linux-kernel - Re: [PATCH] mfd: syscon: set regmap max_register in of_syscon

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Message-ID: <201601300006.Y26AYMjS%fengguang.wu@intel.com>
Date:	Sat, 30 Jan 2016 00:14:27 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Philipp Zabel <p.zabel@...gutronix.de>
Cc:	kbuild-all@...org, Lee Jones <lee.jones@...aro.org>,
	Arnd Bergmann <arnd@...db.de>, linux-kernel@...r.kernel.org,
	kernel@...gutronix.de, Philipp Zabel <p.zabel@...gutronix.de>
Subject: Re: [PATCH] mfd: syscon: set regmap max_register in
 of_syscon_register

Hi Philipp,

[auto build test ERROR on ljones-mfd/for-mfd-next]
[also build test ERROR on v4.5-rc1 next-20160129]
[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/Philipp-Zabel/mfd-syscon-set-regmap-max_register-in-of_syscon_register/20160129-173854
base:   https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next
config: um-allmodconfig (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=um 

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

   /kbuild/src/defs/drivers/platform/goldfish/pdev_bus.c: In function 'goldfish_pdev_bus_probe':
>> /kbuild/src/defs/drivers/platform/goldfish/pdev_bus.c:191:18: error: implicit declaration of function 'ioremap' [-Werror=implicit-function-declaration]
     pdev_bus_base = ioremap(pdev_bus_addr, pdev_bus_len);
                     ^
>> /kbuild/src/defs/drivers/platform/goldfish/pdev_bus.c:191:16: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
     pdev_bus_base = ioremap(pdev_bus_addr, pdev_bus_len);
                   ^
>> /kbuild/src/defs/drivers/platform/goldfish/pdev_bus.c:217:2: error: implicit declaration of function 'iounmap' [-Werror=implicit-function-declaration]
     iounmap(pdev_bus_base);
     ^
   cc1: some warnings being treated as errors
--
   drivers/mfd/syscon.c: In function 'of_syscon_register':
>> drivers/mfd/syscon.c:67:9: error: implicit declaration of function 'ioremap' [-Werror=implicit-function-declaration]
     base = ioremap(res.start, resource_size(&res));
            ^
>> drivers/mfd/syscon.c:67:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
     base = ioremap(res.start, resource_size(&res));
          ^
   drivers/mfd/syscon.c:109:2: error: implicit declaration of function 'iounmap' [-Werror=implicit-function-declaration]
     iounmap(base);
     ^
   cc1: some warnings being treated as errors
--
   /kbuild/src/defs/drivers/mfd/syscon.c: In function 'of_syscon_register':
>> /kbuild/src/defs/drivers/mfd/syscon.c:67:9: error: implicit declaration of function 'ioremap' [-Werror=implicit-function-declaration]
     base = ioremap(res.start, resource_size(&res));
            ^
>> /kbuild/src/defs/drivers/mfd/syscon.c:67:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
     base = ioremap(res.start, resource_size(&res));
          ^
   /kbuild/src/defs/drivers/mfd/syscon.c:109:2: error: implicit declaration of function 'iounmap' [-Werror=implicit-function-declaration]
     iounmap(base);
     ^
   cc1: some warnings being treated as errors

vim +/ioremap +67 drivers/mfd/syscon.c

    61	
    62		if (of_address_to_resource(np, 0, &res)) {
    63			ret = -ENOMEM;
    64			goto err_map;
    65		}
    66	
  > 67		base = ioremap(res.start, resource_size(&res));
    68		if (!base) {
    69			ret = -ENOMEM;
    70			goto err_map;

---
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