[PATCHv6 3/7] ARM: OMAP4: hwmod: flag hwmods/modules not supporting module level context status
Tero Kristo
t-kristo at ti.com
Thu Jul 19 05:50:55 EDT 2012
On Wed, 2012-07-18 at 11:24 -0600, Paul Walmsley wrote:
> On Wed, 18 Jul 2012, Tero Kristo wrote:
>
> > On Tue, 2012-07-17 at 03:11 -0500, Menon, Nishanth wrote:
> >
> > > OMAP4430_RM_ABE_AESS_CONTEXT? why not use LOSTMEM_AESSMEM ? ABE will
> > > need to know when it lost context to be able to reload it's firmware,
> > > no?
> >
> > It looks like current hwmod data doesn't support specific bits to be
> > used for the context declaration, it is only specifying the register
> > offset. Also, the same register is used by aess hwmod, so this will
> > cause a conflict if I take the same register into use.
> >
> > This could be fixed by adding a field for the context bits, but I guess
> > this should be commented upon by someone (Benoit / Paul) before I craft
> > some sort of patch for that.
>
> If you need to add a u8 there to specify the bitshift, go ahead and do it.
> u8 lostmem_bit, perhaps?
Mask might be better, as we have RFF / DFF bits, and also if mask is not
defined, we can assume we want to check the whole register (current
behavior.) I'll add this for next rev.
-Tero
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