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Message-ID: <202205180421.cGv6R8hi-lkp@intel.com>
Date:   Wed, 18 May 2022 04:27:04 +0800
From:   kernel test robot <lkp@...el.com>
To:     Medad CChien <medadyoung@...il.com>, benjaminfair@...gle.com,
        yuenn@...gle.com, venture@...gle.com, tali.perry1@...il.com,
        tmaimon77@...il.com, avifishman70@...il.com, robh+dt@...nel.org,
        alexandre.belloni@...tlin.com, a.zummo@...ertech.it,
        KWLIU@...oton.com, YSCHU@...oton.com, JJLIU0@...oton.com,
        KFTING@...oton.com, ctcchien@...oton.com
Cc:     kbuild-all@...ts.01.org, openbmc@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-rtc@...r.kernel.org
Subject: Re: [PATCH v1 3/3] RTC: nuvoton: Add NCT3018Y real time clock driver

Hi Medad,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on abelloni/rtc-next]
[also build test ERROR on robh/for-next v5.18-rc7 next-20220517]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/intel-lab-lkp/linux/commits/Medad-CChien/ARM-dts-nuvoton-Add-nuvoton-RTC3018Y-node/20220516-232940
base:   https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next
config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20220518/202205180421.cGv6R8hi-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 11.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/5c51862ee8030cfd9f2e955c10ee580f168663e3
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Medad-CChien/ARM-dts-nuvoton-Add-nuvoton-RTC3018Y-node/20220516-232940
        git checkout 5c51862ee8030cfd9f2e955c10ee580f168663e3
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   drivers/rtc/rtc-nct3018y.c: In function 'nct3018y_rtc_read_time':
   drivers/rtc/rtc-nct3018y.c:192:26: warning: unused variable 'nct3018y' [-Wunused-variable]
     192 |         struct nct3018y *nct3018y = i2c_get_clientdata(client);
         |                          ^~~~~~~~
   drivers/rtc/rtc-nct3018y.c: In function 'nct3018y_rtc_set_time':
   drivers/rtc/rtc-nct3018y.c:227:26: warning: unused variable 'nct3018y' [-Wunused-variable]
     227 |         struct nct3018y *nct3018y = i2c_get_clientdata(client);
         |                          ^~~~~~~~
   drivers/rtc/rtc-nct3018y.c: In function 'nct3018y_rtc_set_alarm':
   drivers/rtc/rtc-nct3018y.c:292:26: warning: unused variable 'nct3018y' [-Wunused-variable]
     292 |         struct nct3018y *nct3018y = i2c_get_clientdata(client);
         |                          ^~~~~~~~
   drivers/rtc/rtc-nct3018y.c: In function 'nct3018y_irq_enable':
   drivers/rtc/rtc-nct3018y.c:322:26: warning: unused variable 'nct3018y' [-Wunused-variable]
     322 |         struct nct3018y *nct3018y = i2c_get_clientdata(client);
         |                          ^~~~~~~~
   In file included from include/linux/printk.h:555,
                    from include/linux/kernel.h:29,
                    from include/linux/cpumask.h:10,
                    from include/linux/smp.h:13,
                    from include/linux/lockdep.h:14,
                    from include/linux/mutex.h:17,
                    from include/linux/kernfs.h:11,
                    from include/linux/sysfs.h:16,
                    from include/linux/kobject.h:20,
                    from include/linux/of.h:17,
                    from include/linux/clk-provider.h:9,
                    from drivers/rtc/rtc-nct3018y.c:5:
   drivers/rtc/rtc-nct3018y.c: In function 'nct3018y_probe':
   drivers/rtc/rtc-nct3018y.c:513:39: warning: format '%d' expects argument of type 'int', but argument 5 has type 'long unsigned int' [-Wformat=]
     513 |                 dev_dbg(&client->dev, "%s: NCT3018Y_BIT_TWO is :%d\n",
         |                                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dynamic_debug.h:134:29: note: in definition of macro '__dynamic_func_call'
     134 |                 func(&id, ##__VA_ARGS__);               \
         |                             ^~~~~~~~~~~
   include/linux/dynamic_debug.h:166:9: note: in expansion of macro '_dynamic_func_call'
     166 |         _dynamic_func_call(fmt,__dynamic_dev_dbg,               \
         |         ^~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:155:9: note: in expansion of macro 'dynamic_dev_dbg'
     155 |         dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~~~~~~~
   include/linux/dev_printk.h:155:30: note: in expansion of macro 'dev_fmt'
     155 |         dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                              ^~~~~~~
   drivers/rtc/rtc-nct3018y.c:513:17: note: in expansion of macro 'dev_dbg'
     513 |                 dev_dbg(&client->dev, "%s: NCT3018Y_BIT_TWO is :%d\n",
         |                 ^~~~~~~
   drivers/rtc/rtc-nct3018y.c:513:66: note: format string is defined here
     513 |                 dev_dbg(&client->dev, "%s: NCT3018Y_BIT_TWO is :%d\n",
         |                                                                 ~^
         |                                                                  |
         |                                                                  int
         |                                                                 %ld
>> drivers/rtc/rtc-nct3018y.c:535:22: error: 'struct rtc_device' has no member named 'uie_unsupported'
     535 |         nct3018y->rtc->uie_unsupported = 1;
         |                      ^~
>> drivers/rtc/rtc-nct3018y.c:561:15: error: implicit declaration of function 'rtc_register_device'; did you mean 'i2c_unregister_device'? [-Werror=implicit-function-declaration]
     561 |         err = rtc_register_device(nct3018y->rtc);
         |               ^~~~~~~~~~~~~~~~~~~
         |               i2c_unregister_device
   cc1: some warnings being treated as errors


vim +535 drivers/rtc/rtc-nct3018y.c

   486	
   487	static int nct3018y_probe(struct i2c_client *client,
   488				  const struct i2c_device_id *id)
   489	{
   490		struct nct3018y *nct3018y;
   491		int err;
   492		unsigned char buf;
   493	
   494		if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
   495			dev_err(&client->dev, "%s: ENODEV\n", __func__);
   496			return -ENODEV;
   497		}
   498	
   499		nct3018y = devm_kzalloc(&client->dev, sizeof(struct nct3018y),
   500					GFP_KERNEL);
   501		if (!nct3018y)
   502			return -ENOMEM;
   503	
   504		i2c_set_clientdata(client, nct3018y);
   505		nct3018y->client = client;
   506		device_set_wakeup_capable(&client->dev, 1);
   507	
   508		err = nct3018y_read_block_data(client, NCT3018Y_REG_CTRL, 1, &buf);
   509		if (err < 0) {
   510			dev_err(&client->dev, "%s: read error\n", __func__);
   511			return err;
   512		} else if (buf & NCT3018Y_BIT_TWO) {
   513			dev_dbg(&client->dev, "%s: NCT3018Y_BIT_TWO is :%d\n",
   514				__func__, buf & NCT3018Y_BIT_TWO);
   515		}
   516	
   517		buf = 0 | NCT3018Y_BIT_TWO;
   518		err = nct3018y_write_block_data(client, NCT3018Y_REG_CTRL, 1, &buf);
   519		if (err < 0) {
   520			dev_err(&client->dev, "%s: write fail, so ReadOnly\n", __func__);
   521		} else {
   522			buf = 0;
   523			err = nct3018y_write_block_data(client, NCT3018Y_REG_ST, 1, &buf);
   524			if (err < 0) {
   525				dev_err(&client->dev, "%s: write error\n", __func__);
   526				return err;
   527			}
   528		}
   529	
   530		nct3018y->rtc = devm_rtc_allocate_device(&client->dev);
   531		if (IS_ERR(nct3018y->rtc))
   532			return PTR_ERR(nct3018y->rtc);
   533	
   534		nct3018y->rtc->ops = &nct3018y_rtc_ops;
 > 535		nct3018y->rtc->uie_unsupported = 1;
   536		nct3018y->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
   537		nct3018y->rtc->range_max = RTC_TIMESTAMP_END_2099;
   538		nct3018y->rtc->set_start_time = true;
   539	
   540		nct3018y->wakeup_host = devm_gpiod_get(&client->dev, "host-wakeup", GPIOD_IN);
   541		if (IS_ERR(nct3018y->wakeup_host)) {
   542			err = PTR_ERR(nct3018y->wakeup_host);
   543			dev_err(&client->dev, "could not get host wakeup gpio: %d", err);
   544			return err;
   545		}
   546		client->irq = gpiod_to_irq(nct3018y->wakeup_host);
   547	
   548		dev_dbg(&client->dev, "%s: client->irq:%d\n", __func__, client->irq);
   549	
   550		if (client->irq > 0) {
   551			err = devm_request_threaded_irq(&client->dev, client->irq,
   552					NULL, nct3018y_irq,
   553					IRQF_ONESHOT | IRQF_TRIGGER_FALLING,
   554					nct3018y_driver.driver.name, client);
   555			if (err) {
   556				dev_err(&client->dev, "unable to request IRQ %d\n", client->irq);
   557				return err;
   558			}
   559		}
   560	
 > 561		err = rtc_register_device(nct3018y->rtc);
   562		if (err)
   563			return err;
   564	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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