How to enable 'CONFIG_COMMON_CLK' ?

Adam Lackorzynski adam at os.inf.tu-dresden.de
Mon Apr 28 23:44:36 CEST 2014


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                 adam at os.inf.tu-dresden.de
  Lackorzynski         http://os.inf.tu-dresden.de/~adam/



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