drivers/media/i2c/tc358746.c:1279:(.text.tc358746_probe+0x4ac): undefined reference to `devm_clk_hw_register'

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   3b3bea6d4b9c162f9e555905d96b8c1da67ecd5b
commit: 4fbdd56edf1f0b3e338c90a011bbae1a677ac884 m68k: Enable dead code elimination
date:   10 months ago
config: m68k-randconfig-r062-20260428 (https://download.01.org/0day-ci/archive/20260428/202604281338.QFAJ2bBa-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 14.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260428/202604281338.QFAJ2bBa-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Fixes: 4fbdd56edf1f ("m68k: Enable dead code elimination")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202604281338.QFAJ2bBa-lkp@intel.com/

All errors (new ones prefixed by >>):

   m68k-linux-ld: drivers/media/i2c/tc358746.o: in function `tc358746_probe':
>> drivers/media/i2c/tc358746.c:1279:(.text.tc358746_probe+0x4ac): undefined reference to `devm_clk_hw_register'
>> m68k-linux-ld: drivers/media/i2c/tc358746.c:1285:(.text.tc358746_probe+0x4be): undefined reference to `of_clk_hw_simple_get'
>> m68k-linux-ld: drivers/media/i2c/tc358746.c:1285:(.text.tc358746_probe+0x4c6): undefined reference to `devm_of_clk_add_hw_provider'


vim +1279 drivers/media/i2c/tc358746.c

80a21da360516f Marco Felsch 2022-09-30  1256  
80a21da360516f Marco Felsch 2022-09-30  1257  static int tc358746_setup_mclk_provider(struct tc358746 *tc358746)
80a21da360516f Marco Felsch 2022-09-30  1258  {
80a21da360516f Marco Felsch 2022-09-30  1259  	struct clk_init_data mclk_initdata = { };
80a21da360516f Marco Felsch 2022-09-30  1260  	struct device *dev = tc358746->sd.dev;
80a21da360516f Marco Felsch 2022-09-30  1261  	const char *mclk_name;
80a21da360516f Marco Felsch 2022-09-30  1262  	int err;
80a21da360516f Marco Felsch 2022-09-30  1263  
80a21da360516f Marco Felsch 2022-09-30  1264  	/* MCLK clk provider support is optional */
80a21da360516f Marco Felsch 2022-09-30  1265  	if (!device_property_present(dev, "#clock-cells"))
80a21da360516f Marco Felsch 2022-09-30  1266  		return 0;
80a21da360516f Marco Felsch 2022-09-30  1267  
80a21da360516f Marco Felsch 2022-09-30  1268  	/* Init to highest possibel MCLK */
80a21da360516f Marco Felsch 2022-09-30  1269  	tc358746->mclk_postdiv = 512;
80a21da360516f Marco Felsch 2022-09-30  1270  	tc358746->mclk_prediv = 8;
80a21da360516f Marco Felsch 2022-09-30  1271  
80a21da360516f Marco Felsch 2022-09-30  1272  	mclk_name = "tc358746-mclk";
80a21da360516f Marco Felsch 2022-09-30  1273  	device_property_read_string(dev, "clock-output-names", &mclk_name);
80a21da360516f Marco Felsch 2022-09-30  1274  
80a21da360516f Marco Felsch 2022-09-30  1275  	mclk_initdata.name = mclk_name;
80a21da360516f Marco Felsch 2022-09-30  1276  	mclk_initdata.ops = &tc358746_mclk_ops;
80a21da360516f Marco Felsch 2022-09-30  1277  	tc358746->mclk_hw.init = &mclk_initdata;
80a21da360516f Marco Felsch 2022-09-30  1278  
80a21da360516f Marco Felsch 2022-09-30 @1279  	err = devm_clk_hw_register(dev, &tc358746->mclk_hw);
80a21da360516f Marco Felsch 2022-09-30  1280  	if (err) {
80a21da360516f Marco Felsch 2022-09-30  1281  		dev_err(dev, "Failed to register mclk provider\n");
80a21da360516f Marco Felsch 2022-09-30  1282  		return err;
80a21da360516f Marco Felsch 2022-09-30  1283  	}
80a21da360516f Marco Felsch 2022-09-30  1284  
80a21da360516f Marco Felsch 2022-09-30 @1285  	err = devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get,
80a21da360516f Marco Felsch 2022-09-30  1286  					  &tc358746->mclk_hw);
80a21da360516f Marco Felsch 2022-09-30  1287  	if (err)
80a21da360516f Marco Felsch 2022-09-30  1288  		dev_err(dev, "Failed to add mclk provider\n");
80a21da360516f Marco Felsch 2022-09-30  1289  
80a21da360516f Marco Felsch 2022-09-30  1290  	return err;
80a21da360516f Marco Felsch 2022-09-30  1291  }
80a21da360516f Marco Felsch 2022-09-30  1292  

:::::: The code at line 1279 was first introduced by commit
:::::: 80a21da360516fa602f3a50eb9792f9dfbfb5fdb media: tc358746: add Toshiba TC358746 Parallel to CSI-2 bridge driver

:::::: TO: Marco Felsch <m.felsch@pengutronix.de>
:::::: CC: Sakari Ailus <sakari.ailus@linux.intel.com>

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