linux-kernel - Re: [PATCH linux v6 1/6] hwmon: Add core On-Chip Controller support for POWER CPUs

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Message-Id: <20a5cf57f31190f76db1dbdf018c86ed@linux.vnet.ibm.com>
Date:   Tue, 07 Feb 2017 17:11:25 -0600
From:   eajames <eajames@...ux.vnet.ibm.com>
To:     "Edward A. James" <eajames@...ibm.com>
Cc:     linux@...ck-us.net, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-hwmon@...r.kernel.org,
        linux-doc@...r.kernel.org, jdelvare@...e.com, corbet@....net,
        mark.rutland@....com, robh+dt@...nel.org, wsa@...-dreams.de,
        andrew@...id.au, joel@....id.au, benh@...nel.crashing.org
Subject: Re: [PATCH linux v6 1/6] hwmon: Add core On-Chip Controller support
 for POWER CPUs

Pushing up v7 to fix this compile warning. No other changes.

On 2017-02-06 17:21, kbuild test robot wrote:
> Hi Edward,
> 
> [auto build test WARNING on hwmon/hwmon-next]
> [also build test WARNING on v4.10-rc7 next-20170206]
> [cannot apply to linux/master]
> [if your patch is applied to the wrong git tree, please drop us a note
> to help improve the system]
> 
> url:
> https://github.com/0day-ci/linux/commits/eajames-linux-vnet-ibm-com/drivers-hwmon-Add-On-Chip-Controller-driver/20170207-043353
> base:
> https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git
> hwmon-next
> config: openrisc-allyesconfig (attached as .config)
> compiler: or32-linux-gcc (GCC) 4.5.1-or32-1.0rc1
> reproduce:
>         wget
> https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross
> -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # save the attached .config to linux build tree
>         make.cross ARCH=openrisc
> 
> All warnings (new ones prefixed by >>):
> 
>    drivers/hwmon/occ/occ.c: In function 'parse_occ_response':
>>> drivers/hwmon/occ/occ.c:127:6: warning: unused variable 'rc'
> 
> vim +/rc +127 drivers/hwmon/occ/occ.c
> 
>    111		struct device *dev;
>    112		void *bus;
>    113		struct occ_bus_ops bus_ops;
>    114		struct occ_ops ops;
>    115		struct occ_config config;
>    116		unsigned long last_updated;
>    117		struct mutex update_lock;
>    118		struct occ_response response;
>    119		bool valid;
>    120		u8 *raw_data;
>    121	};
>    122
>    123	static int parse_occ_response(struct occ *driver, u16 num_bytes)
>    124	{
>    125		int b;
>    126		int s;
>  > 127		int rc;
>    128		unsigned int offset = SENSOR_BLOCK_OFFSET;
>    129		int sensor_type;
>    130		u8 num_sensor_blocks;
>    131		struct sensor_data_block_header *block;
>    132		void *sensors;
>    133		struct device *dev = driver->dev;
>    134		u8 *data = driver->raw_data;
>    135		struct occ_response *resp = &driver->response;
> 
> ---
> 0-DAY kernel test infrastructure                Open Source Technology 
> Center
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> Corporation