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From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Val Packett <val@packett.cool>,
	Bjorn Andersson <andersson@kernel.org>,
	Mathieu Poirier <mathieu.poirier@linaro.org>,
	Nathan Chancellor <nathan@kernel.org>,
	Nick Desaulniers <nick.desaulniers+lkml@gmail.com>,
	Bill Wendling <morbo@google.com>,
	Justin Stitt <justinstitt@google.com>
Cc: "Matti Lehtimäki" <matti.lehtimaki@gmail.com>,
	"Luca Weiss" <luca@lucaweiss.eu>,
	"Vladimir Lypak" <vladimir.lypak@gmail.com>,
	"Barnabás Czémán" <barnabas.czeman@mainlining.org>,
	"Dmitry Baryshkov" <dmitry.baryshkov@oss.qualcomm.com>,
	~postmarketos/upstreaming@lists.sr.ht, linux@mainlining.org,
	phone-devel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-remoteproc@vger.kernel.org, llvm@lists.linux.dev
Subject: Re: [PATCH v2] remoteproc: qcom_wcnss: Fix handling the lack of PD regulators in v3
Date: Mon, 2 Feb 2026 11:57:16 +0100	[thread overview]
Message-ID: <9b4ce86a-8529-4c55-9dcf-caecf81e46d8@oss.qualcomm.com> (raw)
In-Reply-To: <20260201210230.911220-1-val@packett.cool>

On 2/1/26 9:55 PM, Val Packett wrote:
> The changes introduced to handle single power domain platforms have
> swapped the info pointer increment from num_pd_vregs to num_pds, which
> would shift the info pointer past the end of the array for pronto-v3,
> which does not list power domain regulators in vregs.
> 
> This showed up as a difference between GCC- and LLVM-compiled kernels
> on SDM632 devices, where only with LLVM one would get the
> "regulator request with no identifier" error, because the out-of-bounds
> memory ended up being zeroed. Fix by skipping the increment when there
> are more power domains than regulators.
> 
> Signed-off-by: Val Packett <val@packett.cool>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>

Konrad

  reply	other threads:[~2026-02-02 10:57 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-01 20:55 [PATCH v2] remoteproc: qcom_wcnss: Fix handling the lack of PD regulators in v3 Val Packett
2026-02-02 10:57 ` Konrad Dybcio [this message]
2026-02-23 20:03 ` Bjorn Andersson
2026-02-24 18:45   ` Val Packett
2026-02-27  3:52     ` Bjorn Andersson
2026-02-27  4:20       ` Val Packett
  -- strict thread matches above, loose matches on Subject: below --
2026-02-09 23:05 Yoann Lecuyer

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