Re: Nokia N900: omap aes is broken

From: Pavel Machek
Date: Wed Feb 25 2015 - 04:50:21 EST


On Tue 2015-02-24 09:37:34, Tony Lindgren wrote:
> * Pali Rohár <pali.rohar@xxxxxxxxx> [150224 09:42]:
> > On Tuesday 24 February 2015 18:25:12 Tony Lindgren wrote:
> > > * Pali Rohár <pali.rohar@xxxxxxxxx> [150218 16:03]:
> > > > --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
> > > > +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
> > > > @@ -3938,8 +3938,9 @@ int __init omap3xxx_hwmod_init(void)
> > > >
> > > > if (r < 0)
> > > >
> > > > return r;
> > > >
> > > > - /* Register GP-only hwmod links. */
> > > > - if (h_gp && omap_type() == OMAP2_DEVICE_TYPE_GP) {
> > > > +// /* Register GP-only hwmod links. */
> > > > +// if (h_gp && omap_type() == OMAP2_DEVICE_TYPE_GP) {
> > > > + if (h_gp) {
> > > >
> > > > r = omap_hwmod_register_links(h_gp);
> > > > if (r < 0)
> > > >
> > > > return r;
> > > >
> > > > aes hwmod is defined in GP-only hwmod...
> > >
> > > Doesn't this depend on the bootloader version of n900 to work?
> > >
> > > Regards,
> > >
> > > Tony
> >
> > Ok, it looks like second patch (omap_hwmod_3xxx_data.c) needs
> > that aes-enabled bootloader.
>
> OK we need some runtime detection somehow for what's enabled..
>
> > But first patch (omap3.dtsi) is needed for proper definitions.
> > Otherwise omap-aes driver will never work on DT systems.
>
> Yeah that one makes sense to me, I guess you'll do a proper
> fix for that one.

If this depends on bootloader... would command line parameter be right
solution here?
Pavel
--
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