b/drivers/iio/adc/lpc32xx_adc.c
@@ -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);
diff --git a/drivers/iio/adc/npcm_adc.c b/drivers/iio/adc/npcm_adc.c
index ba4cd8f49f66..3d9207c160eb 100644
--- a/drivers/iio/adc/npcm_adc.c
+++ b/drivers/iio/adc/npcm_adc.c
@@ -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;
}
diff --git a/drivers/iio/adc/spear_adc.c b/drivers/iio/adc/spear_adc.c
index d93e580b3dc5..ad54ef798109 100644
--- a/drivers/iio/adc/spear_adc.c
+++ b/drivers/iio/adc/spear_adc.c
@@ -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;
}