Re: [PATCH V1] one wire ds1wm patch

[kbuild test robot <lkp@intel.com>]

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Hi Johannes,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.12-rc6 next-20170619]
[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/Johannes-P-hlmann/one-wire-ds1wm-patch/20170620-011329
config: x86_64-randconfig-x010-201725 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/w1/masters/ds1wm.c: In function 'ds1wm_write_register':
>> drivers/w1/masters/ds1wm.c:126:4: error: implicit declaration of function 'writew_be' [-Werror=implicit-function-declaration]
       writew_be((u16)val, ds1wm_data->map+(reg<<BUSWIDTH16));
       ^~~~~~~~~
>> drivers/w1/masters/ds1wm.c:129:4: error: implicit declaration of function 'writel_be' [-Werror=implicit-function-declaration]
       writel_be((u32)val, ds1wm_data->map+(reg<<BUSWIDTH32));
       ^~~~~~~~~
   drivers/w1/masters/ds1wm.c: In function 'ds1wm_read_register':
>> drivers/w1/masters/ds1wm.c:165:10: error: implicit declaration of function 'readw_be' [-Werror=implicit-function-declaration]
       val = readw_be(ds1wm_data->map + (reg << BUSWIDTH16));
             ^~~~~~~~
>> drivers/w1/masters/ds1wm.c:168:10: error: implicit declaration of function 'readl_be' [-Werror=implicit-function-declaration]
       val = readl_be(ds1wm_data->map + (reg << BUSWIDTH32));
             ^~~~~~~~
   cc1: some warnings being treated as errors

vim +/writew_be +126 drivers/w1/masters/ds1wm.c

   120		if (ds1wm_data->isHwBigEndian) {
   121			switch (ds1wm_data->bus_shift) {
   122			case BUSWIDTH8:
   123				writeb(val, ds1wm_data->map + (reg << BUSWIDTH8));
   124				break;
   125			case BUSWIDTH16:
 > 126				writew_be((u16)val, ds1wm_data->map+(reg<<BUSWIDTH16));
   127				break;
   128			case BUSWIDTH32:
 > 129				writel_be((u32)val, ds1wm_data->map+(reg<<BUSWIDTH32));
   130				break;
   131			default:
   132			  dev_err(&ds1wm_data->pdev->dev,
   133			  "illegal bus shift %d, not written",
   134			  ds1wm_data->bus_shift);
   135			}
   136		} else {
   137			switch (ds1wm_data->bus_shift) {
   138			case BUSWIDTH8:
   139				writeb(val, ds1wm_data->map + (reg << BUSWIDTH8));
   140				break;
   141			case BUSWIDTH16:
   142				writew((u16) val, ds1wm_data->map+(reg << BUSWIDTH16));
   143				break;
   144			case BUSWIDTH32:
   145				writel((u32) val, ds1wm_data->map+(reg << BUSWIDTH32));
   146				break;
   147			default:
   148			  dev_err(&ds1wm_data->pdev->dev,
   149			  "illegal bus shift %d, not written",
   150			  ds1wm_data->bus_shift);
   151			}
   152		}
   153	}
   154	
   155	static inline u8 ds1wm_read_register(struct ds1wm_data *ds1wm_data, u32 reg)
   156	{
   157	
   158		u32 val = 0;
   159		if (ds1wm_data->isHwBigEndian) {
   160			switch (ds1wm_data->bus_shift) {
   161			case BUSWIDTH8:
   162				val = readb(ds1wm_data->map + (reg << BUSWIDTH8));
   163				break;
   164			case BUSWIDTH16:
 > 165				val = readw_be(ds1wm_data->map + (reg << BUSWIDTH16));
   166				break;
   167			case BUSWIDTH32:
 > 168				val = readl_be(ds1wm_data->map + (reg << BUSWIDTH32));
   169				break;
   170			default:
   171			   dev_err(&ds1wm_data->pdev->dev,

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