linux-kernel - Re: [PATCH v3 2/5] iio: adc: ad7192: Fix internal/external clock selection

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Message-ID: <20230604123359.228cf043@jic23-huawei>
Date:   Sun, 4 Jun 2023 12:33:59 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     fl.scratchpad@...il.com
Cc:     Alexandru Tachici <alexandru.tachici@...log.com>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Michael Hennerich <Michael.Hennerich@...log.com>,
        Alexandru Ardelean <aardelean@...iqon.com>,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        Nuno Sa <nuno.sa@...log.com>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>
Subject: Re: [PATCH v3 2/5] iio: adc: ad7192: Fix internal/external clock
 selection

On Tue, 30 May 2023 09:53:08 +0200
fl.scratchpad@...il.com wrote:

> From: Fabrizio Lamarque <fl.scratchpad@...il.com>
> 
> Fix wrong selection of internal clock when mclk is defined.
> 
> Resolve a logical inversion introduced in c9ec2cb328e3.
> 
> Fixes: c9ec2cb328e3 ("iio: adc: ad7192: use devm_clk_get_optional() for mclk")
> Signed-off-by: Fabrizio Lamarque <fl.scratchpad@...il.com>
> Reviewed-by: Nuno Sa <nuno.sa@...log.com>
Applied to the fixes-togreg branch of iio.git and marked for stable.

Thanks,

Jonathan

> ---
>  drivers/iio/adc/ad7192.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/iio/adc/ad7192.c b/drivers/iio/adc/ad7192.c
> index 94a9cf34a255..5a9c8898f8af 100644
> --- a/drivers/iio/adc/ad7192.c
> +++ b/drivers/iio/adc/ad7192.c
> @@ -367,7 +367,7 @@ static int ad7192_of_clock_select(struct ad7192_state *st)
>  	clock_sel = AD7192_CLK_INT;
>  
>  	/* use internal clock */
> -	if (st->mclk) {
> +	if (!st->mclk) {
>  		if (of_property_read_bool(np, "adi,int-clock-output-enable"))
>  			clock_sel = AD7192_CLK_INT_CO;
>  	} else {