linux-kernel - Re: [PATCH 03/16] iio: adc: sun4i-gpadc-iio: rename A33-specified registers to contain A33

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Message-ID: <20180128083453.5d384742@archlinux>
Date:   Sun, 28 Jan 2018 08:34:53 +0000
From:   Jonathan Cameron <jic23@...nel.org>
To:     Philipp Rossak <embed3d@...il.com>
Cc:     lee.jones@...aro.org, robh+dt@...nel.org, mark.rutland@....com,
        maxime.ripard@...e-electrons.com, wens@...e.org,
        linux@...linux.org.uk, knaack.h@....de, lars@...afoo.de,
        pmeerw@...erw.net, davem@...emloft.net, hans.verkuil@...co.com,
        mchehab@...nel.org, rask@...melder.dk, clabbe.montjoie@...il.com,
        sean@...s.org, krzk@...nel.org, quentin.schulz@...e-electrons.com,
        icenowy@...c.io, edu.molinas@...il.com, singhalsimran0@...il.com,
        linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...glegroups.com
Subject: Re: [PATCH 03/16] iio: adc: sun4i-gpadc-iio: rename A33-specified
 registers to contain A33

On Fri, 26 Jan 2018 16:19:28 +0100
Philipp Rossak <embed3d@...il.com> wrote:

> From: Icenowy Zheng <icenowy@...c.io>
> 
> As the H3 SoC, which is also in sun8i line, has totally different
> register map for the thermal sensor (a cut down version of GPADC), we
> should rename A23/A33-specified registers to contain A33, in order to
> prevent obfuscation with H3 registers. Currently these registers are
> only prefixed "SUN8I", not "SUN8I_A33".
> 
> Add "_A33" after "SUN8I" on the register names.
> 
> Signed-off-by: Icenowy Zheng <icenowy@...c.io>
> Reviewed-by: Chen-Yu Tsai <wens@...e.org>
> Acked-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
> Acked-by: Lee Jones <lee.jones@...aro.org>
Acked-by: Jonathan Cameron <jonathan.cameron@...wei.com>
(for the trivial change in the IIO driver)

> ---
>  drivers/iio/adc/sun4i-gpadc-iio.c | 2 +-
>  include/linux/mfd/sun4i-gpadc.h   | 6 +++---
>  2 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/iio/adc/sun4i-gpadc-iio.c b/drivers/iio/adc/sun4i-gpadc-iio.c
> index 04d7147e0110..03804ff9c006 100644
> --- a/drivers/iio/adc/sun4i-gpadc-iio.c
> +++ b/drivers/iio/adc/sun4i-gpadc-iio.c
> @@ -88,7 +88,7 @@ static const struct gpadc_data sun6i_gpadc_data = {
>  static const struct gpadc_data sun8i_a33_gpadc_data = {
>  	.temp_offset = -1662,
>  	.temp_scale = 162,
> -	.tp_mode_en = SUN8I_GPADC_CTRL1_CHOP_TEMP_EN,
> +	.tp_mode_en = SUN8I_A33_GPADC_CTRL1_CHOP_TEMP_EN,
>  };
>  
>  struct sun4i_gpadc_iio {
> diff --git a/include/linux/mfd/sun4i-gpadc.h b/include/linux/mfd/sun4i-gpadc.h
> index 139872c2e0fe..78d31984a222 100644
> --- a/include/linux/mfd/sun4i-gpadc.h
> +++ b/include/linux/mfd/sun4i-gpadc.h
> @@ -38,9 +38,9 @@
>  #define SUN6I_GPADC_CTRL1_ADC_CHAN_SELECT(x)		(GENMASK(3, 0) & BIT(x))
>  #define SUN6I_GPADC_CTRL1_ADC_CHAN_MASK			GENMASK(3, 0)
>  
> -/* TP_CTRL1 bits for sun8i SoCs */
> -#define SUN8I_GPADC_CTRL1_CHOP_TEMP_EN			BIT(8)
> -#define SUN8I_GPADC_CTRL1_GPADC_CALI_EN			BIT(7)
> +/* TP_CTRL1 bits for A33 */
> +#define SUN8I_A33_GPADC_CTRL1_CHOP_TEMP_EN		BIT(8)
> +#define SUN8I_A33_GPADC_CTRL1_GPADC_CALI_EN		BIT(7)
>  
>  #define SUN4I_GPADC_CTRL2				0x08
>