drivers/base/regmap/regmap-irq.o: warning: objtool: read_irq_data+0x6d8: unreachable instruction

drivers/base/regmap/regmap-irq.o: warning: objtool: read_irq_data+0x6d8: unreachable instruction

[kernel test robot]

:::::: 
:::::: Manual check reason: "loongarch: unreachable instruction"
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: "Mathieu Dubois-Briand" <mathieu.dubois-briand@bootlin.com>
CC: Mark Brown <broonie@kernel.org>
CC: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

Hi Mathieu,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   2b414a95b8f7307d42173ba9e580d6d3e2bcbfce
commit: 1c12fbdf40e17df2efc24bf2009a0c3bfa75bfa7 regmap: irq: Add support for chips without separate IRQ status
date:   1 year, 1 month ago
:::::: branch date: 2 days ago
:::::: commit date: 1 year, 1 month ago
config: loongarch-randconfig-r064-20260608 (https://download.01.org/0day-ci/archive/20260613/202606131353.cjEkOhLi-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260613/202606131353.cjEkOhLi-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: 1c12fbdf40e1 ("regmap: irq: Add support for chips without separate IRQ status")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/r/202606131353.cjEkOhLi-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/base/regmap/regmap-irq.o: warning: objtool: read_irq_data+0x6d8: unreachable instruction

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