Thara Gopinath had written, on 07/13/2010 12:47 AM, the following:
This patch series does some clean up of the opp layer
including removal of compilation warnings, avoiding wrong inclusioin
of header files, correcting some srror checks and removing the dependency
of opp layer on cpu freq layer.
Apart from all these there is still one more concern i have in this generic
opp layer. This is regarding the separate PMIC opp file opp_twl_tps.c which
today caters to only twl4030 and twl5030 pmic. What is the approach to be
taken if the PMIC changes? I am already facing this issue with OMAP4 where
the PMIC is twl6030 and the formulas for converting vsel into voltage and
vice versa are different. I am against adding another file for twl6030. The
approach is not scalable. We need to keep these vsel to uV and vice versa
convertion in one place or make them functions pointers.
why is opp_twl_tps.c unable to decide the vsel conversion routines based
on twl version? it seems to me (only watching l-o - not dug inside
twl6030 datamanual), that rest of 6030 code seem to share 5030 codebase
mostly..
on a side note - this is a bigger problem for voltage.c which seem to
have some ingrained idea that each step is 12.5mV and delays are coded
in.. but not related to opp layer at all.
Thara Gopinath (4):
OMAP: Fix the compilation warning in the opp layer
OMAP: Correct the return value check after call into find_device_opp
OMAP: Remove inclusion of PMIC specific header file in generic opp
layer.
OMAP: Remove dependency of generic opp layer on cpufreq.
This specific series once the minor comment provided is looking good to me.
arch/arm/plat-omap/Makefile | 4 ++--
arch/arm/plat-omap/include/plat/opp.h | 4 ++--
arch/arm/plat-omap/opp.c | 7 +++----
3 files changed, 7 insertions(+), 8 deletions(-)
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Regards,
Nishanth Menon
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