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From: Jonathan Cameron <jic23@kernel.org>
To: Claudiu Beznea <claudiu.beznea@microchip.com>
Cc: alexandre.belloni@bootlin.com, lars@metafoo.de,
	linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org,
	eugen.hristev@microchip.com,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] iio: adc: at91-sama5d2_adc: get rid of 5 degrees Celsius adjustment
Date: Sun, 23 Oct 2022 13:21:52 +0100	[thread overview]
Message-ID: <20221023132152.3d1dcedf@jic23-huawei> (raw)
In-Reply-To: <20221020102705.3639204-1-claudiu.beznea@microchip.com>

On Thu, 20 Oct 2022 13:27:05 +0300
Claudiu Beznea <claudiu.beznea@microchip.com> wrote:

> On SAMA7G5 final chip version there is no need for 5 degrees Celsius
> adjustment when computing junction temperature, thus, remove it.
> 
> Fixes: 5ab38b81895c ("iio: adc: at91-sama5d2_adc: add support for temperature sensor")
> Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Applied to the fixes-togreg branch of iio.git

Thanks,

Jonathan

> ---
>  drivers/iio/adc/at91-sama5d2_adc.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c
> index 33e251552214..870f4cb60923 100644
> --- a/drivers/iio/adc/at91-sama5d2_adc.c
> +++ b/drivers/iio/adc/at91-sama5d2_adc.c
> @@ -2307,11 +2307,9 @@ static int at91_adc_temp_sensor_init(struct at91_adc_state *st,
>  	clb->p6 = buf[AT91_ADC_TS_CLB_IDX_P6];
>  
>  	/*
> -	 * We prepare here the conversion to milli and also add constant
> -	 * factor (5 degrees Celsius) to p1 here to avoid doing it on
> -	 * hotpath.
> +	 * We prepare here the conversion to milli to avoid doing it on hotpath.
>  	 */
> -	clb->p1 = clb->p1 * 1000 + 5000;
> +	clb->p1 = clb->p1 * 1000;
>  
>  free_buf:
>  	kfree(buf);


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      reply	other threads:[~2022-10-23 12:22 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-20 10:27 [PATCH] iio: adc: at91-sama5d2_adc: get rid of 5 degrees Celsius adjustment Claudiu Beznea
2022-10-23 12:21 ` Jonathan Cameron [this message]

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