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SubjectRe: [PATCH V8 0/4] soc: imx: add i.MX BLK-CTL support
On 6/30/21 4:46 PM, Frieder Schrempf wrote:
> On 30.06.21 14:09, Adam Ford wrote:
>> On Wed, Jun 30, 2021 at 4:34 AM Peng Fan (OSS) <> wrote:
>>>> Subject: Re: [PATCH V8 0/4] soc: imx: add i.MX BLK-CTL support
>>>> On Tue, Jun 29, 2021 at 1:56 AM Peng Fan (OSS) <>
>>>> wrote:
>>>>> From: Peng Fan <>
>>>>> V8:
>>>>> Revert one change in v7, force goto disable_clk for handshake when
>>>>> power on in patch 3 One minor update to use if{} else {}, not if{};
>>>>> if{}; in patch 3 Typo Hankshake->Handshake
>>>> I am using ATF, branch lf_v2.4, from the NXP code aurora repo with U-Boot
>>>> v2021.07-rc5
>>>> I applied this patch against linux-next, I applied the pgc patches [1], and the
>>>> suggested power-domains to the otg1 and otg2 nodes.
>>>> I am able to boot the device and use USB, but with this applied, I cannot wake
>>>> from sleep. If I revert this, the system wakes from sleep again.
>>> I just tried linux-next without this patch on iMX8MM EVK, suspend/resume
>>> not work. Per my last test, it works before. Not sure what changed in kernel.
>>> Which kernel are you using, any commit or git repo? I could try on imx8mm
>>> evk and debug the issue you see.
>> I used kernel-next,
>> git://
>> commit 889bab4c367a0ef58208fd80fafa74bb6e2dca26 (tag: next-20210621)
>> I then applied the GPCv2 patch that Marek sent. You were CC'd on the
>> e-mail from Marek, but I can forward the patch to you if you can't
>> find it.
>> I tested his patch and I was able to suspend-to-RAM and resume.
>> Once I was comfortable that it worked, I then applied your patch
>> series for the blk-ctl.
>> With the blk-ctl series applied, the suspend-resume stopped working.
> Same here. I tested with linux-next-20210629 and as soon as I add the BLK-CTL driver and devicetree nodes, the resume after suspend causes a lockup each time.

btw do you have etnaviv enabled ?

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