linux-kernel - Re: [PATCH 3/6] pinctrl: baytrail: Update gpio chip operations

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Message-ID: <201603252321.gSFnBVFq%fengguang.wu@intel.com>
Date:	Fri, 25 Mar 2016 23:28:22 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Cristina Ciocan <cristina.ciocan@...el.com>
Cc:	kbuild-all@...org, mathias.nyman@...ux.intel.com,
	mika.westerberg@...ux.intel.com, linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org, irina.tirdea@...el.com,
	octavian.purdila@...el.com,
	Cristina Ciocan <cristina.ciocan@...el.com>
Subject: Re: [PATCH 3/6] pinctrl: baytrail: Update gpio chip operations

Hi Cristina,

[auto build test WARNING on pinctrl/for-next]
[also build test WARNING on v4.5 next-20160324]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Cristina-Ciocan/Add-pinctrl-support-for-Baytrail/20160325-225229
base:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git for-next
config: x86_64-randconfig-x004-201612 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   drivers/pinctrl/intel/pinctrl-baytrail.c: In function 'byt_gpio_direction_input':
>> drivers/pinctrl/intel/pinctrl-baytrail.c:1407:6: warning: unused variable 'reg_val' [-Wunused-variable]
     u32 reg_val;
         ^
>> drivers/pinctrl/intel/pinctrl-baytrail.c:1405:16: warning: unused variable 'reg' [-Wunused-variable]
     void __iomem *reg = byt_gpio_reg(vg, offset, BYT_VAL_REG);
                   ^
   drivers/pinctrl/intel/pinctrl-baytrail.c: At top level:
   drivers/pinctrl/intel/pinctrl-baytrail.c:741:43: warning: 'byt_soc_data' defined but not used [-Wunused-variable]
    static const struct byt_pinctrl_soc_data *byt_soc_data[] = {
                                              ^

vim +/reg_val +1407 drivers/pinctrl/intel/pinctrl-baytrail.c

a5d811bb drivers/pinctrl/pinctrl-baytrail.c       Mathias Nyman   2013-06-18  1399  }
a5d811bb drivers/pinctrl/pinctrl-baytrail.c       Mathias Nyman   2013-06-18  1400  
c1df0d70 drivers/pinctrl/intel/pinctrl-baytrail.c Cristina Ciocan 2016-03-25  1401  static int byt_gpio_direction_input(struct gpio_chip *chip, unsigned int offset)
a5d811bb drivers/pinctrl/pinctrl-baytrail.c       Mathias Nyman   2013-06-18  1402  {
bf9a5c96 drivers/pinctrl/intel/pinctrl-baytrail.c Linus Walleij   2015-12-08  1403  	struct byt_gpio *vg = gpiochip_get_data(chip);
c1df0d70 drivers/pinctrl/intel/pinctrl-baytrail.c Cristina Ciocan 2016-03-25  1404  	void __iomem *conf_reg = byt_gpio_reg(vg, offset, BYT_CONF0_REG);
c1df0d70 drivers/pinctrl/intel/pinctrl-baytrail.c Cristina Ciocan 2016-03-25 @1405  	void __iomem *reg = byt_gpio_reg(vg, offset, BYT_VAL_REG);
a5d811bb drivers/pinctrl/pinctrl-baytrail.c       Mathias Nyman   2013-06-18  1406  	unsigned long flags;
a5d811bb drivers/pinctrl/pinctrl-baytrail.c       Mathias Nyman   2013-06-18 @1407  	u32 reg_val;
a5d811bb drivers/pinctrl/pinctrl-baytrail.c       Mathias Nyman   2013-06-18  1408  
78e1c896 drivers/pinctrl/intel/pinctrl-baytrail.c Mika Westerberg 2015-08-17  1409  	raw_spin_lock_irqsave(&vg->lock, flags);
a5d811bb drivers/pinctrl/pinctrl-baytrail.c       Mathias Nyman   2013-06-18  1410  

:::::: The code at line 1407 was first introduced by commit
:::::: a5d811bbf1c6df86cfe23948059ea614554b9f19 pinctrl: add Intel BayTrail GPIO/pinctrl support

:::::: TO: Mathias Nyman <mathias.nyman@...ux.intel.com>
:::::: CC: Linus Walleij <linus.walleij@...aro.org>

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