Date:   Tue, 7 Mar 2023 11:25:52 +0100
From:   Johan Hovold <johan@kernel.org>
To:     Luca Ceresoli <luca.ceresoli@bootlin.com>
Cc:     Johan Hovold <johan+linaro@kernel.org>,
        Georgi Djakov <djakov@kernel.org>,
        Shawn Guo <shawnguo@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Pengutronix Kernel Team <kernel@pengutronix.de>,
        Fabio Estevam <festevam@gmail.com>,
        NXP Linux Team <linux-imx@nxp.com>,
        Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Konrad Dybcio <konrad.dybcio@linaro.org>,
        Sylwester Nawrocki <s.nawrocki@samsung.com>,
        Artur =?utf-8?B?xZp3aWdvxYQ=?= <a.swigon@samsung.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
        Alim Akhtar <alim.akhtar@samsung.com>,
        Thierry Reding <thierry.reding@gmail.com>,
        Jonathan Hunter <jonathanh@nvidia.com>,
        linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-arm-msm@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
        linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org,
        stable@vger.kernel.org, Alexandre Bailon <abailon@baylibre.com>
Subject: Re: [PATCH v2 04/23] interconnect: imx: fix registration race
Message-ID: <ZAcRMNTyDrqVMxIm@hovoldconsulting.com>
References: <20230306075651.2449-1-johan+linaro@kernel.org>
 <20230306075651.2449-5-johan+linaro@kernel.org>
 <20230307104324.121166d1@booty>
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On Tue, Mar 07, 2023 at 10:43:24AM +0100, Luca Ceresoli wrote:
> On Mon,  6 Mar 2023 08:56:32 +0100
> Johan Hovold <johan+linaro@kernel.org> 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: f0d8048525d7 ("interconnect: Add imx core driver")
> > Cc: stable@vger.kernel.org      # 5.8
> > Cc: Alexandre Bailon <abailon@baylibre.com>
> > Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
> > Tested-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
> 
> v2 works just as well, so my Tested-by is confirmed. Maybe it's useful
> mentioning the hardware used for testing so:
> 
> [Tested on i.MX8MP using an MSC SM2-MB-EP1 Board]
> Tested-by: Luca Ceresoli <luca.ceresoli@bootlin.com>

Thanks for reconfirming. Looks like Georgi has picked these up for
6.3-rc now.

Johan