On Tue, Mar 10, 2020 at 07:16:15PM +0300, Dmitry Osipenko wrote: > 10.03.2020 19:13, Dmitry Osipenko пишет: > > 10.03.2020 18:19, Thierry Reding пишет: > >> From: Joseph Lo > >> > >> Export functions to allow accessing the CAR register required by EMC > >> clock scaling. These functions will be used to access the CAR register > >> as part of the scaling sequence. > >> > >> Signed-off-by: Joseph Lo > >> Signed-off-by: Thierry Reding > >> --- > >> Changes in v5: > >> - remove tegra210_clk_emc_update_setting() which is no longer needed > >> > > ... > >> +EXPORT_SYMBOL_GPL(tegra210_clk_emc_update_setting); > > ... > >> +extern void tegra210_clk_emc_dll_enable(bool flag); > >> +extern void tegra210_clk_emc_dll_update_setting(u32 emc_dll_src_value); > >> +extern void tegra210_clk_emc_update_setting(u32 emc_src_value); > > > > Why these exports are needed given that the EMC driver is built-in? > > > > Also, seems changelog doesn't match the patch itself. I don't understand. These functions access the EMC clock's registers in the CAR. Oh... are you referring to tegra210_clk_emc_update_setting() specifically? Yes, it looks like I forgot to remove the implementation for it. I only removed the prototype. Thierry