Re: How to enable 'CONFIG_COMMON_CLK' ?
Adam Lackorzynski <[email protected]>
| Newsgroups | gmane.comp.micro-kernel.l4.devel |
|---|---|
| Message-ID | <[email protected]> |
On Mon Apr 28, 2014 at 18:51:13 +0900, Taeung wrote: > I'm trying to build L4 Linux with added option of MMC device driver. > > When I've tried to compile L4 Linux , I've failed it with error log such > as.. > ============== > drivers/built-in.o: In function `sdhci_pltfm_clk_get_max_clock': > /home/taeung/test/source/l4linux/drivers/mmc/host/sdhci-pltfm.c:43: > undefined reference to `clk_get_rate' > make[1]: *** [vmlinux] Error 1 > make: *** [sub-make] Error 2 > ============== > > After I saw the log , I've guessed the cause is that 'drivers/clk/clk.c' > was not built. > So, I must enable 'CONFIG_COMMON_CLK' , to build 'drivers/clk/clk.c' > > How to enable 'CONFIG_COMMON_CLK' ? You need to add 'select COMMON_CLK' to some platform config block (such as L4_PLATFORM_GENERIC). Adam -- Adam [email protected] Lackorzynski http://os.inf.tu-dresden.de/~adam/