Re: [PATCH v7 7/9] clk: hisilicon: Migrate devm APIs

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

Hi David,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on 6015b1aca1a233379625385feb01dd014aca60b5]

url:    https://github.com/intel-lab-lkp/linux/commits/David-Yang/clk-hisilicon-Rename-Hi3798CV200-to-Hi3798/20230323-004453
base:   6015b1aca1a233379625385feb01dd014aca60b5
patch link:    https://lore.kernel.org/r/20230322164201.2454771-8-mmyangfl%40gmail.com
patch subject: [PATCH v7 7/9] clk: hisilicon: Migrate devm APIs
config: arm-allmodconfig (https://download.01.org/0day-ci/archive/20230323/202303231400.ccfrqXUI-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
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/intel-lab-lkp/linux/commit/8d88e46ef325130e4dd516ce36e3e0484bc52230
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review David-Yang/clk-hisilicon-Rename-Hi3798CV200-to-Hi3798/20230323-004453
        git checkout 8d88e46ef325130e4dd516ce36e3e0484bc52230
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/clk/hisilicon/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303231400.ccfrqXUI-lkp@intel.com/

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

   In file included from include/linux/device.h:15,
                    from drivers/clk/hisilicon/clk-hi3620.c:14:
   drivers/clk/hisilicon/clk-hi3620.c: In function 'clk_register_hisi_mmc':
>> drivers/clk/hisilicon/clk-hi3620.c:435:35: error: 'clks' undeclared (first use in this function); did you mean 'clk'?
     435 |                         __func__, clks[i].name);
         |                                   ^~~~
   include/linux/dev_printk.h:110:37: note: in definition of macro 'dev_printk_index_wrap'
     110 |                 _p_func(dev, fmt, ##__VA_ARGS__);                       \
         |                                     ^~~~~~~~~~~
   drivers/clk/hisilicon/clk-hi3620.c:434:17: note: in expansion of macro 'dev_err'
     434 |                 dev_err(dev, "%s: failed to register clock %s\n",
         |                 ^~~~~~~
   drivers/clk/hisilicon/clk-hi3620.c:435:35: note: each undeclared identifier is reported only once for each function it appears in
     435 |                         __func__, clks[i].name);
         |                                   ^~~~
   include/linux/dev_printk.h:110:37: note: in definition of macro 'dev_printk_index_wrap'
     110 |                 _p_func(dev, fmt, ##__VA_ARGS__);                       \
         |                                     ^~~~~~~~~~~
   drivers/clk/hisilicon/clk-hi3620.c:434:17: note: in expansion of macro 'dev_err'
     434 |                 dev_err(dev, "%s: failed to register clock %s\n",
         |                 ^~~~~~~
>> drivers/clk/hisilicon/clk-hi3620.c:435:40: error: 'i' undeclared (first use in this function)
     435 |                         __func__, clks[i].name);
         |                                        ^
   include/linux/dev_printk.h:110:37: note: in definition of macro 'dev_printk_index_wrap'
     110 |                 _p_func(dev, fmt, ##__VA_ARGS__);                       \
         |                                     ^~~~~~~~~~~
   drivers/clk/hisilicon/clk-hi3620.c:434:17: note: in expansion of macro 'dev_err'
     434 |                 dev_err(dev, "%s: failed to register clock %s\n",
         |                 ^~~~~~~
>> drivers/clk/hisilicon/clk-hi3620.c:436:24: warning: returning 'int' from a function with return type 'struct clk_hw *' makes pointer from integer without a cast [-Wint-conversion]
     436 |                 return ret;
         |                        ^~~
--
   drivers/clk/hisilicon/clk-hix5hd2.c: In function 'hix5hd2_clk_register_complex':
   drivers/clk/hisilicon/clk-hix5hd2.c:260:46: warning: initialization discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
     260 |         struct hix5hd2_complex_clock *clks = clocks;
         |                                              ^~~~~~
>> drivers/clk/hisilicon/clk-hix5hd2.c:300:31: error: 'data->clk_data' is a pointer; did you mean to use '->'?
     300 |                 data->clk_data.clks[clks[i].id] = clk;
         |                               ^
         |                               ->


vim +435 drivers/clk/hisilicon/clk-hi3620.c

   399	
   400	static struct clk_hw *
   401	clk_register_hisi_mmc(struct device *dev, const struct hisi_mmc_clock *mmc_clk,
   402			      void __iomem *base)
   403	{
   404		struct clk_mmc *mclk;
   405		struct clk_init_data init;
   406		int ret;
   407	
   408		mclk = devm_kzalloc(dev, sizeof(*mclk), GFP_KERNEL);
   409		if (!mclk)
   410			return ERR_PTR(-ENOMEM);
   411	
   412		init.name = mmc_clk->name;
   413		init.ops = &clk_mmc_ops;
   414		init.flags = mmc_clk->flags;
   415		init.parent_names = (mmc_clk->parent_name ? &mmc_clk->parent_name : NULL);
   416		init.num_parents = (mmc_clk->parent_name ? 1 : 0);
   417		mclk->hw.init = &init;
   418	
   419		mclk->id = mmc_clk->id;
   420		mclk->clken_reg = base + mmc_clk->clken_reg;
   421		mclk->clken_bit = mmc_clk->clken_bit;
   422		mclk->div_reg = base + mmc_clk->div_reg;
   423		mclk->div_off = mmc_clk->div_off;
   424		mclk->div_bits = mmc_clk->div_bits;
   425		mclk->drv_reg = base + mmc_clk->drv_reg;
   426		mclk->drv_off = mmc_clk->drv_off;
   427		mclk->drv_bits = mmc_clk->drv_bits;
   428		mclk->sam_reg = base + mmc_clk->sam_reg;
   429		mclk->sam_off = mmc_clk->sam_off;
   430		mclk->sam_bits = mmc_clk->sam_bits;
   431	
   432		ret = devm_clk_hw_register(dev, &mclk->hw);
   433		if (ret) {
   434			dev_err(dev, "%s: failed to register clock %s\n",
 > 435				__func__, clks[i].name);
 > 436			return ret;
   437		}
   438	
   439		return &mclk->hw;
   440	}
   441	

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