linux-kernel - Re: [PATCH] iio: adc: qcom-spmi-adc5: Add ADC5_AMUX_THM[24]_100K

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Message-ID: <20180819175452.31e0906b@archlinux>
Date:   Sun, 19 Aug 2018 17:54:52 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Matthias Kaehlcke <mka@...omium.org>
Cc:     Hartmut Knaack <knaack.h@....de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Siddartha Mohanadoss <smohanad@...eaurora.org>,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        Douglas Anderson <dianders@...omium.org>
Subject: Re: [PATCH] iio: adc: qcom-spmi-adc5: Add ADC5_AMUX_THM[24]_100K_PU
 to rev2 channel list

On Fri, 10 Aug 2018 12:47:02 -0700
Matthias Kaehlcke <mka@...omium.org> wrote:

> Add ADC5_AMUX_THM2_100K_PU and ADC5_AMUX_THM4_100K_PU to the list of
> rev2 ADC channels.
> 
> Signed-off-by: Matthias Kaehlcke <mka@...omium.org>
This is fine and applied to the togreg branch of iio.git.
Pushed out as testing to let the autobuilders play with it.

However, I took a quick look and can't immediately see what prevents us
specifying channels in DT that don't have these definitions in the driver.

Should we have a check for that as at least superficially it seems like
a bad idea!

Jonathan

> ---
>  drivers/iio/adc/qcom-spmi-adc5.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/iio/adc/qcom-spmi-adc5.c b/drivers/iio/adc/qcom-spmi-adc5.c
> index a4299417f3de..1f9298a5c83d 100644
> --- a/drivers/iio/adc/qcom-spmi-adc5.c
> +++ b/drivers/iio/adc/qcom-spmi-adc5.c
> @@ -491,8 +491,12 @@ static const struct adc5_channels adc5_chans_rev2[ADC5_MAX_CHANNEL] = {
>  					SCALE_HW_CALIB_PMIC_THERM)
>  	[ADC5_AMUX_THM1_100K_PU] = ADC5_CHAN_TEMP("amux_thm1_100k_pu", 1,
>  					SCALE_HW_CALIB_THERM_100K_PULLUP)
> +	[ADC5_AMUX_THM2_100K_PU] = ADC5_CHAN_TEMP("amux_thm2_100k_pu", 1,
> +					SCALE_HW_CALIB_THERM_100K_PULLUP)
>  	[ADC5_AMUX_THM3_100K_PU] = ADC5_CHAN_TEMP("amux_thm3_100k_pu", 1,
>  					SCALE_HW_CALIB_THERM_100K_PULLUP)
> +	[ADC5_AMUX_THM4_100K_PU] = ADC5_CHAN_TEMP("amux_thm4_100k_pu", 1,
> +					SCALE_HW_CALIB_THERM_100K_PULLUP)
>  	[ADC5_AMUX_THM5_100K_PU] = ADC5_CHAN_TEMP("amux_thm5_100k_pu", 1,
>  					SCALE_HW_CALIB_THERM_100K_PULLUP)
>  	[ADC5_XO_THERM_100K_PU]	= ADC5_CHAN_TEMP("xo_therm_100k_pu", 1,