tree:   https://github.com/superna9999/linux amlogic/v5.7/khadas-mcu
head:   9109063d9d3d5c699b22293d5099eabb83e0adbc
commit: 9109063d9d3d5c699b22293d5099eabb83e0adbc [4/4] nvmem: add support for the Khadas MCU Programmable User Memory
:::::: branch date: 7 hours ago
:::::: commit date: 7 hours ago

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

cppcheck warnings: (new ones prefixed by >>)

>> drivers/nvmem/khadas-mcu-user-mem.c:42:15: warning: Unused variable: size [unusedVariable]
    unsigned int size;
                 ^
>> drivers/nvmem/khadas-mcu-user-mem.c:43:6: warning: Unused variable: ret [unusedVariable]
    int ret;
        ^

# https://github.com/superna9999/linux/commit/9109063d9d3d5c699b22293d5099eabb83e0adbc
git remote add superna9999 https://github.com/superna9999/linux
git remote update superna9999
git checkout 9109063d9d3d5c699b22293d5099eabb83e0adbc
vim +42 drivers/nvmem/khadas-mcu-user-mem.c

9109063d9d3d5c Neil Armstrong 2020-04-05  35  
9109063d9d3d5c Neil Armstrong 2020-04-05  36  static int khadas_mcu_user_mem_probe(struct platform_device *pdev)
9109063d9d3d5c Neil Armstrong 2020-04-05  37  {
9109063d9d3d5c Neil Armstrong 2020-04-05  38  	struct khadas_mcu *khadas_mcu = dev_get_drvdata(pdev->dev.parent);
9109063d9d3d5c Neil Armstrong 2020-04-05  39  	struct device *dev = &pdev->dev;
9109063d9d3d5c Neil Armstrong 2020-04-05  40  	struct nvmem_device *nvmem;
9109063d9d3d5c Neil Armstrong 2020-04-05  41  	struct nvmem_config *econfig;
9109063d9d3d5c Neil Armstrong 2020-04-05 @42  	unsigned int size;
9109063d9d3d5c Neil Armstrong 2020-04-05 @43  	int ret;
9109063d9d3d5c Neil Armstrong 2020-04-05  44  
9109063d9d3d5c Neil Armstrong 2020-04-05  45  	econfig = devm_kzalloc(dev, sizeof(*econfig), GFP_KERNEL);
9109063d9d3d5c Neil Armstrong 2020-04-05  46  	if (!econfig)
9109063d9d3d5c Neil Armstrong 2020-04-05  47  		return -ENOMEM;
9109063d9d3d5c Neil Armstrong 2020-04-05  48  
9109063d9d3d5c Neil Armstrong 2020-04-05  49  	econfig->dev = dev;
9109063d9d3d5c Neil Armstrong 2020-04-05  50  	econfig->name = dev_name(dev);
9109063d9d3d5c Neil Armstrong 2020-04-05  51  	econfig->stride = 1;
9109063d9d3d5c Neil Armstrong 2020-04-05  52  	econfig->word_size = 1;
9109063d9d3d5c Neil Armstrong 2020-04-05  53  	econfig->reg_read = khadas_mcu_user_mem_read;
9109063d9d3d5c Neil Armstrong 2020-04-05  54  	econfig->reg_write = khadas_mcu_user_mem_write;
9109063d9d3d5c Neil Armstrong 2020-04-05  55  	econfig->size = 56;
9109063d9d3d5c Neil Armstrong 2020-04-05  56  	econfig->priv = khadas_mcu;
9109063d9d3d5c Neil Armstrong 2020-04-05  57  
9109063d9d3d5c Neil Armstrong 2020-04-05  58  	nvmem = devm_nvmem_register(&pdev->dev, econfig);
9109063d9d3d5c Neil Armstrong 2020-04-05  59  
9109063d9d3d5c Neil Armstrong 2020-04-05  60  	return PTR_ERR_OR_ZERO(nvmem);
9109063d9d3d5c Neil Armstrong 2020-04-05  61  }
9109063d9d3d5c Neil Armstrong 2020-04-05  62  

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