Re: [PATCH 0/3] ARM: EXYNOS: Fix Exynos5410 boot

From: Andreas FÃrber
Date: Wed Jul 30 2014 - 23:59:15 EST

Hi Kukjin,

Am 31.07.2014 03:10, schrieb Kukjin Kim:
> Olof Johansson wrote:
>> Hi,
> Hi Olof,
>> On Sun, Jul 27, 2014 at 5:39 PM, Kukjin Kim <> wrote:
>>> Andreas FÃrber wrote:
>>>> Am 27.07.2014 14:22, schrieb Andreas FÃrber:
>>>>> Hello,
>>>>> This mini-series unbreaks booting on 5410 based ODROID-XU.
>>>>> Since I do not have access to a TRM, the address is a guess based on
>>>>> 5250 and 5410. Such a node was not present in the 3.14 downstream tree.
>>>> s/5410/5420/
>>> OK.
>>>>> Regards,
>>>>> Andreas
>>>>> Andreas FÃrber (3):
>>>>> Documentation: devicetree: Document exynos5410 PMU
>>>>> ARM: dts: exynos: Add PMU to Exynos5410
>>>>> ARM: EXYNOS: Add support for Exynos5410 PMU
>>>>> Documentation/devicetree/bindings/arm/samsung/pmu.txt | 1 +
>>>>> arch/arm/boot/dts/exynos5410.dtsi | 5 +++++
>>>>> arch/arm/mach-exynos/exynos.c | 1 +
>>>>> 3 files changed, 7 insertions(+)
>>> Andreas, thanks.
>>> I'll apply this whole series.
>> We're getting close to the merge window. I'd prefer not to have to
>> start reverting samsung code to recover from these regressions, so
>> please send this up very soon.
> Thanks for your gentle reminder.
> BTW I'm waiting for exynos5250-spring support from Andreas and I'd like to get
> confirmation about that from Doug. And I'm looking at s2r related patches now.
> OK, I will send out current samsung tree tonight in my time anyway.

That would be kind.

Patches 2-3 in spring v3 should be non-functional snow refactorings for
you to consider, but untested by me; patch 1 you could skip if you
modify patch 2, if necessary. As for patch 4, you can see from my
spring-next branch [1] how I am successfully testing it with a TEST_ONLY
patch: For simplefb usage I comment out the /dp-controller node to avoid
drm/exynos detection (not enabling the driver in the user's .config
would be an alternative); when I run into issues with the drm during
testing, I can usually ssh in via USB ethernet/wifi.

In the dmesg for drm/exynos bridge series testing [2] (which I guess is
not gonna hit 3.17 any more?) I noticed that the USB3503 /usb-hub node
new in v3 is not working yet (complains about lack of #gpio-cells, I
guess for my reset-gpios property), not sure how to fix, so we/you could
probably just drop that node - preparing to test that now.

As for the rest of patch 4, it's a new DT, so we could fix up any
remaining bugs during 3.17 RC cycle, if it looks sane to you guys now. I
had replied to two series - namely cpufreq [3] and dwmmc [4] - where
merge conflicts might arise. Let me know if you need a respin for anything.



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