linux-kernel - Re: [PATCH v3 1/2] iio: vadc: Qualcomm SPMI PMIC voltage ADC driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1411649225.18580.134.camel@iivanov-dev>
Date:	Thu, 25 Sep 2014 15:47:05 +0300
From:	"Ivan T. Ivanov" <iivanov@...sol.com>
To:	Stanimir Varbanov <svarbanov@...sol.com>
Cc:	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Pawel Moll <pawel.moll@....com>,
	Rob Herring <robh+dt@...nel.org>,
	Kumar Gala <galak@...eaurora.org>,
	Mark Rutland <mark.rutland@....com>,
	Grant Likely <grant.likely@...aro.org>,
	Jonathan Cameron <jic23@...nel.org>,
	Arnd Bergmann <arnd@...db.de>, linux-arm-msm@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org,
	devicetree@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Hartmut Knaack <knaack.h@....de>,
	Angelo Compagnucci <angelo.compagnucci@...il.com>,
	Doug Anderson <dianders@...omium.org>,
	Fugang Duan <B38611@...escale.com>,
	Johannes Thumshirn <johannes.thumshirn@....de>,
	Jean Delvare <jdelvare@...e.de>,
	Philippe Reynes <tremyfr@...oo.fr>,
	Lee Jones <lee.jones@...aro.org>,
	Josh Cartwright <joshc@...eaurora.org>,
	Stephen Boyd <sboyd@...eaurora.org>,
	David Collins <collinsd@...eaurora.org>
Subject: Re: [PATCH v3 1/2] iio: vadc: Qualcomm SPMI PMIC voltage ADC driver


Hi Stan, few comment bellow.

On Wed, 2014-09-24 at 15:56 +0300, Stanimir Varbanov wrote:
> The voltage ADC is peripheral of Qualcomm SPMI PMIC chips. It has
> 15bits resolution and register space inside PMIC accessible across
> SPMI bus.
> 
> The vadc driver registers itself through IIO interface.
> 
> Signed-off-by: Stanimir Varbanov <svarbanov@...sol.com>
> Signed-off-by: Ivan T. Ivanov <iivanov@...sol.com>
> ---
>  drivers/iio/adc/Kconfig                       |   10 +
>  drivers/iio/adc/Makefile                      |    1 +
>  drivers/iio/adc/qcom-spmi-vadc.c              | 1029 +++++++++++++++++++++++++
>  include/dt-bindings/iio/qcom,spmi-pmic-vadc.h |  119 +++
>  4 files changed, 1159 insertions(+), 0 deletions(-)
>  create mode 100644 drivers/iio/adc/qcom-spmi-vadc.c
>  create mode 100644 include/dt-bindings/iio/qcom,spmi-pmic-vadc.h
> 
> diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
> index 11b048a..ec48360 100644
> --- a/drivers/iio/adc/Kconfig
> +++ b/drivers/iio/adc/Kconfig
> @@ -206,6 +206,16 @@ config NAU7802
>  	  To compile this driver as a module, choose M here: the
>  	  module will be called nau7802.
>  
> +config QCOM_SPMI_VADC
> +	tristate "Qualcomm SPMI PMIC voltage ADC"
> +	depends on SPMI

+ select REGMAP_SPMI

<snip>

> +
> +static int vadc_read(struct vadc_priv *vadc, u16 offset, u8 *data)
> +{
> +	return regmap_bulk_read(vadc->regmap, vadc->base + offset, data, 1);

just regmap_read() ?

> +}
> +

General comment, most of the dev_dbg looks like legitimate dev_err's to me.

Regards,
Ivan 


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/