On Fri, Apr 03, 2020 at 09:02:35PM +0800, kbuild test robot wrote: [...] > Reported-by: kbuild test robot <lkp@xxxxxxxxx> > > All warnings (new ones prefixed by >>): > > >> drivers/mmc/host/sdhci.o: warning: objtool: sdhci_calc_clk() falls through to next function sdhci_set_clock() This looks like false positive, as there is 'return clk;' at the function's end untouched by the patches. Best Regards, Michał Mirosław