On Tue, Aug 13, 2019 at 05:36:41AM +0300, Dmitry Osipenko wrote: > 13.08.2019 2:12, Michał Mirosław пишет: > > On Mon, Aug 12, 2019 at 12:00:29AM +0300, Dmitry Osipenko wrote: > >> A proper External Memory Controller clock rounding and parent selection > >> functionality is required by the EMC drivers, it is not available using > >> the generic clock implementation because only the Memory Controller driver > >> is aware of what clock rates are actually available for a particular > >> device. EMC drivers will have to register a Tegra-specific CLK-API > >> callback which will perform rounding of a requested rate. EMC clock users > >> won't be able to request EMC clock by getting -EPROBE_DEFER until EMC > >> driver is probed and the callback is set up. > > [...] > >> diff --git a/drivers/clk/tegra/Makefile b/drivers/clk/tegra/Makefile > >> index 4812e45c2214..df966ca06788 100644 > >> --- a/drivers/clk/tegra/Makefile > >> +++ b/drivers/clk/tegra/Makefile > >> @@ -17,7 +17,9 @@ obj-y += clk-tegra-fixed.o > >> obj-y += clk-tegra-super-gen4.o > >> obj-$(CONFIG_TEGRA_CLK_EMC) += clk-emc.o > >> obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += clk-tegra20.o > >> +obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += clk-tegra20-emc.o > >> obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += clk-tegra30.o > >> +obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += clk-tegra20-emc.o > >> obj-$(CONFIG_ARCH_TEGRA_114_SOC) += clk-tegra114.o > >> obj-$(CONFIG_ARCH_TEGRA_124_SOC) += clk-tegra124.o > >> obj-$(CONFIG_TEGRA_CLK_DFLL) += clk-tegra124-dfll-fcpu.o > > > > Doesn't it complain when both CONFIG_ARCH_TEGRA_2x_SOC and > > CONFIG_ARCH_TEGRA_3x_SOC are enabled at the same time? > > No, at least not with my toolchain setup. Are you getting some warning? Kbuild actually filters out duplicates to facilitate this kind of construct. Thierry
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