Subject: [PATCH 0/3] Minor OMAP DTS fixes

From: [email-masked] (Suman Anna)
Date: Fri, 25 Apr 2014 12:14:48 -0500

Tony,

On 04/25/2014 11:57 AM, Tony Lindgren wrote:
> * Suman Anna <[email-masked]> [140422 15:24]:
>> Hi Tony, Benoit,
>>
>> This series includes couple of minor fixes in the OMAP DTS files. The patches
>> are based on 3.15-rc2.
>>
>> The first patch fixes the only WARN_ON trace present during kernel boot on
>> OMAP5 uEVM, and this has been present since some time now. 
>> [    0.045578] ------------[ cut here ]------------
>> [    0.045598] WARNING: CPU: 0 PID: 1 at arch/arm/mach-omap2/omap_hwmod.c:2538 _init+0x1c0/0x3dc()
>> [    0.045605] omap_hwmod: mailbox: doesn't have mpu register target base
>> [    0.045611] Modules linked in:
>> [    0.045625] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.15.0-rc2-00001-gb5e85a0 #45
>> [    0.045653] [<c0015724>] (unwind_backtrace) from [<c00120f4>] (show_stack+0x10/0x14)
>> [    0.045672] [<c00120f4>] (show_stack) from [<c05a1ccc>] (dump_stack+0x78/0x94)
>> [    0.045686] [<c05a1ccc>] (dump_stack) from [<c0042a74>] (warn_slowpath_common+0x6c/0x8c)
>> [    0.045698] [<c0042a74>] (warn_slowpath_common) from [<c0042b28>] (warn_slowpath_fmt+0x30/0x40)
>> [    0.045710] [<c0042b28>] (warn_slowpath_fmt) from [<c0803b40>] (_init+0x1c0/0x3dc)
>> [    0.045724] [<c0803b40>] (_init) from [<c0029c8c>] (omap_hwmod_for_each+0x34/0x5c)
>> [    0.045736] [<c0029c8c>] (omap_hwmod_for_each) from [<c08042b0>] (__omap_hwmod_setup_all+0x24/0x40)
>> [    0.045748] [<c08042b0>] (__omap_hwmod_setup_all) from [<c00088b8>] (do_one_initcall+0x34/0x160)
>> [    0.045761] [<c00088b8>] (do_one_initcall) from [<c07f7bf4>] (kernel_init_freeable+0xfc/0x1c8)
>> [    0.045772] [<c07f7bf4>] (kernel_init_freeable) from [<c059c4f4>] (kernel_init+0x8/0xe4)
>> [    0.045784] [<c059c4f4>] (kernel_init) from [<c000eaa8>] (ret_from_fork+0x14/0x2c)
>> [    0.045826] ---[ end trace c25fc521f2569d3c ]---
>>
>> The last patch eliminates the following traces on AM3517 based boards.
>> [    0.418496] platform iva.2: Cannot lookup hwmod 'iva'
>> [    0.454352] platform 48094000.mailbox: Cannot lookup hwmod 'mailbox'
>> [    0.460610] platform 480bd400.mmu: Cannot lookup hwmod 'mmu_isp'
>> [    0.464065] platform 480c9000.smartreflex: Cannot lookup hwmod 'smartreflex_mpu_iva'
>>
>> There are a few other such traces remaining, but these are all on valid nodes.
>> [    0.420275] platform 480c5000.aes: Cannot lookup hwmod 'aes'
>> [    0.462403] platform 480c3000.sham: Cannot lookup hwmod 'sham'
>> [    0.463246] platform 480cb000.smartreflex: Cannot lookup hwmod 'smartreflex_core'
>> [    0.477243] platform 480ab000.usb_otg_hs: Cannot lookup hwmod 'usb_otg_hs'
> 
> Thanks applying all three into omap-for-v3.15/fixes-v2 with patch
> updated with the above warnings. Next time, please include the
> warnings into the patch description, just leave out the time
> stamps.

Thanks. I have mentioned the warning for the OMAP5 one very briefly, and
wasn't sure if I needed to copy the entire backtrace, but will remember
to include them in the future.

regards
Suman