Re: [PATCH] OMAP: hwmod: add kernel cmdline flag to avoid resetting IP blocks during init

Tony Lindgren
2011-07-06T06:43:30Z

* Paul Walmsley <paul@pwsan.com> [110705 18:55]:
> On Tue, 5 Jul 2011, Paul Walmsley wrote:
>
> > For this case, we probably need some board file function to tell the
> > hwmod code to disregard a device completely, to tell the kernel to
> > pretend that the device does not exist.
>
> ... and the other problem here is that we currently probe devices via an
> arch_initcall(), and the board file init_machine is also an arch_initcall.
> Either we'll need to be very careful about Makefile ordering, or we should
> just call omap2_init_devices() from the board file init_machine directly.
> The latter makes the most sense to me.

And that can then be passed the list of devices with the special flags
for noreset, disabled and reserved. Then the late_initcall can optionally
reset the rest of the devices.

Regards,

Tony