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From: "MINETTE Alexandre" <contact@alex-min.fr>
To: "Dmitry Baryshkov" <dmitry.baryshkov@oss.qualcomm.com>
Cc: "David Heidelberg" <david@ixit.cz>,
	"Linus Walleij" <linusw@kernel.org>,
	"Bjorn Andersson" <andersson@kernel.org>,
	"Konrad Dybcio" <konradybcio@kernel.org>,
	"Rob Herring" <robh@kernel.org>,
	"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
	"Conor Dooley" <conor+dt@kernel.org>,
	"MyungJoo Ham" <myungjoo.ham@samsung.com>,
	"Chanwoo Choi" <cw00.choi@samsung.com>,
	"Guru Das Srinagesh" <linux@gurudas.dev>,
	"Rob Clark" <robin.clark@oss.qualcomm.com>,
	"Joerg Roedel" <joro@8bytes.org>, "Will Deacon" <will@kernel.org>,
	"Robin Murphy" <robin.murphy@arm.com>,
	"Kees Cook" <kees@kernel.org>, "Tony Luck" <tony.luck@intel.com>,
	"Guilherme G. Piccoli" <gpiccoli@igalia.com>,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org,
	iommu@lists.linux.dev, phone-devel@vger.kernel.org
Subject: Re: [PATCH v3 3/8] pinctrl: qcom: Register functions before enabling pinctrl
Date: Wed, 03 Jun 2026 14:44:47 +0200	[thread overview]
Message-ID: <56ee469e-dab0-49fa-b808-d421b7505622@app.fastmail.com> (raw)
In-Reply-To: <thj65jrvef3z3dmn5f52jplewrjgklomc5s32grktsjejs72sw@npk26yx2hpf7>

Right, thanks for checking.

I do not own the Nexus 7 flo/deb, so I cannot verify whether it needs
this in the same way as jflte. I mentioned it because another
postmarketOS contributor told me this patch helped on that device, but
it is also possible that I misunderstood the failure they were seeing.
-- 
  MINETTE Alexandre
  contact@alex-min.fr

Mer 03 juin 2026, à 14:29, Dmitry Baryshkov a écrit :
> On Wed, Jun 03, 2026 at 10:58:24AM +0200, MINETTE Alexandre wrote:
>> Thanks David.
>> 
>> I initially considered adding a Fixes: tag, but I do not have a commit I
>> can point to. This looks like a latent ordering issue in the
>> Qualcomm pinctrl probe path and could have happened at any time until now. 
>> 
>> The failure became visible on APQ8064 boards such as this jflte, and I also
>> have a report that the same change helps flo/deb, but I do not want to
>> add a misleading Fixes tag as we don't really know which commit really triggered the race condition.
>
> But there are no gpio-hogs on Nexus7/flo. 
>
>> -- 
>>   MINETTE Alexandre
>>   contact@alex-min.fr
>> 
>> Mar 19 mai 2026, à 23:03, David Heidelberg a écrit :
>> > On 19/05/2026 10:48, MINETTE Alexandre wrote:
>> >> Thanks a lot Linus!
>> >> 
>> >> This patch is required for my Samsung Galaxy S4 GT-I9505 to boot but I also
>> >> have confirmation from another contributor that the same pinctrl patch
>> >> helped boot the ASUS Nexus 7 (2013), codenamed flo, which is also based
>> >> on APQ8064.
>> >> 
>> >
>> > Hello Alex,
>> >
>> > if what you wrote about asus-flo/deb is true, then this patch should have 
>> > `Fixes: ` tag, as I remember it was booting with few limited patches ~5 years 
>> > back then (only one serious was hack for proper clock bringup).
>> >
>> > David
>> >
>> > -- 
>> > David Heidelberg
>
> -- 
> With best wishes
> Dmitry

  reply	other threads:[~2026-06-03 12:45 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-19  7:16 [PATCH v3 0/8] Add Samsung Galaxy S4 support Alexandre MINETTE via B4 Relay
2026-05-19  7:16 ` [PATCH v3 1/8] dt-bindings: arm: qcom: Add Samsung Galaxy S4 Alexandre MINETTE via B4 Relay
2026-05-19  7:16 ` [PATCH v3 2/8] dt-bindings: extcon: qcom,pm8941-misc: Add PM8921 compatible Alexandre MINETTE via B4 Relay
2026-05-19  7:42   ` sashiko-bot
2026-05-20  7:22   ` Krzysztof Kozlowski
2026-06-03  9:16     ` MINETTE Alexandre
2026-05-19  7:16 ` [PATCH v3 3/8] pinctrl: qcom: Register functions before enabling pinctrl Alexandre MINETTE via B4 Relay
2026-05-19  8:12   ` sashiko-bot
2026-05-19  8:31   ` Linus Walleij
2026-05-19  8:48     ` MINETTE Alexandre
2026-05-19 21:03       ` David Heidelberg
2026-06-03  8:58         ` MINETTE Alexandre
2026-06-03 12:29           ` Dmitry Baryshkov
2026-06-03 12:44             ` MINETTE Alexandre [this message]
2026-06-11 11:32   ` Konrad Dybcio
2026-06-11 13:01   ` Linus Walleij
2026-05-19  7:16 ` [PATCH v3 4/8] iommu/msm: Look up masters per IOMMU instance Alexandre MINETTE via B4 Relay
2026-05-19  8:43   ` sashiko-bot
2026-05-19  7:16 ` [PATCH v3 5/8] extcon: qcom-spmi-misc: Add PM8921 compatible Alexandre MINETTE via B4 Relay
2026-05-19  9:05   ` sashiko-bot
2026-05-19  7:16 ` [PATCH v3 6/8] ARM: dts: qcom: apq8064: Fix USB controller clocks Alexandre MINETTE via B4 Relay
2026-05-19  9:25   ` sashiko-bot
2026-05-19  7:16 ` [PATCH v3 7/8] ARM: dts: qcom: pm8921: Add USB ID extcon Alexandre MINETTE via B4 Relay
2026-05-19  9:41   ` sashiko-bot
2026-05-19  7:16 ` [PATCH v3 8/8] ARM: dts: qcom: Add Samsung Galaxy S4 Alexandre MINETTE via B4 Relay
2026-05-19  9:50   ` sashiko-bot
2026-05-25  9:01     ` Linus Walleij
2026-05-21 10:41   ` Konrad Dybcio

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