linux-kernel - Re: [Patch v3 11/11] memory: tegra186-emc: fix interconnect registration race

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Message-ID: <cd4aa9b3-5e0c-675d-de7e-8b5b2b1660e5@linaro.org>
Date:   Wed, 22 Mar 2023 18:50:41 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Sumit Gupta <sumitg@...dia.com>, treding@...dia.com,
        dmitry.osipenko@...labora.com, viresh.kumar@...aro.org,
        rafael@...nel.org, jonathanh@...dia.com, robh+dt@...nel.org,
        lpieralisi@...nel.org
Cc:     linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-pci@...r.kernel.org, mmaddireddy@...dia.com, kw@...ux.com,
        bhelgaas@...gle.com, vidyas@...dia.com, sanjayc@...dia.com,
        ksitaraman@...dia.com, ishah@...dia.com, bbasu@...dia.com
Subject: Re: [Patch v3 11/11] memory: tegra186-emc: fix interconnect
 registration race

On 20/03/2023 19:24, Sumit Gupta wrote:
> The current interconnect provider registration interface is inherently
> racy as nodes are not added until the after adding the provider. This
> can specifically cause racing DT lookups to fail.
> 
> Switch to using the new API where the provider is not registered until
> after it has been fully initialised.
> 
> Fixes: ("memory: tegra: add interconnect support for DRAM scaling in Tegra234")

Same problem and also send it separately.

Best regards,
Krzysztof