linux-kernel - Re: [RFC V1 1/3] hwmon: da9063: HWMON driver

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Date:	Sun, 23 Mar 2014 20:39:25 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	"Opensource [Steve Twiss]" <stwiss.opensource@...semi.com>,
	Jean Delvare <jdelvare@...e.de>
CC:	David Dajun Chen <david.chen@...semi.com>,
	LINUX-DOC <linux-doc@...r.kernel.org>,
	LINUX-KERNEL <linux-kernel@...r.kernel.org>,
	LM-SENSORS <lm-sensors@...sensors.org>,
	Lee Jones <lee.jones@...aro.org>,
	Mark Brown <broonie@...aro.org>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Rob Landley <rob@...dley.net>,
	Samuel Ortiz <sameo@...ux.intel.com>
Subject: Re: [RFC V1 1/3] hwmon: da9063: HWMON driver

On 03/23/2014 01:37 PM, Opensource [Steve Twiss] wrote:
> From: Opensource [Steve Twiss] <stwiss.opensource@...semi.com>
>
> Add the HWMON driver for DA9063
>
> Signed-off-by: Opensource [Steve Twiss] <stwiss.opensource@...semi.com>
> ---
> Checks performed with linux-next/next-20140321/scripts/checkpatch.pl
>   da9063-hwmon.c            total: 0 errors, 0 warnings, 456 lines checked
>   Kconfig                   total: 1 errors, 3 warnings, 1643 lines checked
>   Makefile                  total: 0 errors, 0 warnings, 154 lines checked
>   registers.h               total: 0 errors, 0 warnings, 1066 lines checked
> There are errors and warning in Kconfig, however they are not caused
> by this patch.
>
> This is the hardware monitor driver component for DA9063 PMIC.
>
> The manual measurement allows monitoring of the system voltage
> VSYS, the auxiliary channels ADCIN1, ADCIN2 and ADCIN3, VBBAT
> measures of the backup battery voltage and a Tjunc value for the
> internal junction temperature sensor.
>

At least this part belongs into the summary.

After browsing through patch 2/3, I got suspicious and tried to compile
the driver after applying this patch.

Here is the result:

drivers/hwmon/da9063-hwmon.c: In function 'da9063_adc_manual_read':
drivers/hwmon/da9063-hwmon.c:155:2: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
drivers/hwmon/da9063-hwmon.c: In function 'da9063_hwmon_probe':
drivers/hwmon/da9063-hwmon.c:386:14: error: 'struct da9063_pdata' has no member named 'hwmon_pdata'
drivers/hwmon/da9063-hwmon.c:387:14: error: 'struct da9063_pdata' has no member named 'hwmon_pdata'
drivers/hwmon/da9063-hwmon.c:388:14: error: 'struct da9063_pdata' has no member named 'hwmon_pdata'
drivers/hwmon/da9063-hwmon.c:417:50: error: 'struct da9063' has no member named 't_offset'
make[1]: *** [drivers/hwmon/da9063-hwmon.o] Error 1
make: *** [drivers/hwmon/da9063-hwmon.ko] Error 2

Please make sure that each patch, if applied one after another, compiles.
Patch 1/3 must not depend on patch 2/3.

Thanks,
Guenter

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