[PATCH/RFT 0/8] ARM: OMAP: remove IP checks from SoC family detection

Kevin Hilman khilman at ti.com
Mon Apr 30 16:48:39 EDT 2012


"Mark A. Greer" <mgreer at animalcreek.com> writes:

> On Fri, Apr 27, 2012 at 03:25:38PM -0700, Kevin Hilman wrote:
>> "Mark A. Greer" <mgreer at animalcreek.com> writes:
>> 
>> > On Thu, Apr 26, 2012 at 04:29:45PM -0700, Kevin Hilman wrote:
>> >
>> > Hi Kevin.
>> >
>> >> This is a rebased version of this series which is ready for broader
>> >> testing.  I'd especially appreciate testing from those of you with
>> >> AM35x platforms.
>> >> 
>> >> Currently, our SoC detection is based on SoC family detection
>> >> (using die ID) and the presence of specific IP blocks (or feature.)
>> >> 
>> >> This series begins the separation of the SoC family detection and
>> >> specific IP detection by completely removing IP detection from the SoC
>> >> family detection (cpu_is_*.)
>> >> 
>> >> Applies on top of v3.4-rc4, boot tested on AM3517 EVM.
>> >
>> > Your series applied and booted without issue until the point that
>> > pm_idle is called.  At that point it hung because its doing a wfi
>> > and not getting an interrupt to wake up back up.  That's expected
>> > behaviour so your patches are good (IMHO) but I need to finish and
>> > submit a new version of my patches to fix that issue.
>> 
>> For the benefit of others wanting to test this:
>> 
>> You have to use 'nohlt' on the cmdline on AM35x in order to avoid WFI
>> and the wakeup problems that are still being worked on.
>
> Oops, yes.  I meant to add that and say that my am3517evm boots fine
> with your patches and 'nohlt' on the cmdline.  I'm using omap2plus_defconfig
> with CONFIG_TI_DAVINCI_EMAC enabled.

Thanks for testing,  will add a Tested-by from you.

Kevin



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