Re: [PATCH] ARM: OMAP2+: hwmod: Fix _wait_target_ready() for hwmods without sysc

From: Paul Walmsley
Date: Tue Jan 13 2015 - 18:45:16 EST


Hi Suman

On Tue, 6 Jan 2015, Suman Anna wrote:

> Looking at your rc3 log @
> http://www.pwsan.com/omap/testlogs/test_v3.19-rc3/20150105224749/boot/4460varsomom/,
> I do see a missing reg entry for mailbox, and that's the reason for your
> hang because of the missing bail out in your new patch.
>
> [ 0.261932] ------------[ cut here ]------------
> [ 0.261962] WARNING: CPU: 0 PID: 1 at
> arch/arm/mach-omap2/omap_hwmod.c:2458 _init+0x3a0/0x3f0()
> [ 0.261962] omap_hwmod: mailbox: doesn't have mpu register target base
> ...
> ...
> [ 0.262329] ---[ end trace a1be72591db4662e ]---
>
> Now that said, this is weird, since the reg property for mailbox is
> defined in the base omap4.dtsi and should be inherited by the 4460
> VAR-SOM-OM, unless you are booting with an old dtb.

Yeah, it doesn't make sense. I'm pretty sure I'm using the right DTB
here, since that board is booting with a concatenated uImage + DTB.
Well, at least there's a good test platform here.


- Paul
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