linux-kernel - Re: [PATCH] iommu/arm-smmu-qcom: do not register driver in probe()

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Message-Id: <DFV3I3D5UIZP.38TNCAJWQGI3O@kernel.org>
Date: Thu, 22 Jan 2026 12:52:46 +0100
From: "Danilo Krummrich" <dakr@...nel.org>
To: "Ioana Ciornei" <ioana.ciornei@....com>
Cc: <gregkh@...uxfoundation.org>, <rafael@...nel.org>, <broonie@...nel.org>,
 <will@...nel.org>, <robin.murphy@....com>, <joro@...tes.org>,
 <robin.clark@....qualcomm.com>, <hanguidong02@...il.com>,
 <quic_c_gdjako@...cinc.com>, <dmitry.baryshkov@....qualcomm.com>,
 <driver-core@...ts.linux.dev>, <linux-kernel@...r.kernel.org>,
 <linux-arm-kernel@...ts.infradead.org>, <iommu@...ts.linux.dev>,
 <linux-arm-msm@...r.kernel.org>
Subject: Re: [PATCH] iommu/arm-smmu-qcom: do not register driver in probe()

On Thu Jan 22, 2026 at 10:21 AM CET, Ioana Ciornei wrote:
> The boot lockup was visible also on the NXP LX2160ARDB. This patch fixes
> it.

Interesting, this means that qcom_smmu_impl_init() must be called on this
machine, is this expected?

> Tested-by: Ioana Ciornei <ioana.ciornei@....com> #LX2160ARDB

Thanks for testing!