Re: [PATCH 0/8] Power domains support for Exynos5433 SoCs

[Marek Szyprowski <m.szyprowski@samsung.com>]

Hi Krzysztof,

On 2017-01-27 08:43, Krzysztof Kozlowski wrote:
> On Wed, Jan 25, 2017 at 12:55:34PM +0100, Marek Szyprowski wrote:
>> Hello,
>>
>> This patchset is a final step to add support for all power domains
>> on Exynos5433 SoCs. This patchset contains patches for adding Exynos5433
>> support to Exynos power domain driver and definitions of all power
>> domains found in Exynos5433 SoCs.
>>
>> Patches have been generated on top of linux-next from 25th January 2017.
>>
>> This is a part of a larger task, which goal is to add support for power
>> domains on Exynos5433 SoCs / TM2 boards. All patches needed to get it
>> working have been pushed to the following git repo:
>> https://git.linaro.org/people/marek.szyprowski/linux-srpol.git v4.10-next-tm2-pd
>>
>> To get everything working following patches/patchsets are needed on top
>> of the linux-next tree:
> By "get everything working" you also mean that there is a runtime
> dependency? In other words, can I apply DTS patches here?

IMHO we should wait with applying pm domains DTS patches. Without ALL 
other patches
kernel will sooner or later panic with "(a)synchronous external abort" 
or deadlock
in a different way.

>
> Best regards,
> Krzysztof
>
>
>> 1. "Add support for the S6E3HA2 panel on TM2 board" v8 patchset:
>>     http://www.spinics.net/lists/devicetree/msg157859.html
>> 2. "drm/exynos/decon5433: configure sysreg in case of hardware trigger" v2:
>>     https://patchwork.kernel.org/patch/9493177/
>> 3. "Move pad retention control to Exynos pin controller driver" v3 patchset:
>>     https://www.spinics.net/lists/arm-kernel/msg556074.html
>> 4. "Pad retentions support for Exynos5433" patchset
>>     (posted a few minutes ago, no link yet available)
>> 5. "Exynos5433/TM2: add clocks configuration for display subsystem" patchset
>>     (posted a few minutes ago, no link yet available)
>> 6. "clk: samsung: pll: Add enable/disable support for PLL35XX" patch
>>     (posted a few minutes ago, no link yet available)
>> 7. "IOMMU probe deferral support" v7 patchset:
>>     https://www.spinics.net/lists/arm-kernel/msg557110.html
>> 8. "Add runtime PM support for clocks (on Exynos SoC example)" v5 patchset
>>     (posted a few minutes ago, no link yet available)
>> 9. "Power domains support for Exynos5433 SoCs" patchset
>>     (this patchset)
>>
>> Best regards
>> Marek Szyprowski
>> Samsung R&D Institute Poland
>>
>>
>> Patch summary:
>>
>> Chanwoo Choi (1):
>>    soc: samsung: pm_domains: Add new exynos5433 compatible
>>
>> Marek Szyprowski (7):
>>    arm64: dts: exynos: Add GSCL power domain to Exynos 5433 SoC
>>    arm64: dts: exynos: Add DISP power domain to Exynos 5433 SoC
>>    arm64: dts: exynos: Add MSCL power domain to Exynos 5433 SoC
>>    arm64: dts: exynos: Add MFC power domain to Exynos 5433 SoC
>>    arm64: dts: exynos: Add AUD power domain to Exynos5433 SoC
>>    arm64: dts: exynos: Add FSYS power domain to Exynos5433 SoC
>>    arm64: dts: exynos: Add remaining power domains to Exynos5433 SoC
>>
>>   .../devicetree/bindings/power/pd-samsung.txt       |   1 +
>>   arch/arm64/boot/dts/exynos/exynos5433.dtsi         | 118 +++++++++++++++++++++
>>   drivers/soc/samsung/pm_domains.c                   |   7 ++
>>   3 files changed, 126 insertions(+)
>>
>> -- 
>> 1.9.1
>>
>

Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland