On Mar 30, 2012, at 12:38 AM, Shawn Guo wrote: > Freescale PowerPC SoCs share a number of IP blocks with Freescale > ARM/IMX SoCs, FlexCAN, SSI, FEC, eSDHC, USB, etc. There are some > effort consolidating those drivers to make them work for both > architectures. > > One outstanding difference between two architectures is ARM/IMX will > turn off module clocks during platform initialization for power saving > and expects drivers manage clocks using clk API, while PowerPC > mostly does not do that, and thus does not always build in clk API. > > Listing all those driver Kconfig options in "select PPC_CLOCK if" seems > not scalable for long term maintenance, and could easily introduce > Kconfig recursive dependency. This patch chooses to select PPC_CLOCK > unconditionally for FSL_SOC to always build clk API for PowerPC in. > > Signed-off-by: Shawn Guo <shawn....@linaro.org> > --- > arch/powerpc/Kconfig | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-)
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