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Date:   Wed, 18 Aug 2021 15:50:32 +0000
From:   Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@...renesas.com>
To:     Colin King <colin.king@...onical.com>,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Biju Das <biju.das.jz@...renesas.com>,
        "linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
        "linux-renesas-soc@...r.kernel.org" 
        <linux-renesas-soc@...r.kernel.org>
CC:     "kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH][next] iio: adc: Fix -EBUSY timeout error return

Hi Colin,

Thank you for the patch.

> -----Original Message-----
> From: Colin King <colin.king@...onical.com>
> Sent: 17 August 2021 18:21
> To: Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@...renesas.com>; Jonathan Cameron
> <jic23@...nel.org>; Lars-Peter Clausen <lars@...afoo.de>; Biju Das <biju.das.jz@...renesas.com>;
> linux-iio@...r.kernel.org; linux-renesas-soc@...r.kernel.org
> Cc: kernel-janitors@...r.kernel.org; linux-kernel@...r.kernel.org
> Subject: [PATCH][next] iio: adc: Fix -EBUSY timeout error return
> 
> From: Colin Ian King <colin.king@...onical.com>
> 
> Currently when a timeout occurs in rzg2l_adc_hw_init the error -EBUSY is assigned to ret but the error
> code is used as the function is hard-coded to return 0.  The variable ret is 0 before entering the
> while-loop hence the fix is just to return ret at the end of the function to return the success 0 or -
> EBUSY return code.
> 
> Addresses-Coverity: ("Unused value")
> Fixes: d484c21bacfa ("iio: adc: Add driver for Renesas RZ/G2L A/D converter")
> Signed-off-by: Colin Ian King <colin.king@...onical.com>
> ---
>  drivers/iio/adc/rzg2l_adc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
iio: adc: rzg2l_adc: Fix -EBUSY timeout error return

with the subject changed to above: Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

Cheers,
Prabhakar

> diff --git a/drivers/iio/adc/rzg2l_adc.c b/drivers/iio/adc/rzg2l_adc.c index
> 9996d5eef289..868b183e75ea 100644
> --- a/drivers/iio/adc/rzg2l_adc.c
> +++ b/drivers/iio/adc/rzg2l_adc.c
> @@ -401,7 +401,7 @@ static int rzg2l_adc_hw_init(struct rzg2l_adc *adc)
>  exit_hw_init:
>  	clk_disable_unprepare(adc->pclk);
> 
> -	return 0;
> +	return ret;
>  }
> 
>  static void rzg2l_adc_pm_runtime_disable(void *data)
> --
> 2.32.0

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