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SubjectRe: [PATCH] nvmem: Change to unified property interface
Hi Kevin,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.12-rc5 next-20210329]
[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/0day-ci/linux/commits/Kevin-Paul-Herbert/nvmem-Change-to-unified-property-interface/20210330-064121
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 1e43c377a79f9189fea8f2711b399d4e8b4e609b
config: mips-allmodconfig (attached as .config)
compiler: mips-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
# https://github.com/0day-ci/linux/commit/edbc7632702cf638265a6d7180bd8c951cda6ad9
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Kevin-Paul-Herbert/nvmem-Change-to-unified-property-interface/20210330-064121
git checkout edbc7632702cf638265a6d7180bd8c951cda6ad9
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips

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

All errors (new ones prefixed by >>):

drivers/thermal/sprd_thermal.c: In function 'sprd_thm_cal_read':
>> drivers/thermal/sprd_thermal.c:128:9: error: implicit declaration of function 'of_nvmem_cell_get'; did you mean 'nvmem_cell_get'? [-Werror=implicit-function-declaration]
128 | cell = of_nvmem_cell_get(np, cell_id);
| ^~~~~~~~~~~~~~~~~
| nvmem_cell_get
drivers/thermal/sprd_thermal.c:128:7: warning: assignment to 'struct nvmem_cell *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
128 | cell = of_nvmem_cell_get(np, cell_id);
| ^
cc1: some warnings being treated as errors


vim +128 drivers/thermal/sprd_thermal.c

554fdbaf19b188 Freeman Liu 2020-02-18 120
554fdbaf19b188 Freeman Liu 2020-02-18 121 static int sprd_thm_cal_read(struct device_node *np, const char *cell_id,
554fdbaf19b188 Freeman Liu 2020-02-18 122 u32 *val)
554fdbaf19b188 Freeman Liu 2020-02-18 123 {
554fdbaf19b188 Freeman Liu 2020-02-18 124 struct nvmem_cell *cell;
554fdbaf19b188 Freeman Liu 2020-02-18 125 void *buf;
554fdbaf19b188 Freeman Liu 2020-02-18 126 size_t len;
554fdbaf19b188 Freeman Liu 2020-02-18 127
554fdbaf19b188 Freeman Liu 2020-02-18 @128 cell = of_nvmem_cell_get(np, cell_id);
554fdbaf19b188 Freeman Liu 2020-02-18 129 if (IS_ERR(cell))
554fdbaf19b188 Freeman Liu 2020-02-18 130 return PTR_ERR(cell);
554fdbaf19b188 Freeman Liu 2020-02-18 131
554fdbaf19b188 Freeman Liu 2020-02-18 132 buf = nvmem_cell_read(cell, &len);
554fdbaf19b188 Freeman Liu 2020-02-18 133 nvmem_cell_put(cell);
554fdbaf19b188 Freeman Liu 2020-02-18 134 if (IS_ERR(buf))
554fdbaf19b188 Freeman Liu 2020-02-18 135 return PTR_ERR(buf);
554fdbaf19b188 Freeman Liu 2020-02-18 136
554fdbaf19b188 Freeman Liu 2020-02-18 137 if (len > sizeof(u32)) {
554fdbaf19b188 Freeman Liu 2020-02-18 138 kfree(buf);
554fdbaf19b188 Freeman Liu 2020-02-18 139 return -EINVAL;
554fdbaf19b188 Freeman Liu 2020-02-18 140 }
554fdbaf19b188 Freeman Liu 2020-02-18 141
554fdbaf19b188 Freeman Liu 2020-02-18 142 memcpy(val, buf, len);
554fdbaf19b188 Freeman Liu 2020-02-18 143
554fdbaf19b188 Freeman Liu 2020-02-18 144 kfree(buf);
554fdbaf19b188 Freeman Liu 2020-02-18 145 return 0;
554fdbaf19b188 Freeman Liu 2020-02-18 146 }
554fdbaf19b188 Freeman Liu 2020-02-18 147

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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