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Re: [PATCH 4/8] ARM: dts: imx7s: Add node for GPC

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On 13 April 2017 at 12:18, Fabio Estevam <festevam@gmail.com> wrote:
> On Thu, Apr 13, 2017 at 4:03 PM, Tyler Baker <tyler.baker@linaro.org> wrote:
>
>> I've been testing your GPC/PCIe patch sets against v4.11-rc5 on my
>> imx7d-cl-som-imx7, but hit a bit of a wall. When gpc is set as the
>> interrupt-parent for the soc, the kernel seems to hang and not produce
>> any output on the serial port[0]. I tried to enable earlyprintk, but
>> no luck getting a trace. Reversing this change, gets the board
>> booting[1], but obviously isn't using the gpc which is needed for PCIe
>> support as I understand it. I assume you've tested these changes on a
>> imx7d-sdb and are not seeing a similar issue? You can find the patches
>> I've picked on top of v4.11-rc5 here[2], any idea what might be the
>> issue?
>
> Thanks for the report.

No problem.

> It seems this series depends on the drivers/soc/imx/gpcv2.c patches
> that landed into linux-next.

Are you referring to the following patches?

"dt-bindings: Add GPCv2 power gating driver"
"soc: imx: Add GPCv2 power gating driver"

I've pulled these patches from Shawn's tree to test with, but still
not able to get anything functional. Is there another series I should
be looking at?

Thanks,

Tyler

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[PATCH 0/8] i.MX7 PCIe related device tree changes Andrey Smirnov <andrew.smirnov@gmail.com> - 2017-04-13 15:40 +0200
  [PATCH 1/8] Revert "ARM: dts: imx: Remove unexistant property" Andrey Smirnov <andrew.smirnov@gmail.com> - 2017-04-13 15:40 +0200
  [PATCH 4/8] ARM: dts: imx7s: Add node for GPC Andrey Smirnov <andrew.smirnov@gmail.com> - 2017-04-13 15:40 +0200
    Re: [PATCH 4/8] ARM: dts: imx7s: Add node for GPC Tyler Baker <tyler.baker@linaro.org> - 2017-04-13 21:10 +0200
      Re: [PATCH 4/8] ARM: dts: imx7s: Add node for GPC Tyler Baker <tyler.baker@linaro.org> - 2017-04-13 21:30 +0200
        Re: [PATCH 4/8] ARM: dts: imx7s: Add node for GPC Fabio Estevam <festevam@gmail.com> - 2017-04-13 22:00 +0200
          Re: [PATCH 4/8] ARM: dts: imx7s: Add node for GPC Tyler Baker <tyler.baker@linaro.org> - 2017-04-13 22:20 +0200
            Re: [PATCH 4/8] ARM: dts: imx7s: Add node for GPC Fabio Estevam <festevam@gmail.com> - 2017-04-13 23:00 +0200
              Re: [PATCH 4/8] ARM: dts: imx7s: Add node for GPC Andrey Smirnov <andrew.smirnov@gmail.com> - 2017-04-13 23:30 +0200
              Re: [PATCH 4/8] ARM: dts: imx7s: Add node for GPC Tyler Baker <tyler.baker@linaro.org> - 2017-04-13 23:40 +0200
                Re: [PATCH 4/8] ARM: dts: imx7s: Add node for GPC Fabio Estevam <festevam@gmail.com> - 2017-04-14 00:10 +0200
      Re: [PATCH 4/8] ARM: dts: imx7s: Add node for GPC Fabio Estevam <festevam@gmail.com> - 2017-04-13 21:30 +0200
      Re: [PATCH 4/8] ARM: dts: imx7s: Add node for GPC Andrey Smirnov <andrew.smirnov@gmail.com> - 2017-04-13 23:30 +0200
    Re: [PATCH 4/8] ARM: dts: imx7s: Add node for GPC Shawn Guo <shawnguo@kernel.org> - 2017-04-14 05:50 +0200
      Re: [PATCH 4/8] ARM: dts: imx7s: Add node for GPC Andrey Smirnov <andrew.smirnov@gmail.com> - 2017-04-14 17:30 +0200
        Re: [PATCH 4/8] ARM: dts: imx7s: Add node for GPC Dong Aisheng <dongas86@gmail.com> - 2017-04-14 18:00 +0200
          Re: [PATCH 4/8] ARM: dts: imx7s: Add node for GPC Andrey Smirnov <andrew.smirnov@gmail.com> - 2017-04-14 18:00 +0200
  [PATCH 3/8] ARM: dts: imx7s: Adjust anatop-enable-bit for 'reg_1p0d' Andrey Smirnov <andrew.smirnov@gmail.com> - 2017-04-13 15:40 +0200
    Re: [PATCH 3/8] ARM: dts: imx7s: Adjust anatop-enable-bit for  'reg_1p0d' Shawn Guo <shawnguo@kernel.org> - 2017-04-14 05:30 +0200
      Re: [PATCH 3/8] ARM: dts: imx7s: Adjust anatop-enable-bit for 'reg_1p0d' Andrey Smirnov <andrew.smirnov@gmail.com> - 2017-04-14 16:40 +0200
    Re: [PATCH 3/8] ARM: dts: imx7s: Adjust anatop-enable-bit for  'reg_1p0d' Dong Aisheng <dongas86@gmail.com> - 2017-04-14 17:40 +0200
      Re: [PATCH 3/8] ARM: dts: imx7s: Adjust anatop-enable-bit for 'reg_1p0d' Andrey Smirnov <andrew.smirnov@gmail.com> - 2017-04-14 18:10 +0200
  [PATCH 2/8] ARM: dts: imx6: Specify 'anatop-enable-bit' where appropriate Andrey Smirnov <andrew.smirnov@gmail.com> - 2017-04-13 15:40 +0200
  Re: [PATCH 0/8] i.MX7 PCIe related device tree changes Tyler Baker <tyler.baker@linaro.org> - 2017-04-19 20:30 +0200

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