On 30/08/15 09:12, Peng Fan wrote:
> 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.free...@gmail.com>
> Cc: Jonathan Cameron <ji...@kernel.org>
> Cc: Hartmut Knaack <knaac...@gmx.de>
> Cc: Lars-Peter Clausen <l...@metafoo.de>
> Cc: Peter Meerwald <pme...@pmeerw.net>
> Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
> Cc: Tapasweni Pathak <tapaswenipat...@gmail.com>
Applied to the togreg branch of iio.git - initially pushed out as testing for
the autobuilders to play with it.
Thanks,
Jonathan
> ---
> drivers/staging/iio/adc/lpc32xx_adc.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/staging/iio/adc/lpc32xx_adc.c
> b/drivers/staging/iio/adc/lpc32xx_adc.c
> index 5331c44..bcf4ebb 100644
> --- a/drivers/staging/iio/adc/lpc32xx_adc.c
> +++ b/drivers/staging/iio/adc/lpc32xx_adc.c
> @@ -137,7 +137,7 @@ static int lpc32xx_adc_probe(struct platform_device *pdev)
> res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> if (!res) {
> 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));
> @@ -162,7 +162,7 @@ static int lpc32xx_adc_probe(struct platform_device *pdev)
> irq = platform_get_irq(pdev, 0);
> if (irq <= 0) {
> dev_err(&pdev->dev, "failed getting interrupt resource\n");
> - return -EINVAL;
> + return -ENXIO;
> }
>
> retval = devm_request_irq(&pdev->dev, irq, lpc32xx_adc_isr, 0,
>
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