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Commit f6707ef7 authored by Peng Fan's avatar Peng Fan Committed by Jonathan Cameron
Browse files

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: default avatarPeng 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: default avatarJonathan Cameron <jic23@kernel.org>
parent a8dbc64a

drivers/staging/iio/adc/lpc32xx_adc.c

+2 −2
Original line number Original line Diff line number Diff line
@@ -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,