Thread (10 messages) 10 messages, 2 authors, 2015-02-24

New l3-noc error with CPUFREQ_DT built-in with v4.0-rc1

From: Felipe Balbi <hidden>
Date: 2015-02-24 14:46:39
Also in: linux-omap

Hi,

On Mon, Feb 23, 2015 at 07:24:50PM -0800, Tony Lindgren wrote:
* Tony Lindgren [off-list ref] [150223 19:29]:
quoted
* Felipe Balbi [off-list ref] [150223 19:19]:
quoted
On Mon, Feb 23, 2015 at 07:01:42PM -0800, Tony Lindgren wrote:
quoted
* Tony Lindgren [off-list ref] [150223 18:43]:

Looks like the address is 0 for "Custom Error". Anyways, reverting
yeah, that's because the error comes from l4per2, not l3 :-)
Right so it seems :)
 
quoted
quoted
a fix for similar issue found on omap3 so far seems to help, that's
3d009c8c61f9 ("gpio: omap: Fix bad device access with setup_irq()").
if we revert that, we regress omap3, right ?
Yes we saw that getting triggered on omap3/4 before 3d009c8c61f9.

Now looking at the stack trace again, it actually has something:

...
[<c05999a4>] (__irq_svc) from [<c0599164>] (_raw_spin_unlock_irqrestore+0x34/0x44)
[<c0599164>] (_raw_spin_unlock_irqrestore) from [<c0027120>] (omap_hwmod_idle+0x34/0x44)
[<c0027120>] (omap_hwmod_idle) from [<c00283f8>] (omap_device_idle+0x38/0x78)
[<c00283f8>] (omap_device_idle) from [<c0028454>] (_od_runtime_suspend+0x1c/0x24)
[<c0028454>] (_od_runtime_suspend) from [<c03b5214>] (__rpm_callback+0x2c/0x60)
[<c03b5214>] (__rpm_callback) from [<c03b5268>] (rpm_callback+0x20/0x80)
[<c03b5268>] (rpm_callback) from [<c03b56b8>] (rpm_suspend+0xe8/0x55c)
[<c03b56b8>] (rpm_suspend) from [<c03b6bdc>] (pm_runtime_work+0x74/0xa8)
[<c03b6bdc>] (pm_runtime_work) from [<c0054608>] (process_one_work+0x1b0/0x4a0)
...

If it's the gpio-omap, there's probably some confusion still in
the driver regarding the GPIO bank idle status. Anyways, will look
more into it tomorrow.
And now I'm seeing the error with 3d009c8c61f9 reverted, so it
does not seem to be that either..
well, that's good :-)

-- 
balbi
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