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[ Upstream commitf47c1b77d0] The clk_save_context() and clk_restore_context() helpers are only implemented by the Common Clock Framework. They are not available when using legacy clock frameworks. Dummy implementations are provided, but only if no clock support is available at all. Hence when CONFIG_HAVE_CLK=y, but CONFIG_COMMON_CLK is not enabled: m68k-linux-gnu-ld: drivers/net/phy/air_en8811h.o: in function `en8811h_resume': air_en8811h.c:(.text+0x83e): undefined reference to `clk_restore_context' m68k-linux-gnu-ld: drivers/net/phy/air_en8811h.o: in function `en8811h_suspend': air_en8811h.c:(.text+0x856): undefined reference to `clk_save_context' Fix this by moving forward declarations and dummy implementions from the HAVE_CLK to the COMMON_CLK section. Fixes:8b95d1ce33("clk: Add functions to save/restore clock context en-masse") Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202511301553.eaEz1nEW-lkp@intel.com/ Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>