On Fri, Oct 9, 2009 at 05:09, graff.yang wrote:
> On Fri, 2009-10-09 at 03:38 -0400, Mike Frysinger wrote:
>> On Fri, Oct 9, 2009 at 02:57, graff.yang wrote:
>> > On Thu, 2009-10-01 at 01:01 -0400, Mike Frysinger wrote:
>> >> On Mon, Sep 21, 2009 at 07:51,  <[email protected]> wrote:
>> >> > Modified Paths
>> >> >
>> >> > trunk/arch/blackfin/mach-bf518/include/mach/cdefBF51x_base.h
>> >> > trunk/arch/blackfin/mach-bf527/include/mach/cdefBF52x_base.h
>> >> > trunk/arch/blackfin/mach-bf533/include/mach/cdefBF532.h
>> >> > trunk/arch/blackfin/mach-bf537/include/mach/cdefBF534.h
>> >> > trunk/arch/blackfin/mach-bf538/include/mach/cdefBF538.h
>> >> > trunk/arch/blackfin/mach-bf548/include/mach/cdefBF54x_base.h
>> >> > trunk/arch/blackfin/mach-bf561/include/mach/cdefBF561.h
>> >> >
>> >> > Added Paths
>> >> >
>> >> > trunk/arch/blackfin/include/asm/cdef_misc.h
>> >>
>> >> merging duplicate code is great, but i dont think a new cdef_misc.h
>> >
>> > The definitions(like bfin_write_PLL_CTL()) in cdef_misc.h are using low
>> > level definitions from mach/cdefBF5xx.h and asm/cdef_LPBlackfin.h,
>> > further more, it need asm/irq.h, which included more header files.
>> > In SMP case, there are many compile errors because of fetching in
>> > asm/irq.h so early.
>> > So I think push bfin_write_PLL_CTL() into higher level header file make
>> > more sense. Now it is put into cdef_misc.h, and included by
>> > asm/blackfin.h.
>> >
>> >> file is the way to go.  is there any reason we cant have this in
>> >> cdef_LPBlackfin.h ?  the whole point of this file is for all
>> >> Blackfin-common MMRs.
>> >
>> > We can not put it into asm/cdef_LPBlackfin.h. Because
>> > asm/cdef_LPBlackfin.h is included early in the mach/cdefBF5xx.h, there
>> > the bfin_read_PLL_CTL(),which is used by bfin_write_PLL_CTL(), have not
>> > been defined.
>>
>> then why dont we fix the mach headers ?  it doesnt make much sense to
>> me to force every mach to pull in the common def/cdef headers when the
>> common entry point can do it itself.  we should be striving to unify
>> our def/cdef headers.
>
> How about move the contents of cdef_misc.h to the file of
> asm/blackfin.h?

i think we should be keeping our MMRs the dedicated def/cdef setup we have now.
-mike
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