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SubjectRe: [PATCH] iio: adc/imx25-gcq: move incorrect do_div
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On 12/02/16 11:15, Arnd Bergmann wrote:
> The newly added driver uses do_div() to device a 32-bit number, which now
> provokes a warning:
>
> drivers/iio/adc/fsl-imx25-gcq.c: In function 'mx25_gcq_setup_cfgs':
> include/asm-generic/div64.h:207:28: warning: comparison of distinct pointer types lacks a cast
> (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \
>
> This replaces the do_div() call with a straight division operator.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> Fixes: 6df2e98c3ea5 ("iio: adc: Add imx25-gcq ADC driver")
Acked-by: Jonathan Cameron <jic23@kernel.org>

oops.
> ---
> drivers/iio/adc/fsl-imx25-gcq.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/iio/adc/fsl-imx25-gcq.c b/drivers/iio/adc/fsl-imx25-gcq.c
> index 2fd192735d5b..72b32c1ab257 100644
> --- a/drivers/iio/adc/fsl-imx25-gcq.c
> +++ b/drivers/iio/adc/fsl-imx25-gcq.c
> @@ -233,7 +233,7 @@ static int mx25_gcq_setup_cfgs(struct platform_device *pdev,
> priv->channel_vref_mv[reg] =
> regulator_get_voltage(priv->vref[refp]);
> /* Conversion from uV to mV */
> - do_div(priv->channel_vref_mv[reg], 1000);
> + priv->channel_vref_mv[reg] /= 1000;
> break;
> case MX25_ADC_REFP_INT:
> priv->channel_vref_mv[reg] = 2500;
>

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