From: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
To: Lucas Stach <l.stach@pengutronix.de>, Peng Fan <peng.fan@nxp.com>,
Dominique MARTINET <dominique.martinet@atmark-techno.com>,
"Alice Guo (OSS)" <alice.guo@oss.nxp.com>
Cc: Shawn Guo <shawnguo@kernel.org>,
Krzysztof Kozlowski <krzk@kernel.org>,
"robh+dt@kernel.org" <robh+dt@kernel.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
dl-linux-imx <linux-imx@nxp.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [EXT] regression due to soc_device_match not handling defer (Was: [PATCH v4 4/4] soc: imx8m: change to use platform driver)
Date: Tue, 29 Jun 2021 10:39:19 +0800 [thread overview]
Message-ID: <3f6cffc5-7600-25c9-d5f0-5891355c402e@oss.nxp.com> (raw)
In-Reply-To: <b8ce9abd075a65272bdbe6142c9cd877fa25c701.camel@pengutronix.de>
Hi Lucas,
On 2021/6/24 18:36, Lucas Stach wrote:
> Hi all,
>
> Am Donnerstag, dem 15.04.2021 um 01:33 +0000 schrieb Peng Fan:
>>> (Was: [PATCH v4 4/4] soc: imx8m: change to use platform driver)
>>>
>>> Alice Guo (OSS) wrote on Tue, Mar 30, 2021 at 02:41:23AM +0000:
>>>> Thanks for reporting this issue, I'll check and add a fix to handle defer probe.
>>>
>>> I haven't seen any follow up on this, have you had a chance to take a look?
>>
>> We are trying to find a proper solution for this.
>>
>> The proper method might be make soc_device_match return probe defer,
>> and take early soc attr into consideration, but I am not sure this would win
>> maintainer's vote.
>>
>>> If this won't make it for 5.12 (in a couple of week probably?) would it make
>>> sense to revert 7d981405d0fd ("soc: imx8m: change to use platform
>>> driver") for now?
>>
>> Please no. We are targeting android GKI, make driver as modules.
>> And reverting to original method will also break kexec.
>>
>> I am on IRC #linux-imx, we could take more if you would like to.
>
> It seems this stalled. This regression totally breaks the kernel boot
> on all i.MX8M devices including the CAAM. 5.13 is about to be released,
> as the second upstream kernel release after 5.12 without a fix for this
> issue. What's the plan here?
>
> If there is no good solution small enough to be ported to the stable
> kernels in sight, I think the only sensible option here is to revert
> this change.
I not have time to touch this, maybe you could submit a revert for this.
Thanks,
Peng.
>
> Regards,
> Lucas
>
next prev parent reply other threads:[~2021-06-29 2:39 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-20 10:11 [PATCH v4 1/4] dt-bindings: soc: imx8m: add DT Binding doc for soc unique ID Alice Guo
2020-11-20 10:11 ` [PATCH v4 2/4] arm64: dts: imx8m: add SoC ID compatible Alice Guo
2020-11-20 10:11 ` [PATCH v4 3/4] arm64: dts: imx8m: add NVMEM provider and consumer to read soc unique ID Alice Guo
2020-11-20 10:53 ` Krzysztof Kozlowski
2020-11-20 10:11 ` [PATCH v4 4/4] soc: imx8m: change to use platform driver Alice Guo
2020-11-20 10:46 ` Krzysztof Kozlowski
2021-03-29 9:08 ` regression due to soc_device_match not handling defer (Was: [PATCH v4 4/4] soc: imx8m: change to use platform driver) Dominique MARTINET
2021-03-30 2:41 ` [EXT] " Alice Guo (OSS)
2021-04-15 1:27 ` Dominique MARTINET
2021-04-15 1:33 ` Peng Fan
2021-06-24 10:36 ` Lucas Stach
2021-06-29 2:39 ` Peng Fan (OSS) [this message]
2020-11-20 10:50 ` [PATCH v4 1/4] dt-bindings: soc: imx8m: add DT Binding doc for soc unique ID Krzysztof Kozlowski
2020-11-23 4:45 ` [EXT] " Alice Guo
2020-11-23 9:04 ` Krzysztof Kozlowski
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