linux-kernel - Re: [TEST PATCH] rtc: convert ds1307 to interim probe

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Date:	Mon, 13 Jun 2016 05:26:56 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Kieran Bingham <kieran@...uared.org.uk>
Cc:	kbuild-all@...org, kieran@...uared.org.uk,
	Wolfram Sang <wsa@...-dreams.de>,
	Javier Martinez Canillas <javier@....samsung.com>,
	Lee Jones <lee.jones@...aro.org>, linux-i2c@...r.kernel.org,
	linux-kernel@...r.kernel.org, grant.likely@...aro.org,
	sameo@...ux.intel.com
Subject: Re: [TEST PATCH] rtc: convert ds1307 to interim probe_new

Hi,

[auto build test ERROR on abelloni/rtc-next]
[also build test ERROR on v4.7-rc3 next-20160609]
[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/Kieran-Bingham/rtc-convert-ds1307-to-interim-probe_new/20160613-051618
base:   https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next
config: sparc64-allmodconfig (attached as .config)
compiler: sparc64-linux-gnu-gcc (Debian 5.3.1-8) 5.3.1 20160205
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=sparc64 

All error/warnings (new ones prefixed by >>):

   drivers/rtc/rtc-ds1307.c: In function 'ds1307_probe':
>> drivers/rtc/rtc-ds1307.c:1262:9: error: implicit declaration of function 'i2c_of_match_device' [-Werror=implicit-function-declaration]
     idof = i2c_of_match_device(ds1307_dt_ids, client);
            ^
>> drivers/rtc/rtc-ds1307.c:1262:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
     idof = i2c_of_match_device(ds1307_dt_ids, client);
          ^
>> drivers/rtc/rtc-ds1307.c:1269:16: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     chip = &chips[(int)idof->data];
                   ^
   drivers/rtc/rtc-ds1307.c:1274:17: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     ds1307->type = (int) idof->data;
                    ^
   drivers/rtc/rtc-ds1307.c: At top level:
>> drivers/rtc/rtc-ds1307.c:1634:2: error: unknown field 'probe_new' specified in initializer
     .probe_new = ds1307_probe,
     ^
>> drivers/rtc/rtc-ds1307.c:1634:15: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types]
     .probe_new = ds1307_probe,
                  ^
   drivers/rtc/rtc-ds1307.c:1634:15: note: (near initialization for 'ds1307_driver.id_table')
   cc1: some warnings being treated as errors

vim +/i2c_of_match_device +1262 drivers/rtc/rtc-ds1307.c

  1256	
  1257		ds1307 = devm_kzalloc(&client->dev, sizeof(struct ds1307), GFP_KERNEL);
  1258		if (!ds1307)
  1259			return -ENOMEM;
  1260	
  1261		/* If we've got this far, this shouldn't be able to fail - but check anyway for now */
> 1262		idof = i2c_of_match_device(ds1307_dt_ids, client);
  1263		if (!idof) {
  1264			dev_err(&client->dev, "Probe failed to find an id entry\n");
  1265			return -ENODEV;
  1266		}
  1267	
  1268		/* Now we can set our chip entry */
> 1269		chip = &chips[(int)idof->data];
  1270	
  1271		i2c_set_clientdata(client, ds1307);
  1272	
  1273		ds1307->client	= client;
> 1274		ds1307->type	= (int) idof->data;
  1275	
  1276		if (!pdata && client->dev.of_node)
  1277			ds1307_trickle_of_init(client, chip);

---
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