linux-kernel - Re: [PATCH] IIO: ADC: stm32-dfsdm: remove unused variable

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Date:   Wed, 17 Jan 2018 16:27:51 +0100
From:   Arnaud Pouliquen <arnaud.pouliquen@...com>
To:     Arnd Bergmann <arnd@...db.de>, Mark Brown <broonie@...nel.org>
CC:     Jonathan Cameron <jic23@...nel.org>,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        <linux-iio@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] IIO: ADC: stm32-dfsdm: remove unused variable

Hi Arnd,

On 01/17/2018 03:46 PM, Arnd Bergmann wrote:
> A cleanup left one variable behind that is no longer needed and
> can be removed, as shown by the gcc warning:
> 
> drivers/iio/adc/stm32-dfsdm-core.c: In function 'stm32_dfsdm_probe':
> drivers/iio/adc/stm32-dfsdm-core.c:245:29: error: unused variable 'of_id' [-Werror=unused-variable]
> 
> Fixes: abaca806fd13 ("IIO: ADC: stm32-dfsdm: code optimization")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  drivers/iio/adc/stm32-dfsdm-core.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/iio/adc/stm32-dfsdm-core.c b/drivers/iio/adc/stm32-dfsdm-core.c
> index 84277bcc465f..6290332cfd3f 100644
> --- a/drivers/iio/adc/stm32-dfsdm-core.c
> +++ b/drivers/iio/adc/stm32-dfsdm-core.c
> @@ -242,7 +242,6 @@ MODULE_DEVICE_TABLE(of, stm32_dfsdm_of_match);
>  static int stm32_dfsdm_probe(struct platform_device *pdev)
>  {
>  	struct dfsdm_priv *priv;
> -	const struct of_device_id *of_id;
>  	const struct stm32_dfsdm_dev_data *dev_data;
>  	struct stm32_dfsdm *dfsdm;
>  	int ret;
> 
Could you crosscheck? This is included in the patch:
https://www.spinics.net/lists/arm-kernel/msg628841.html applied in
Mark's branches ( commit abaca806fd13afd069e04e883de8ec75924b0598)

Regards
Arnaud