linux-kernel - [vireshk-pm:opp/config 26/33] drivers/memory/tegra/tegra124-emc.c:1401:20: error: use of undeclared identifier 'hw_versions'; did you mean 'hw

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Date:   Thu, 26 May 2022 03:02:23 +0800
From:   kernel test robot <lkp@...el.com>
To:     Viresh Kumar <viresh.kumar@...aro.org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [vireshk-pm:opp/config 26/33]
 drivers/memory/tegra/tegra124-emc.c:1401:20: error: use of undeclared
 identifier 'hw_versions'; did you mean 'hw_version'?

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm.git opp/config
head:   d730dc101c586defb49eeafd8eea9b7bb0baa01b
commit: c2dbafb4076bf639babb279975e034a050d9b72a [26/33] media: tegra: Migrate to dev_pm_opp_set_config()
config: arm64-randconfig-r031-20220524 (https://download.01.org/0day-ci/archive/20220526/202205260254.LPPZybMA-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d52a6e75b0c402c7f3b42a2b1b2873f151220947)
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
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm.git/commit/?id=c2dbafb4076bf639babb279975e034a050d9b72a
        git remote add vireshk-pm https://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm.git
        git fetch --no-tags vireshk-pm opp/config
        git checkout c2dbafb4076bf639babb279975e034a050d9b72a
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> drivers/memory/tegra/tegra124-emc.c:1401:20: error: use of undeclared identifier 'hw_versions'; did you mean 'hw_version'?
                   .supported_hw = &hw_versions,
                                    ^~~~~~~~~~~
                                    hw_version
   drivers/memory/tegra/tegra124-emc.c:1397:6: note: 'hw_version' declared here
           u32 hw_version = BIT(tegra_sku_info.soc_speedo_id);
               ^
   1 error generated.


vim +1401 drivers/memory/tegra/tegra124-emc.c

  1394	
  1395	static int tegra_emc_opp_table_init(struct tegra_emc *emc)
  1396	{
  1397		u32 hw_version = BIT(tegra_sku_info.soc_speedo_id);
  1398		struct opp_table *opp_table;
  1399		int err;
  1400		struct dev_pm_opp_config config = {
> 1401			.supported_hw = &hw_versions,
  1402			.supported_hw_count = 1,
  1403		};
  1404	
  1405		opp_table = dev_pm_opp_set_config(emc->dev, &config);
  1406		err = PTR_ERR_OR_ZERO(opp_table);
  1407		if (err) {
  1408			dev_err(emc->dev, "failed to set OPP config: %d\n", err);
  1409			return err;
  1410		}
  1411	
  1412		err = dev_pm_opp_of_add_table(emc->dev);
  1413		if (err) {
  1414			if (err == -ENODEV)
  1415				dev_err(emc->dev, "OPP table not found, please update your device tree\n");
  1416			else
  1417				dev_err(emc->dev, "failed to add OPP table: %d\n", err);
  1418	
  1419			goto put_hw_table;
  1420		}
  1421	
  1422		dev_info_once(emc->dev, "OPP HW ver. 0x%x, current clock rate %lu MHz\n",
  1423			      hw_version, clk_get_rate(emc->clk) / 1000000);
  1424	
  1425		/* first dummy rate-set initializes voltage state */
  1426		err = dev_pm_opp_set_rate(emc->dev, clk_get_rate(emc->clk));
  1427		if (err) {
  1428			dev_err(emc->dev, "failed to initialize OPP clock: %d\n", err);
  1429			goto remove_table;
  1430		}
  1431	
  1432		return 0;
  1433	
  1434	remove_table:
  1435		dev_pm_opp_of_remove_table(emc->dev);
  1436	put_hw_table:
  1437		dev_pm_opp_clear_config(opp_table);
  1438	
  1439		return err;
  1440	}
  1441	

-- 
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https://01.org/lkp