linux-kernel - Re: [PATCH] Revert "regulator: qcom-rpmh: Revert "regulator: qcom-rpmh: Use PROBE_FORCE

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Message-ID: <36e5798e-72e2-0212-fe61-94d0075099d2@leemhuis.info>
Date:   Wed, 24 May 2023 15:51:21 +0200
From:   "Linux regression tracking (Thorsten Leemhuis)" 
        <regressions@...mhuis.info>
To:     Amit Pundir <amit.pundir@...aro.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Douglas Anderson <dianders@...omium.org>
Cc:     Marek Szyprowski <m.szyprowski@...sung.com>,
        Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Caleb Connolly <caleb.connolly@...aro.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        lkml <linux-kernel@...r.kernel.org>,
        Linux kernel regressions list <regressions@...ts.linux.dev>
Subject: Re: [PATCH] Revert "regulator: qcom-rpmh: Revert "regulator:
 qcom-rpmh: Use PROBE_FORCE_SYNCHRONOUS""

[CCing the regression list, as it should be in the loop for regressions:
https://docs.kernel.org/admin-guide/reporting-regressions.html]

On 15.05.23 16:53, Amit Pundir wrote:
> This reverts commit ad44ac082fdff7ee57fe125432f7d9d7cb610a23.
> 
> This patch restores the synchronous probing for
> qcom-rpmh-regulator because asynchronous probing broke
> Dragonboard 845c (SDM845) running AOSP. UFSHC fail to
> initialize properly and DB845c fails to boot regardless
> of "rootwait" bootarg being present or not
> https://bugs.linaro.org/show_bug.cgi?id=5975.
> 
> Signed-off-by: Amit Pundir <amit.pundir@...aro.org>
> ---
>  drivers/regulator/qcom-rpmh-regulator.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/regulator/qcom-rpmh-regulator.c b/drivers/regulator/qcom-rpmh-regulator.c
> index b0a58c62b1e2..30659922b0aa 100644
> --- a/drivers/regulator/qcom-rpmh-regulator.c
> +++ b/drivers/regulator/qcom-rpmh-regulator.c
> @@ -1517,7 +1517,7 @@ MODULE_DEVICE_TABLE(of, rpmh_regulator_match_table);
>  static struct platform_driver rpmh_regulator_driver = {
>  	.driver = {
>  		.name = "qcom-rpmh-regulator",
> -		.probe_type = PROBE_PREFER_ASYNCHRONOUS,
> +		.probe_type = PROBE_FORCE_SYNCHRONOUS,
>  		.of_match_table	= of_match_ptr(rpmh_regulator_match_table),
>  	},
>  	.probe = rpmh_regulator_probe,

Amit, just wondering: what happened to this? It seems there was some
agreement to go down this route to fix your regression, but then nothing
happened anymore since about a week. Or am I missing something?

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
--
Everything you wanna know about Linux kernel regression tracking:
https://linux-regtracking.leemhuis.info/about/#tldr
If I did something stupid, please tell me, as explained on that page.

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