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staging: iio: adc: lpc32xx: use correct reutrn value 

To lpc32xx_adc driver, when platform_get_resource or
platform_get_irq failed, we should use -ENXIO as a
return value, but not -EBUSY.

Signed-off-by: Peng Fan <van.freenix@gmail.com>
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: Hartmut Knaack <knaack.h@gmx.de>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Peter Meerwald <pmeerw@pmeerw.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Tapasweni Pathak <tapaswenipathak@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Peng Fan 2015-08-30 16:12:57 +08:00 committed by Jonathan Cameron
parent a8dbc64a26
commit f6707ef7a3
1 changed files with 2 additions and 2 deletions
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4
drivers/staging/iio/adc/lpc32xx_adc.c
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@ -137,7 +137,7 @@ static int lpc32xx_adc_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0); res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) { if (!res) {
dev_err(&pdev->dev, "failed to get platform I/O memory\n"); dev_err(&pdev->dev, "failed to get platform I/O memory\n");
return -EBUSY; return -ENXIO;
} }
iodev = devm_iio_device_alloc(&pdev->dev, sizeof(*info)); iodev = devm_iio_device_alloc(&pdev->dev, sizeof(*info));
@ -162,7 +162,7 @@ static int lpc32xx_adc_probe(struct platform_device *pdev)
irq = platform_get_irq(pdev, 0); irq = platform_get_irq(pdev, 0);
if (irq <= 0) { if (irq <= 0) {
dev_err(&pdev->dev, "failed getting interrupt resource\n"); dev_err(&pdev->dev, "failed getting interrupt resource\n");
return -EINVAL; return -ENXIO;
} }
retval = devm_request_irq(&pdev->dev, irq, lpc32xx_adc_isr, 0, retval = devm_request_irq(&pdev->dev, irq, lpc32xx_adc_isr, 0,