tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 9cb1fd0efd195590b828b9b865421ad345a4a145 commit: 2a7e7274f3d43d2a072cab25c0035dc994903bb9 mfd: sc27xx: Add USB charger type detection support date: 8 weeks ago config: h8300-randconfig-r006-20200526 (attached as .config) compiler: h8300-linux-gcc (GCC) 9.3.0 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 git checkout 2a7e7274f3d43d2a072cab25c0035dc994903bb9 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=h8300
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <l...@intel.com>
All warnings (new ones prefixed by >>, old ones prefixed by <<):
>> drivers/mfd/sprd-sc27xx-spi.c:59:23: warning: no previous prototype for
>> 'sprd_pmic_detect_charger_type' [-Wmissing-prototypes]
59 | enum usb_charger_type sprd_pmic_detect_charger_type(struct device *dev)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +/sprd_pmic_detect_charger_type +59 drivers/mfd/sprd-sc27xx-spi.c
58
> 59 enum usb_charger_type sprd_pmic_detect_charger_type(struct device *dev)
60 {
61 struct spi_device *spi = to_spi_device(dev);
62 struct sprd_pmic *ddata = spi_get_drvdata(spi);
63 const struct sprd_pmic_data *pdata = ddata->pdata;
64 enum usb_charger_type type;
65 u32 val;
66 int ret;
67
68 ret = regmap_read_poll_timeout(ddata->regmap,
pdata->charger_det, val,
69 (val & SPRD_PMIC_CHG_DET_DONE),
70 SPRD_PMIC_CHG_DET_DELAY_US,
71 SPRD_PMIC_CHG_DET_TIMEOUT);
72 if (ret) {
73 dev_err(&spi->dev, "failed to detect charger type\n");
74 return UNKNOWN_TYPE;
75 }
76
77 switch (val & SPRD_PMIC_CHG_TYPE_MASK) {
78 case SPRD_PMIC_CDP_TYPE:
79 type = CDP_TYPE;
80 break;
81 case SPRD_PMIC_DCP_TYPE:
82 type = DCP_TYPE;
83 break;
84 case SPRD_PMIC_SDP_TYPE:
85 type = SDP_TYPE;
86 break;
87 default:
88 type = UNKNOWN_TYPE;
89 break;
90 }
91
92 return type;
93 }
94 EXPORT_SYMBOL_GPL(sprd_pmic_detect_charger_type);
95
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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
